JTAG Pinouts and Connectors for PowerPC

This page contains details on PowerPC JTAG Connector Pinouts. These Pinouts can be used to interface a JTAG ICE or Boundary Scan test Device to your PowerPC board

PowerPC 52XX, 74XX, 7XX, 82XX, 83XX, 85XX JTAG
Pin Signal Name
1 1  TDO
JTAG Test Data Out
2 2 Not Used (QACK -7XX only)
3 3 TDI
JTAG Test Data In
4 4 TRST
JTAG Test Reset
5 5  Not used
6 6 Vcc Target
1.8 – 5.0V:
This is the target reference voltage.
7 7 TCL Clock
8 8 CHK_STP_IN
9 9 TMS
JTAG Test Mode Select
10 10 Not Used
11 11 /SRESET
12 12 Not Used
13 13 /HRESET
14 14 Not Used
15 15 CHK_STP_OUT
16 16 GROUND
System Ground
PowerPC 4XX JTAG
Pin Signal name
1 TDO
JTAG Test Data Out
2 2 Not Used
3 TDI
JTAG Test Data In
4 4 /TRST
JTAG Test Reset
5 5 Not used
6 6 Vcc Target
1.8 – 5.0V:
This is the target reference voltage.
7 7 TCK
JTAG Test Clock
8 8 Not Used
9 9 TMS
JTAG Test Mode Select
10 10 Not Used
11 11 /SYS_HALT
12 12 Not Used
13 13 Not Used
14 14 Not Used
15 15 Not Used
16 16 GROUND
System Ground

Please visit our JTAG pinout and Connector page for additional information.

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