1

Board Description and Memory Maps

Z8536 CIO Port Pins

The following table shows the signal function and port mapping for the Z8536 CIO emulation. The signal directions are fixed in hardware.

Table 1-21. Z8536 CIO Port Pin Assignments

Port

Signal

Direction

Descriptions

Pin

Name

 

 

 

 

 

 

PA0

 

I/O

Not used

 

 

 

 

PA1

 

I/O

Not used

 

 

 

 

PA2

 

I/O

Not used

 

 

 

 

PA3

 

I/O

Not used

 

 

 

 

PA4

 

I/O

Not used

 

 

 

 

PA5

 

I/O

Not used

 

 

 

 

PA6

BRDFAIL

Output

Board Fail: When set, will illuminate BFL LED.

 

 

 

 

PA7

 

I/O

Not used

 

 

 

 

PB0

 

I/O

Not used

 

 

 

 

PB1

 

I/O

Not used

 

 

 

 

PB2

 

I/O

Not used

 

 

 

 

PB3

 

I/O

Not used

 

 

 

 

PB4

 

I/O

Not used

 

 

 

 

PB5

 

I/O

Not used

 

 

 

 

PB6

 

I/O

Not used

 

 

 

 

PB7

ABORT_

Input

Status of ABORT# signal

 

 

 

 

PC0

 

I/O

Not used

 

 

 

 

PC1

 

I/O

Not used

 

 

 

 

1-44

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Motorola MVME2300 Series manual Z8536 CIO Port Pins, 21. Z8536 CIO Port Pin Assignments