352
6.4.3
Pins
Table 6.3
EXDMAC Pins
Channel
Name
Abbreviation
I/O
Function
0
EXDMA transfer
request 0
EDREQ0
Input
EXDMAC channel 0 external request
EXDMA transfer
acknowledge 0
EDACK0
Output
EXDMAC channel 0 single address
transfer acknowledge
EXDMA transfer
end 0
ETEND0
Output
EXDMAC channel 0 transfer end
EDREQ0
acknowledge
EDRAK0
Output
Notification to external device of
channel 0 external request
acceptance and start of execution
1
EXDMA transfer
request 1
EDREQ1
Input
EXDMAC channel 1 external request
EXDMA transfer
acknowledge 1
EDACK1
Output
EXDMAC channel 1 single address
transfer acknowledge
EXDMA transfer
end 1
ETEND1
Output
EXDMAC channel 1 transfer end
EDREQ1
acknowledge
EDRAK1
Output
Notification to external device of
channel 1 external request
acceptance and start of execution
2
EXDMA transfer
request 2
EDREQ2
Input
EXDMAC channel 2 external request
EXDMA transfer
acknowledge 2
EDACK2
Output
EXDMAC channel 2 single address
transfer acknowledge
EXDMA transfer
end 2
ETEND2
Output
EXDMAC channel 2 transfer end
EDREQ2
acknowledge
EDRAK2
Output
Notification to external device of
channel 2 external request
acceptance and start of execution
3
EXDMA transfer
request 3
EDREQ3
Input
EXDMAC channel 3 external request
EXDMA transfer
acknowledge 3
EDACK3
Output
EXDMAC channel 3 single address
transfer acknowledge
EXDMA transfer
end 3
ETEND3
Output
EXDMAC channel 3 transfer end
EDREQ3
acknowledge
EDRAK3
Output
Notification to external device of
channel 3 external request
acceptance and start of execution
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