Datasheet
Section 8 EXDMA Controller (EXDMAC) 
R01UH0310EJ0500 Rev. 5.00    Page 409 of 1384 
Sep 25, 2012     
H8S/2426, H8S/2426R, H8S/2424 Group 
8.2  Input/Output Pins 
Table 8.1 shows the pin configuration of the EXDMAC. 
Table 8.1  Pin Configuration 
Channel Name 
Abbre-
viation I/O  Function 
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 transfer 
processing 
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 transfer 
processing 










