BillButlerResume.docVIP

William N. Butler 1304 Breanna Way Coppell, Texas 75019 (972) 304-0545 bbutler@ Principal Embedded Firmware Engineer – Team Lead Experienced team lead and individual contributor for low-level embedded firmware, and middleware. Have worked on analog, digital and mixed signal designs. Specialize in custom board bring up to support an OS such as embedded Linux or non-OS bare-metal applications. Led small teams of engineers in multiple project using Agile methodologies. TECHNICAL SUMMARY: Hardware: Arm9, MCF5xxx, MCP860, MC68xxx, TI DSP 320C240, 320C54CST, 320C5402, 320C5502, 320C64x+, ADSP2185, 8051, 68HC812, IBM PC/x86 and Compatibles, HP730, Sun, Sparc, DEC6xxx, 8xxx, 11/750, 11/785, GPIB-488, MIL-STD-1553 Operating System: LINUX, RTEMS, PSOS, DspBios, Windows 9x/NT/2K/XP, UNIX, VRTX, USX, Nucleus, OS2/WARP, MS/DOS 6.2, VMS Languages: C, C++, MC68xxx/TI/8051 Assembly, Windows SDK, ZAPP, MFC, OWL, YACC, MEWEL, PASCAL, FORTRAN, Visual Basic. Design Tools: Evergreen Case Tools, CADRE Case Tools Debugging Tools: Single Step ICE, TI Debuggers, GDB, HP 7400 series ICE, Tektronics and HP Oscilloscope, Tektronics Logic Analyzer (Prism 3000, DAS), CADRE in-circuit emulator, HP4951a Protocol Analyzer, IO-Tech 488 Analyzer. Professional Employment September, 2002 to Present Estech systems Inc, Plano, TX Principal Software Engineer- Firmware Team Lead Responsible for architecture, design, development, and testing of real-time, embedded code for a market leader in telephony equipment utilizing TDM and VoIP technologies. A lead developer on multiple projects integrating Timesys Linux on an ARM9 with direct interface to a TI64xx. Extensive experience with Motorola/Freescale MCF52xx, MCF5407; TI TMS320C5402, TMS320C5502; TMS320C64x+; and ADSP-2185 processors using C/C++ and assembly. Responsible for low-level board bring- up, including drivers for flash, SDRAM, network chips, RTC, Compact Flash, IC2, and T1 Framers. Ported