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TinyFPGA Programmer

A convenient and inexpensive USB JTAG programmer for TinyFPGA A1 and A2 boards.


The TinyFPGA Programmer slots onto the JTAG pins of the A-series FPGA boards.


Using the TinyFPGA Programmer Application you can program .jed files generated by Lattice Diamond.

Price $18.00

Member price $16.00

In Stock

This item expected shipping time is 5 days.

Details

The TinyFPGA Programmer is a very simple USB-JTAG bridge designed to program bitstreams onto the JTAG pins of the TinyFPGA A1 and A2 boards.

It uses a PIC16F1455 USB microcontroller allowing the programmer hardware to be cheap.

Using the TinyFPGA Programmer Application you can program .jed files generated by Lattice Diamond.

Serial Protocol

The programmer firmware appears as a generic USB serial port when you connect it to a computer. GPIO pins on the programmer are controlled through this simple serial interface, encoded as 8-bit bytes with a command type field and data payload. The payload is typically a 6-bit bitmap representing the GPIO pins of the programmer. 

7:6 5 4 3 2 1 0
Command Type TMS TCK TDI TDO RC1 RC0

Commands

Opcode Command
0 Configure Input (1)/Output (0)
1 Extended Command (Unused)
2 Set Outputs to the given values
3 Set Outputs and Sample Inputs (byte)
SKU 18285

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