logic-pmod

Description

Logic level shifter with Digilent Pmod™ interface for use as logic analyzer.

• 8 fixed direction, length tuned, level shifting channels
• Up/down translation from 1.8V, 2.5V, 5V to 3.3V
• Bus Pirate probe cable compatible 10-pin connector

Contents

File	Description
logic-pmod.pdf	Schematic in PDF format
logic-pmod.csv	BOM in CSV format
logic-pmod.png	PCB 3D render
logic-pmod.kicad_pro	KiCad 8.0.0 project
logic-pmod.kicad_pcb	KiCad 8.0.0 PCB
logic-pmod.kicad_sch	KiCad 8.0.0 schematic

Probe Pinout

Pin	Color	Net
1	Brown	GND
2	Red	+3V3
3	Orange	CH5
4	Yellow	CH1
5	Green	CH6
6	Blue	CH2
7	Purple	CH7
8	Grey	CH3
9	White	CH8
10	Black	CH4

Further Reading

• FPGA Logic Analyzer and GUI ¹
• Small footprint and configurable embedded FPGA logic analyzer ²
• Integrated Logic Analyzer (ILA) ³

Footnotes

1. https://github.com/lekgolo167/enxor-logic-analyzer ↩

2. https://github.com/enjoy-digital/litescope ↩

3. https://www.xilinx.com/products/intellectual-property/ila.html ↩