This document shows a circuit diagram for a device with JTAG interface pins including TDI, TMS, TCK, TDO, and a reset pin. The circuit uses resistors and capacitors to connect the JTAG pins to a microcontroller chip and includes jumper pins for selecting the reset mode.

1. 1 2 3 4
VCC
VCC
D C3 D
C2 +
104 47U JP3
1 2
GND
JP1 3 4
TDI-0
5 6
1 TMS-0
7 8
14 100 TCK-0
R5 9 10
2 RST TDO-0 NRESET
11 12
15 100
R4 13 14
3 TMS U1
16 100 2 18 TDO JTAG
R3 1A1 1Y1
4 TCK 4 16 100
1A2 1Y2 R9
17 100 6 14 TDO-0
R2 1A3 1Y3
5 TDI 8 12
1A4 1Y4
18 100
6 RST 11 9 244TDI-1 R8 TDI-0
2A1 2Y1
19 TMS 13 7 244TMS-1 100
2A2 2Y2 R7
7 TCK 15 5 244TCK-1 244TMS-1 TMS-0
2A3 2Y3
C 20 TDI 17 3 244TDI-1 100 C
2A4 2Y4 R6
8 244TCK-1 TCK-0
21 1
1G
9 19 VCC
2G
22
10 74HC244
23 100
11 R1 TDO R12 JP2 JP5
24 10K RESET SELECT RST JUMPER
12
1
2
1
2
25
13
NTRST NTRST NRESET
DB25 R11
10K
VCC
Q1
VCC 9013
B JP4 B
R10 1 2
NTRST
10K 3 4
TDI-0
R13 5 6
TMS-0
1K 7 8
TCK-0
9 10
GND
11 12
TDO-0
13 14
NRESET
15 16
17 18
19 20
D1 HEADER 10X2
POWER
Title
A A
Size Number Revision
A
Date: 11-Nov-2005 Sheet of
File: C:Documents and Settingspg04270686DesktopWIGGLERWIGGLERWIGGLE.DDB
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