Isa dma connections/assignments, Table 3-9. z8536 cio port pins assignment, Table 3-10. dma connection/assignments – Emerson I/O MODULE IPMC7126E User Manual
Page 36
IPMC7126E/7616E I/O Module Installation and Use (6806800A45B)
Chapter 3 Programming
22
2.
On the IPMC712, pins PA0 through PA4, PA6, PA7, PB0 through PB4 are not used on the
Z8536 CIO.
ISA DMA Connections/Assignments
The following table shows the DMA connections/assignments between the PC97307 and the
PIB.
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
Table 3-10. DMA Connection/Assignments
Chann
el
Connection
Level
Usage
0
SCC W//REQA
high
Serial Port 3 RX
1
SCC
DTR//REQA
high
Serial Port 3 TX
2
SIO
DRQ2/DACK2
high
User SIO configurable, suggested use is parallel port
3
SIO
DRQ3/DACK3
high
User SIO configurable, suggested use is parallel port
4
None
PIB Internal DMA cascade
5
SCC W//REQB
high
Serial Port 4 RX
6
SCC
DTR//REQB
high
Serial Port 4 TX
7
None