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Hardware Tools
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FPGA Based ASIC and PLD Development Board - Terbi-ECP2Mulator or "Terbi" (5" x 4")
Terbi was designed as a hardware emulation platform for ASIC design and development with WDC’s 65xx Technology.
Features of Terbi-ECP2Mulator
Download Terbi User Guide
Features of Terbi-ECP2Mulator
- Lattice ECP2M−50 FPGA with 48 kLUTs, 4147 kbit of Embedded Block RAM, 22 sysDSP™ blocks, 88 18x18 multipliers,10 PLLs, and 270 user I/O pins
- Lattice MachXO™ with 640 LUTs and 6.1 Kbit of RAM
- USB 2.0 connector and integrated ispDOWNLOAD® cable for JTAG programming the FPGA
- Flywire connector for programming using an ispDOWNLOAD cable (available separately from Lattice)
- USB 2.0 compatible host connectors for interfacing with WDC’s ProSDK Development Tools
- SATA interface with two LVDS signal pairs for high-speed data transfer
- Altera Santa Cruz compliant connectors (2 x 40) providing 46 lines of I/O Expansion
- 100−pin “MESA” connector compliant with T&MT USB PHY Standards
- 28−pin expansion header for I/O. Compatible with WDC’s Parallel IO Board
- LCD connector for character displays, with contrast potentiometer
- 38−pin MICTOR connector for high speed Logic Analyzer connection
- 25 MHz oscillator with clock distribution buffer
- 4−pin DIP half socket for user selected oscillator
- One HEX Rotary Switch
- Dual Character 7−segment Display
- 8 Activity LEDs
- 8 Test Points
- 4 Pushbutton switches for debug and user input
- Green LED to indicate the proper operation of the 3.3V and 2.5 V power supplies
- Blue LED which shows the configuration status (“DONE”)
- Red LED to signal that the FPGA can be configured (“INIT”)
- Yellow LED indicating the FPGA PROGRAM# I/O is asserted (“PROGRAM#”)
- Program key to initiate the configuration sequence of the FPGA from SPI Flash memory
- Reset key
- 5V power supply
- Switching regulator for the generation of the 3.3V I/O voltage and the 1.2Vcore voltage
- Robust power configuration with jumper selections to power board with either of the two USB ports or the DC input jack

Download Terbi User Guide
65xx Software Development Interface Board - ViaUSB (2" x 1")
WDC's Edu/ProSDK tools now support a USB interface for downloading application code to the target. This interface was developed to work with the W65C22S VIA and our GPIO RTL IP. Terbi comes with a built in USB interface using the FTDI FT245R USB FIFO IC and WDC's GPIO IP Module. For WDC's chip based devloper boards and other boards using a W65C22 VIA chip, WDC has created the ViaUSB Interface board. The ViaUSB has a with a 28-pin connector that mates with WDC's developer boards and APATCO's EB50 Single Board Computer. A cable can be made to go from your system and the ViaUSB. The ViaUSB board provides both a development interface to the Edu/ProSDK software and the ability to power the system board from the USB 5V supply. A reference design document has been created to explain the functionality of the ViaUSB board and how to get up and running with it and the Edu/ProSDK.

Download ViaUSB Reference Guide

Download ViaUSB Schematic
65xx Chip Based Development Boards (6" x 4")
WDC has four Chip Based Development boards. Click on the board below for more information. The design files for these boards are also available in the PCB Design Kit.

![]() W65C02DB The W65C02DB features the W65C02S – a low power, cost effective 8–bit microprocessor. |
![]() W65C816DB The W65C816DB features the W65C816S – a 16–bit microprocessor for extended memory addressing. |
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![]() W65C134DB The W65C134DB features the W65C134S microcontroller – a complete 8–bit computer. |
![]() W65C265DB The W65C265DB features the W65C265S microcomputer – a complete 16–bit computer developed for Hi–Rel applications and where minimum power is required. |
Xxcelr8r Board Schematics: |
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W65C02SXB | W65C816SXB | W65C134SXB | ||
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W65C265SXB | W65C816PXB |
W65C832PXB
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