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Chapter 30 I/O Ports
1.I/O Ports Functions
P11_0
P11_0
TP04_0
General purpose I/O.
IORDX Output pin for DMA I/O to memory fly-by transfer.
Port 12
P12_7
P12_7
TP04_0
General purpose I/O.
DEOP3 Output pin for DMA end of transfer.
P12_6
P12_6
TP04_0
General purpose I/O.
DEOTX3 Input pin for DMA transfer stop request.
DEOP3 Output pin for DMA end of transfer.
P12_5
P12_5
TP04_0
General purpose I/O.
DACKX3 Output pin for DMA transfer request acknowledgement.
P12_4
P12_4
TP04_0
General purpose I/O.
DREQ3 Input pin for DMA transfer request.
P12_3
P12_3
TP04_0
General purpose I/O.
DEOP2 Output pin for DMA end of transfer.
P12_2
P12_2
TP04_0
General purpose I/O.
DEOTX2 Input pin for DMA transfer stop request.
DEOP2 Output pin for DMA end of transfer.
P12_1
P12_1
TP04_0
General purpose I/O.
DACKX2 Output pin for DMA transfer request acknowledgement.
P12_0
P12_0
TP04_0
General purpose I/O.
DREQ2 Input pin for DMA transfer request.
Port 13
P13_7
P13_7
TP04_0
General purpose I/O.
DEOP1 Output pin for DMA end of transfer.
P13_6
P13_6
TP04_0
General purpose I/O.
DEOTX1 Input pin for DMA transfer stop request.
DEOP1 Output pin for DMA end of transfer.
P13_5
P13_5
TP04_0
General purpose I/O.
DACKX1 Output pin for DMA transfer request acknowledgement.
P13_4
P13_4
TP04_0
General purpose I/O.
DREQ1 Input pin for DMA transfer request.
P13_3
P13_3
TP04_0
General purpose I/O.
DEOP0 Output pin for DMA end of transfer.
P13_2
P13_2
TP04_0
General purpose I/O.
DEOTX0 Input pin for DMA transfer stop request.
DEOP0 Output pin for DMA end of transfer.
P13_1
P13_1
TP04_0
General purpose I/O.
DACKX0 Output pin for DMA transfer request acknowledgement.
P13_0
P13_0
TP04_0
General purpose I/O.
DREQ0 Input pin for DMA transfer request.
Port 14
Pin Name I/O Signal
Circuit
Type
Function