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 |
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PB6 | FUSE | Input | Not used on module |
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PB7 | ABORT_ | Input | Not used on module |
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PC1 | Reserved | I/O | Not used on module |
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PC2 | BASETYP0 | Input | Not used on module |
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PC3 | BASETYP1 | Input |
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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 |
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|
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el | Connection | Level | Usage |
0 | SCC W//REQA | high | Serial Port 3 RX |
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1 | SCC | high | Serial Port 3 TX |
| DTR//REQA |
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2 | SIO | high | User SIO configurable, suggested use is parallel port |
| DRQ2/DACK2 |
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3 | SIO | high | User SIO configurable, suggested use is parallel port |
| DRQ3/DACK3 |
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4 | None |
| PIB Internal DMA cascade |
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5 | SCC W//REQB | high | Serial Port 4 RX |
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6 | SCC | high | Serial Port 4 TX |
| DTR//REQB |
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7 | None |
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22IPMC7126E/7616E I/O Module Installation and Use (6806800A45B)
