Pins - Hitachi H8S/2678 Series Reference Manual

6.4.3

Pins

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