JTAG interface:
Wiggler
MiniPCB version:
Get
the Mini-PCB file for
FidoCAD
.
Get
the PCB file for
FidoCAD
.
Components list:
C1 = 200 nF ceramic
C2 = 4.7 µF - 10 V. electrolitic
R1 = 50 Ω ¼ w
R2 = 50 Ω ¼ w
R3 = 50 Ω ¼ w
R4 = 50 Ω ¼ w
R5 = 50 Ω ¼ w
R6 = 50 Ω ¼ w
R7 = 10 KΩ ¼ w
R8 = 47 KΩ ¼ w
Q1 = BC337
IC1 = M74HC244B1
If you feel lucky, you may try this one....
The "Very Poor Man" JTAG...
Components list:
R1 = 100 Ω ¼ w
R2 = 100 Ω ¼ w
R3 = 100 Ω ¼ w
R4 = 100 Ω ¼ w
R5 = 100 Ω ¼ w
R6 = 47 KΩ ¼ w
R7 = 10 KΩ ¼ w
R8 = 100 Ω ¼ w
Q1 = BC337
Xilinx
Components list:
R1 = 100 Ω ¼ w
R2 = 100 Ω ¼ w
R3 = 100 Ω ¼ w
R4 = 100 Ω ¼ w
R5 = 100 Ω ¼ w
modem/router JTag pin:
1 - TRST
2 - TDI
3 - TDO
4 - TMS
5 - TCK
6 - RESET
7 - nc
14 - GND
13 - GND
12 - GND
11 - GND
10 - GND
9 - Key
8 - Vcc