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.