Table 3-9. Z8536 CIO Port Pins Assignment

Chapter 3 Programming

2.On the IPMC712, pins PA0 through PA4, PA6, PA7, PB0 through PB4 are not used on the Z8536 CIO.

Table 3-9. Z8536 CIO Port Pins Assignment

Port Pin

Signal Name

Direction

Descriptions

PA6

BRDFAIL

Output

Not used on module

 

 

 

 

PB6

FUSE

Input

Not used on module

 

 

 

 

PB7

ABORT_

Input

Not used on module

 

 

 

 

PC1

Reserved

I/O

Not used on module

 

 

 

 

PC2

BASETYP0

Input

Not used on module

 

 

 

 

PC3

BASETYP1

Input

 

 

 

 

 

ISA DMA Connections/Assignments

The following table shows the DMA connections/assignments between the PC97307 and the PIB.

Table 3-10. DMA Connection/Assignments

Chann

 

 

 

el

Connection

Level

Usage

0

SCC W//REQA

high

Serial Port 3 RX

 

 

 

 

1

SCC

high

Serial Port 3 TX

 

DTR//REQA

 

 

 

 

 

 

2

SIO

high

User SIO configurable, suggested use is parallel port

 

DRQ2/DACK2

 

 

 

 

 

 

3

SIO

high

User SIO configurable, suggested use is parallel port

 

DRQ3/DACK3

 

 

 

 

 

 

4

None

 

PIB Internal DMA cascade

 

 

 

 

5

SCC W//REQB

high

Serial Port 4 RX

 

 

 

 

6

SCC

high

Serial Port 4 TX

 

DTR//REQB

 

 

 

 

 

 

7

None

 

 

 

 

 

 

22IPMC7126E/7616E I/O Module Installation and Use (6806800A45B)

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Emerson IPMC7616E manual ISA DMA Connections/Assignments, 9. Z8536 CIO Port Pins Assignment, 10. DMA Connection/Assignments