Chapter 5 Pin Assignments

Processor COP Header (J25)

There is one standard 16-pin header that provides access to the COP function. The pin assignments for this header are as follows:

Table 5-18. Processor COP Header (J25) Pin Assignments

Pin

Signal

Signal

Pin

1

CPU_TDO

No Connect

2

 

 

 

 

3

CPU_TDI

CPU_TRST_L

4

 

 

 

 

5

Pullup

CPU_VIO (+3.3V)

6

 

 

 

 

7

CPU_TCK

CPU_CKSTPI_L

8

 

 

 

 

9

CPU_TMS

No Connect

10

 

 

 

 

11

CPU_SRST_L

GND (optional pull-down)

12

 

 

 

 

13

CPU_HRST_L

KEY (no pin)

14

 

 

 

 

15

CPU_CKSTPO_L

GND

16

 

 

 

 

Note Pin 6 +3.3V has a resettable fuse and can supply up to 0.5A to power I/O buffers in the COP controller.

64MVME3100 Installation and Use (V3100A/IH1)

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Motorola MVME3100 manual Processor COP Header J25 Pin Assignments