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Electronics Engineer Design

Location:
Vasanth Nagar, Karnataka, India
Posted:
June 08, 2022

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Resume:

Mariappan Sundaram

Email: adrbtn@r.postjobfree.com

Mob: +91-638*******

PROFESSIONAL SUMMARY:

A passionate and hardworking professional with strong technical and excellent team building skills and is extremely adept at process orientation managing to create excellence in terms of comprehensiveness as well as quality for the given work product.

Experience in Development, Testing & Commissioning of Electricals, and Electronics systems with over 20 years’ experience in embedded systems using different Microcontrollers, ARM processors and FPGAs. Experience with Microcontroller based hardware design from schematics design, PCB Layout design, Board testing, Software, and firmware developments. A dynamic and focused professional with experience in Hardware & Software Development, Technical Consulting, Client Relationship Management and Team Management, effective Communication and Presentation skills with excellent relationship management, analytical, logical, and problem-solving abilities.

AREAS OF EXPOSURE:

Involved in the requirement collation, analysis, design, configuration, testing, troubleshooting, and debugging of technical Work Products and enhancements. Technical Consulting

Familiar in 32-bit ARM processor family like Intel, TI, NXP family LPC1768, LPC1769, EM773, EM783, MBED controller, M2510 Wi-Fi controller, STM32 family, NXP-S32K148, Redpine-RS9116&RS9117, Freescale I. Max6 QUAD processor, DDR3, DDR4 and its related memory mapping. Familiar with INTEL8051 family Microcontrollers like 80C552, 803552 etc. and ADUC836 family. Designing and programming of Flash Microcontrollers like ATMEL 89C51, 89C2051, ADUC836, 837,841, 847 and its family.

Worked in Motorola MC68H11F1 and its family and Microchip’s PIC16F684, 32-bit power PC

(SPC560B50).

Programming knowledge in ATMEL- FPGA/AVR family of FPSLIC processors (AT94K05, AT94K10). Programming in SoC, XILINX FPGA and CPLDs - family (Zync7,7000, Ultra, Ultra Plus, XC2V500-5-FG456, XC95288XL-7-PQ208, XCS20-PQ208) and its related High speed board design and problem solving (Signal Integrity, Post simulation). Worked in XILINX - VIVADO, FOUNDATION SERIES, XILINX ISE-PROJECT NAVIGATOR, ModelSim XE III/ V6.0a. Knowledge of SA-PRO, Keil-C, ARM-Keil5(MDK5), Linux based GCC, NI-LAB WINDOWS/CVI (MEASUREMENT STUDIO VERSION 6.0), LABVIEW, Mentor Graphics, Hyper Lynx, Mathcad, VHDL, Verilog, VISUAL BASIC, C#. Worked in Different IO interfaces like RS232, RS485 (Modbus ASCII, RTU) I2C, I2S, CAN, Single Wire CAN, SPI, 4pin JTAG protocol, USB, wireless interfacing such Infrared interface, Bluetooth, Wi-Fi, ETHERNET.

Experience in M.2, HDMI, SATA, PCIe, eMMC, HD Audio/DMIC, PMIC Interfaces. Complete working knowledge of EMI, EMC, ESD, High Voltage and Environmental testing standards for CE marking of FCC and CISPR standards, PCB routing and design, Cadence-ORCAD, PCAD, PROTEL, Easy-PC, MENTOR GRAPHICS (PADSPro), AutoCAD, pSPICE. Experience in Testing and Commissioning in Electricals and Electronics sub systems for building management.

Worked in Quality system as CMMI level 5 for Embedded based projects, MS Project, CVS, Mantis, MS Visio, MKS, Automotive-DOORS, Automotive SPICE, SVN-Tortoise, JIRA Issue Tracking and ISO 9001:2015, ISO 13485:2003, AS 9100D standards.

High speed board design and hardware troubleshooting and problem solving (such Signal Integrity, Crosstalk, Ground Bounce, Signal Undershoot, Overshoot) Experience in Testing and Commissioning in Electricals and Electronics.

Created Technical documentation during different phases of the technical development to achieve process excellence and identify reusable components to reduce cycle time and costs for similar development in future.

Involved in end-to-end project life cycle, starting from initiating the kick-off meetings, Knowledge Transition, documentation, support levels, effort estimates, coordination with the client team to ensure quality of deliverables.

Excellent interpersonal and analytical skills with strong ability to communicate effectively. Highly motivated team player capable to work with same merit in small as well as large teams. Worked in implementation and support projects.

Worked as Project Quality Analyst and day to day work involved working with users to troubleshoot production support issues, customize, create, and enhance their business processes. Client Relationship Management

Developing relationships with key decision-makers in client organizations for better understanding and analysis of requirements.

Interfacing with the clients for consulting the most viable services and cultivating relations with them for securing repeated business.

Coordinating with different cross functional teams for effectively achieving project and business targets. TECHNICAL PROFICIENCY:

Tools : Microchip’s MPLAB 7.5.2, Source Boost 6.70, MS Project 2003, MS Visio 2003, CV1.8.13 and Mantis. Rhapsody 6.1 Tool used during the design phase for generating Use Case, Object Model Diagrams, Sequence Diagrams and State chart Diagrams, HCS12 Evaluation Board, P & E BDM Multilink, Freescale CodeWarrior IDE (version: 5.7.0), XILINX VIVADO, FOUNDATION SERIES (F4.1i), XILINX PROJECT NAVIGATOR (ISE VERSION 7.1i), ModelSim XE III/ V6.0a, ORCAD capture (9.10), SA PRO, NI-LAB WINDOWS/CVI (MEASUREMENT STUDIO VERSION 6.0). uVision2V2.06 C Compiler by Keil Software (ARM Keil5). CodeVisionAVR C Compiler, Micro Series 6801 Assembler V2.00, Micro Series Universal Linker V4.46L/DXT by IAR System. PROCOMM Shareware Version 2.4.2 by DATASTORM Technologies INC.V1.0.2.0., System Designer V2.1.8051 Cross-Assembler version 1.2H by Metal link Corporation, MS-DOS C51 COMPILER V3.20 by Franklin Software, INC.

Development Environment : Motorola's ICS05JW In Circuit Simulator Windows Integrated Development Environment including Editor, Assembler and Assembly source level debugger/Simulator CASM05W Assembler Interface ICS05JW debugging tools.Motorola's ICS05PW In Circuit Simulator Windows Integrated Development Environment CASM05W Assembler Interface ICS05PW debugging tools / OTP Programmer. Operating System : Windows '95, '98, 2000, 7, 8, 10, Windows NT (4.0), XP, LINUX PROFESSIONAL EXPERIENCE:

METTLESEMI SYSTEMS & TECHNOLOGIES PVT LTD–BANGALORE–INDIA Sep. 2021 – Till date

Senior Principal Hardware Design Engineer

Mettlesemi is focused on SoC (System on Chip), FPGA, ASIC, Embedded Systems product and solutions in Semiconductor and Embedded Systems Industry.

Automotive T-Box Unit:

As a Senior Engineer, I have to design and Implement, NXP S32K148 Automotive ARM- M4 controller based Automotive-TBox Unit, to use all latest advanced automotive features with CAN controls using LIN, USB -Open SDA, ETHERNETs, WIFI’s, PWMs, (input and output), SBC (various inbuilt voltage generation and its controls), External Storage -QSPI, I2C, SPI, JTAG. Various standard Automotive diagnostics protocols Software’s and all its peripheral controls software’s, driver’s implementation using S32 Design Studio Software Tools. GLOBAL EDGE SOFTWARE LTD – BANGALORE – INDIA Feb. 2021 – Aug. 2021

Senior Technical Lead

Global Edge Software is a product engineering company that has been in the business of embedded software solutions and technologies. It delivers customized and rigorously tested solutions in five key industry verticals as Semiconductors, Automotive, Consumer Electronics, Telecommunications, and Industrial Automation. They give customers the competitive edge and provide across-the-board services that include product design and development, testing, validation, and certification.

Client: Silicon Labs Inc (SILABS).

I worked in STM32 - ARM Controller and 64-bit controller combined SoC chip for Wi-Fi based single chip solution

(Client: Silicon Labs Inc.) and its development using ARM Keil, GCC -Compiler, Xilinx VIRTEX based Simulation Environment using Linux and Windows based logic and patterns development, various Simulations (Hardware, C based Software etc.) and its related problem solving’s. KRYPTON SOLUTIONS PVT. LTD – BANGALORE – INDIA Nov. 2019 – Sep.2020

Senior Technical Lead

Krypton Solutions provides full-service design, rapid prototyping, and low/medium volume turn-key contract manufacturing services. Krypton provides innovative solutions to major customers (Intel, TI, Broadcom etc.) in the semiconductor, medical, defense/security/aerospace, energy, telecommunications, and industrial market segments. I worked in INTEL SoC (GEMINI LAKE - Vertigo Canyon) based on a complete Advanced Laptop development project. In this I involved complete hardware design and development of INTEL-SoC (64 bit), LPDDR4 and DDR4 memory of 2 channels, HDMI Video Interface, PCIe, SATA, CNVi, LAN, WAN Interface, USB 3.0x4, USB2.0x2 interface, Audio (MIC In, Speaker Out) -I2S interface, SPI based ROM, PMIC based power supply interface and its related PCB and high-speed boards problem solving. Follow the ISO 9001, AS9100D, ISO13485 etc. certified standards.

COLLABERA TECHNOLOGIES LTD. – INDIA Jan. 2019 – Oct.2019 Senior Engineer

COLLABERA is the largest privately held technology company and provides professional recruiting, staffing, consulting, and business services to companies worldwide. Client: HCL TECHNOLOGIES LTD. – CHENNAI - INDIA

HCL TECHNOLOGY - KLA TENCOR an integrated portfolio of products, solutions, services, Digital, IoT, Cloud, Automation, Cybersecurity, Analytics, Infrastructure Management and Engineering Services. KLA has advanced process control and process enabling solutions that support integrated circuit manufacturing. I worked in KLA’s comprehensive portfolio of defect inspection, review, metrology, patterning simulation, in situ process monitoring and data analytics systems, IC reliability throughout the chip fabrication process - from hardware research and development to final Inspection and range of chip manufacturing process steps. IC manufacturers use KLA's array of products and solutions to accelerate their development and production ramp cycles, to achieve higher semiconductor die yield and improved IC quality, and to improve overall profitability in the IC manufacturing process. FZB TECHNOLOGY Inc., Plymouth, MI - USA. Mar. 2016 – Oct. 2017 Senior Test and Validation Engineer

FZB Technology is in Research and Development, Prototyping and Marketing for Electro-Hydraulic Power Steering

(EHPS) pumps, Electrical Oil pumps (EOP) and Electrical Cooling/Water pumps (ECP/EWP), system solutions to Automotive OEMs. FZB Technology specializes in passive entry passive start (PEPS) ECUs, smart brushless motor products and other body-electronics products in Automotive. I worked in Electrohydraulic Power Steering (EHPS) Test and Validation which boosts hydraulic power supplied to the power steering systems with an electrical motor and maintains the reliability of the traditional hydraulic power steering systems. By providing power only as required by the driving conditions, it conserves energy, reduces emission, and fits any vehicle: passenger automobiles, trucks, off-road vehicles, hybrid vehicles and pure electric vehicles.

MILLENNIUM SOFTWARE CONSULTING LLC, VA – USA. Oct. 2014 – Feb.2016 Senior Electronics Engineer

Client: HARMAN INTERNATIONAL, Farmington Hills, MI – USA. Worked as Senior Electronics Engineer from Oct. 2015 – April 2016 HARMAN is Embedded infotainment solutions that offer complete information, entertainment, and communications capabilities. 3D and augmented navigation, multimedia support and smart apps for device integration, high speed connectivity, intuitive and multi-modal user interfaces and a new generation of Automotive cloud services. Its services solutions across design, mobility, cloud, and analytics. Client: TAKATA CORPORATION, Auburn Hills, MI – USA. Worked as Senior Electronics Engineer from May 2015 – Aug.2015 TAKATA is in Automotive to develop seat belts, airbags, and its related safety products. Takata uses computational crash simulation and dynamic crash testing for safety system development. In addition, Takata’s facilities include sled testing that can simulate the impact of collisions. Takata’s R&D, rooted in expertise in occupant safety, are supported by the latest facilities and technologies. I involved in high-speed hardware and its logic development of Driver Monitoring System ECU (Electronics Control Unit) Board development using Zynq FPGA(XC7Z010), Freescale IMX6 Quad Cortex processor(1GHZ), Power processor (SPC560B50L5) with supporting development tools (Mentor Graphics, Mathcad, Hyper Lynx, DOORS, CAN Tools, Tortoise SVN monitoring tool (include JIRA and it’s related all Automotive standard and EMC, EMI testing)

Client: TRW AUTOMOTIVE, Livonia, MI – USA.

Worked as Senior Electronics Engineer from Oct. 2014 – April 2015 TRW Automotive is a primary developer and producer of active and passive safety systems and ranks among the world’s leading automotive suppliers. It is one of the largest suppliers in the Automotive industry and provides many drivers assist and semi-automated functions, such as adaptive cruise control, lane keeping assist, blind spot detection, lane change assist, emergency steering assist, and emergency brake assist and collision mitigating. As a Senior Electronics Engineer I involved in hardware, firmware development & testing of advanced Electronics Braking Systems in Automotive domain and follow all MKS, DOORS standard for Embedded and FPGA, custom ASIC based hardware, software design, development, simulation, and all testing (like High Voltage Test, Chamber Test, EMI, EMC test, Cranking test etc.) TESTEK Inc, MI - USA. Nov. 2013 – Aug 2014

Electronics Project Engineer

Testek Inc is an ATE solution provider for the Aerospace and Automotive industry. 320353C-Universal Frequency to Voltage Board:

I designed a two channels Frequency to Voltage mixed signal board, which have inputs of 25 Vrms to 500Vrms, 24V sensor input,12Vrms board calibration input selection and output of same input frequency with TTL isolated power supply output, each channel have various different 7 set of frequency range(such 125HZ, 250HZ, 500HZ, 1KHZ, 5KHZ, 10KHZ, 50KHZ) for low input RPM measurement and high speed requirement with single F to V

-IC(TC9401) and using High precision high gain op-amp using single passive resistor for up to 1000times precise gain selection, possible to output final DC output voltage either up to 5VDC or 10VDC of maximum range of each input frequency range. The board has enough power supply rectification (include DC to DC converter) facility to work from only external 24VDC input from the outside world (LOAD BANK). Also, design requires Integrator design which will take all kinds of input frequency (sine, square, ramp) and convert TTL square output with complementary outputs for board internal usage up to support 100KHZ with equal time period. Based on different speed and accuracy requirements this board will use for all Aerospace and its related load bank design and testing. I also designed a 4-layer PCB board using Easy PC software and AutoCAD.

320391C-Four Channel Sine wave Generator LVDT Board: I designed to Generate accurate sine wave and cosine wave and test with high voltage and high current driving using both Transistor (NPN-PNP pair), MOSFET pair and filtering to get final sine wave output 50HZ to 10KHZ with 50 VRMS and 15A output which will require to apply input of LVDT portion. The Mixed board has 4channel sine wave output. Single channel logic is designed and tested up to the output of final required outputs. BALCON ELECTRONICS. Aug. 2011 – May 2013

Senior Electronics Engineer

Client: Aqua MW LLP, Cambridge

Worked as Field Device Engineer (Developer Embedded Systems) from Apr. 2012 – May 2013 AquaMW (now IntelliSense.io) is a developer of intelligent infrastructure solution providers with their Smart Sense and Smart Meter devices and Data analytics and reporting engine on the Cloud. The hardware devices Smart Sense is used for measuring different sensors like Pressure, Temperature, Vibration, and the Smart Meter is for 3phase Electrical Power measurement. Both the devices connect to a Wireless Gateway using Mesh network for sending data over a proprietary 2.4GHz Wireless protocol and the wireless Gateway is connected to the Cloud platform. My role was to productize the two hardware prototypes which include Bill of Material (BOM) creation, Layout design, Enclosure customization, Vendor development for custom parts, Component procurement Manufacturing and Test the product and send it for deployment in the field and Field implementation at a local site. Client: DATAWIND Inc., Montreal, Quebec - Canada.

Worked as Senior Hardware Engineer (Developer Embedded Systems) from Sep. 2011 – Mar 2012 Datawind is a leading developer of wireless web access products and services. Datawind has developed and offers a series of wireless web access devices and the related web delivery platform. The products are offered by the world's largest national level stores and most prestigious Cellular distributors. In my role as Senior Embedded Hardware engineer, I involved in the hardware logic

(include Firmware) development & testing of Wireless product and Mobile product using (32bit wide data) ARM- RISC Processors and high speed and high density NAND type(Flash, SRAM) memory interfacing, Camera Image processing with in build DSP, DMA interfacing, wireless interfacing (Bluetooth, Wi-Fi, GPRS, CDMA, MODEM, ANTENNA), Touch Screen interfacing, GPIO interfacing including required all power supplies and its related electronics problem solving.

NCC & Rezayat Company Limited., KSA Nov. 2009 – May. 2011 Electrical & Electronics Engineer

Client: Royal Commission for Jubail and Yanbu, SABIC in Kingdom of Saudi Arabia: As an Electrical and Electronics Engineer, I am involved in Design and Implementation of Building Management Systems for Industrial Buildings to control Products like LAN/WAN Switches, Fire Safety systems, Telephone systems and HVAC controls. I was involved in Estimation, Proposal preparation and implementation of these systems including Testing and Integration and its related technical problem solving in some of the systems. Panel Board and BMS control Unit:

As a Software Engineer to control Building Management System control unit software design and controls attached supporting units and peripherals. I designed Electrical and Electronics various breaker range voltage and current rating for both single phase and three phase AC inputs and its related complete Panel board design in Construction domain.

Perfint Engineering Services Pvt. Ltd., Chennai -India. Dec. 2008 – Sep.2009 Senior Hardware Design Engineer

Perfint Engineering Services is in development and manufacturing of Medical Instruments and Equipment for Medical Biopsy. Some of the products carry CE markings and are registered with the FDA of the USA. Biopsy Unit: This Unit is used for the medical domain to focus on the Biopsy domain. As a Senior Hardware Engineer, I involved in the hardware logic, Firmware/Software development & testing of Medical equipment product using Analog Device High speed Flash Microcontrollers with hardware electronics interfacing used for 3 axis (X,Y,Z)movement via stepper motor controls thro’ PWM, ADC, DAC control, two dimensional foot switch interfacing and SMPS (Buck, Boost, Fly-Back types) power supply interfacing and related problem solving of Signal Integrity, Ground Bounce, Cross Talk, Shielding interfacing and PCB working for EMI, EMC certifications and client coordination.

EmSyS Unit, L & T Limited., Mumbai-400 072 -India. April 2007 – Nov 2008 Senior Systems Engineer

EmSyS, a Strategic Business Unit of Larsen & Toubro Limited (L&T) with CMMI level 5, is a leading Embedded software / firmware and hardware development and provides complete Embedded System Solutions. As a Senior Systems Engineer I am involved in the hardware development & testing of semiconductor electronics product used for Industrial Automation and Automotive domains and follow CMMI level 5 standard for Embedded and FPGA based hardware development and testing (like High Voltage Test, Chamber Test, EMI, EMC test.)

Project: INTELLIGENT TEMPERATURE SENSOR

Focus: Room Temperature Monitoring Systems in Industrial Automation Client: Kieback & Peter GmbH, Germany

This project is to design and develop an Intelligent Temperature Sensor replacing the existing Analog Sensor LM335 to eliminate the cable attenuation in the system. The new Sensor was to have the same characteristics as the old sensor. The Intelligent Temperature Sensor was to have provision to eliminate the cable attenuation in the system. The Sensor senses the change in input current from 1 mA

10 % to 5 mA 10% and switches to calibration mode. This total system works with very less power consumption which is derived from an 1mA input current and provides output voltages corresponding to temperature variations in the same power input line.

Tools Used: PIC16F684 family Microcontroller with Microchip’s MPLAB 7.5.2, Source Boost 6.70, MS Project 2003, MS Visio 2003, CVS 1.8.13 and Mantis.

Project: Automotive Body Control System

Focus: Automotive

Client: L & T EmSyS, Mumbai

This project is to design and develop the body control module for automatic wiper control and washer control module system with Auto Rain sensing in the cars focus in Automotive. The project was used to automatically control the Wiper speed to increase the driver comfort. This was achieved by monitoring rain intensity using Infrared sensors and speed of the vehicle and water level inside the reservoir and controlling the washer motor. The project uses a 16bit MC9S12DP256 Microcontroller based hardware and software controls.

Qmax Test Equipment’s Pvt. Ltd., Chennai-119 -India. April 2005 –March 2007 Hardware Design Engineer

Qmax is involved in designing and developing test equipment (ATE) for semi-con industry and board functional testers. It is an ISO 9001 certified design, development, and manufacturing facility. Nature of job:

As a Hardware engineer I am involved in the hardware logic development & testing of Test equipment products using (32bit wide data) Xilinx family (CPLD, FPGAs) with schematic entry of designs, with the help of supporting software.

Project: ATE QT2256

ATE QT2256 system is designed as a Combination Board Tester .It can perform Board Level Functional test through edge connectors of a PCB, with guided probe diagnostics utility to reliably repair Digital / Analog and Mixed Signal PCBs of various complexities and also has the capacity to be an In-Circuit Device / cluster tester when Back Driving Pin Driver options are installed and interfaced to the UUT (Unit Under Test) either through clips / probes or nail bed. It is a modular design with upgrade options. The basic system comes with 320 Digital channels, 8 Flying channels and 4 Analog channels. A 1:8 Mux option is available so that the 320 Digital Channels and 4 Analog Channels (PMU) can test up to 2560 Test points. This option is useful in production tests of PCBs using a bed of nail interface. Optional hardware and software packages can be used to measure timing or A/c parametric Test. The capabilities can be further enhanced with optional IEEE instrumentation and control through Test Director II software. Analog Highways and relay matrix modules are used in routing the test pin to either internal stimulus/measurement modules or IEEE external modules. ATE is interfaced to an external Host PC using a 32 bit - 33MHz PCI interface card allowing a maximum data transfer rate of 132 Megabytes per second. The heart of the system is a FPGA (XILINX (VIRTEX) XC2V500 family) based highly programmable dedicated test vector processor with Digital Clock Management System of 400MHZ. TELETHERM INSTRUMENT CO PVT LTD, Chennai -87, India. July 2004 – March 2005

Senior Technical Consultant

TELETHERM INSTRUMENT, Major supplier of reliable industrial measurement and control Instrumentation products with highest level of technical expertise in association with ACTION INSTRUMENTS, USA, PENNY & Giles Instrumentation Ltd UK and So on.

Nature of job:

Involved in the development of Intel 8051family, ADuC836 family-based Temperature status monitoring equipment development for focus of Instrumentation field. As a firmware engineer, I was involved in the firmware development & testing of Instrumentation products and also guided three Engineers. Projects Experience:

Microcontroller based TEMPERATURE TRANSMITTER

Microcontroller Based DIFFERENTIAL TEMPERATURE TRANSMITTER Microcontroller Based UNIVERSAL TEMPERATURE TRANSMITTER Microcontroller based FLOW METER

Clients: In India all nuclear power plants, Thermal power stations, Bharat Heavy Electricals Limited (BHEL) Overview:

Involved in the hardware and firmware development of all the universal different ranges temperature control and monitoring in Instrumentation field of above different projects using Analog devices ADUC836, ATMEL 89C52 based hardware and assembly language, Embedded Keil C based firmware development. Using accessory hardware measure the different range of single temperature control and differential temperature controls using all the Universal temperature sensors combinations of different thermocouples, Thermistors, RTD, (4-20) mA current, DC voltages (5V,12V). The required output is displayed using different seven segment display options, LCD panels and the Units has been easily calibrated /simulated with required accuracy using different input options of keyboard, DC Voltages, Rheostats, (4-20) mA current. The Units have provision to communicate with the central unit with RS232, RS485 (MODBUS protocol - both ASCII, RTU mode) support to output the result to central Unit and have individual display option, (4-20) mA current and DC Voltages output option.

Using an ADUC836 microcontroller, it is possible to calibrate and give better accuracy at outputs using four, two pairs of 16-bit ADCs with gain programmable, initial offsets, filtering options and different Universal Temperature input selection. Able to give two 200uA current output for RTD detection, Sensor presentation detection using two burn out current outputs, able to generate required accurate (4-20) mA current, different voltage outputs using Microcontroller inbuilt 12bit DACs, PWMs. More amounts of data can be logged and sent back to the Central unit using 62 Kbytes of FLASH memory online programming option and online main program update in the field, able to create different communication Baud rates using programmable PLL and dedicated clocks. Using more I/O pins can directly connect the output world easily to LCD, seven segment LEDs, keyboards, and others. The Units can auto recover from system hang up using Watchdog timer facility and easily pass all FCC and CISPR testing standards and different chamber burning tests for CE marking. Adithya Medical Systems (P) Ltd., Chennai-600015, India. Mar.2002 – June2004 Senior R & D Engineer

Nature of job:

I am involved in the development of Intel 8051 and AVR family based medical equipment development for the focus of Ophthalmic field. As a firmware engineer, I am involved in the firmware development & testing of medical products and in the testing software development for Medical Products in C language.

Microcontroller-FPGA Based BI-POLAR, IO Units:

This unit is used in the medical field for the focus of OPHTHALMIC used for blood clotting. This unit is used for blood clotting at various speeds. Depending upon the speed setting and sense of the foot control, it generates the cautery power. This system was developed using the INTEL8051, AVR Microcontrollers and FPGAs. (AT94K05 series)

Tools: Code Vision C, Keil C, System Designer -for FPGAs NeST - R&D Centre, Cochin – 682030, India. Dec.1999 – Feb.2002 Project Engineer-II

Nature of job:

Involved in the development of Motorola 68HC11 based RF communication products. As a firmware engineer, I am involved in the firmware development & testing of high-end RF communication products and involved in the testing software development for the RF Communication and Networking Products in Assembly language.

Project : Communication Control Module (CCM)

Focus : Cable TV Network Monitoring Systems

Client : Scientific Atlanta Inc USA

Project Team for AM Communications Inc USA

Overview: It is basically a Transponder, which collects and transmits various parameters of a cable TV Network node. The transponder communicates with the central office through RF channels. The project includes algorithm and Firmware development. CCM is a head end equipment with a 68HC11 controller which can talk to a maximum of 8 slaves (called SAM) and is controlled with a Master Control Unit (MCU). In the whole setup the CCM acts as a master with utmost 8 SAMS connect to it. The CCM is a unit capable of communicating with Master control Unit via either RF or RS485 mode and with the slaves using synchronous serial communication (Using SPI bus). Project Responsibilities:

Developed the firmware for the CCM which accepts any requests from the MCU and depending on the request CCM sends necessary commands to acquire the data from the slave module (which is SAM) and send the results back to the MCU or keep it if MCU is busy. Project : Serial Access Module (SAM)

Client : Scientific Atlanta Inc USA

Project Team for AM Communications Inc USA

Overview:

SAM is head end equipment with a 68HC11 controller, which can talk to a maximum of 32 slaves and is controlled with a Communication Control Module (CCM). The CCM is a unit capable of communicating with Master control Unit via the RF or RS485. In the whole setup the CCM acts as a master with utmost 8 SAMS connected to it and SAM which in turn is a master to the slaves connected to it .The SAM module talks with the CCM using the synchronous serial interrupts and with the slaves using synchronous serial



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