IPMC7xx ISA Bus Resources
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Note The direction and the polarity of the Z8536’s port pins are
software programmable.
The module ID signals, which are only valid when IDREQ_ is asserted,
indicate the type of the serial module that is installed on either Port 3 or
Port 4. The following table shows how to interpret the MID3-MID0
signals:
PB7 ABORT_ Input Status of ABORT# signal
PC0 Reserved I/O Reserved
PC1 Reserved I/O Reserved
PC2 Reserved I/O Reserved
PC3 Reserved I/O
Table 1-21. Interpretation of MID3-MID0
IDREQ_ LLB3_
MODSEL
MID3
MID2
MID1
MID0
Serial Module Type Module
Assembly
Number
1 X XXXXInvalid module ID
0 0 0 0 0 0 Module 3: EIA232 DCE 01-W3876B01
0 0 0 0 0 1 Module 3: EIA232 DTE 01-W3877B01
0 0 0 0 1 0 Module 3: EIA530 DCE 01-W3878B01
0 0 0 0 1 1 Module 3: EIA530 DTE 01-W3879B01
0 0 1 1 1 1 Module 3 Not Installed
0 1 0 0 0 0 Module 4: EIA232 DCE 01-W3876B01
0 1 0 0 0 1 Module 4: EIA232 DTE 01-W3877B01
0 1 0 0 1 0 Module 3: EIA530 DCE 01-W3878B01
Table 1-20. Z8536 CIO Port Pins Assignment (Continued)
Port
Pin Signal Name Direction Descriptions