Datasheet

Section 8 EXDMA Controller
Rev. 3.00 Mar 17, 2006 page 337 of 926
REJ09B0283-0300
8.2 Input/Output Pins
Table 8.1 shows the EXDMAC pin configuration.
Table 8.1 Pin Configuration
Channel Name
Abbre-
viation I/O Function
0 EXDMA transfer request 0 EDREQ0 Input Channel 0 external request
EXDMA transfer
acknowledge 0
EDACK0 Output Channel 0 single address transfer
acknowledge
EXDMA transfer end 0 ETEND0 Output Channel 0 transfer end
EDREQ0 acceptance
acknowledge
EDRAK0 Output Notification to external device of
channel 0 external request
acceptance and start of execution
1 EXDMA transfer request 1 EDREQ1 Input Channel 1 external request
EXDMA transfer
acknowledge 1
EDACK1 Output Channel 1 single address transfer
acknowledge
EXDMA transfer end 1 ETEND1 Output Channel 1 transfer end
EDREQ1 acceptance
acknowledge
EDRAK1 Output Notification to external device of
channel 1 external request
acceptance and start of execution
2 EXDMA transfer request 2 EDREQ2 Input Channel 2 external request
EXDMA transfer
acknowledge 2
EDACK2 Output Channel 2 single address transfer
acknowledge
EXDMA transfer end 2 ETEND2 Output Channel 2 transfer end
EDREQ2 acceptance
acknowledge
EDRAK2 Output Notification to external device of
channel 2 external request
acceptance and start of execution
3 EXDMA transfer request 3 EDREQ3 Input Channel 3 external request
EXDMA transfer
acknowledge 3
EDACK3 Output Channel 3 single address transfer
acknowledge
EXDMA transfer end 3 ETEND3 Output Channel 3 transfer end
EDREQ3 acceptance
acknowledge
EDRAK3 Output Notification to external device of
channel 3 external request
acceptance and start of execution