r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 423

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

8.2
Table 8.1 shows the pin configuration of the EXDMAC.
Table 8.1
Channel
2
3
Input/Output Pins
Name
EXDMA transfer request 2
EXDMA transfer
acknowledge 2
EXDMA transfer end 2
EDREQ2 acceptance
acknowledge
EXDMA transfer request 3
EXDMA transfer
acknowledge 3
EXDMA transfer end 3
EDREQ3 acceptance
acknowledge
Pin Configuration
Abbre-
viation
EDREQ2
EDACK2
ETEND2
EDRAK2
EDREQ3
EDACK3
ETEND3
EDRAK3
I/O
Input
Output
Output
Output
Input
Output
Output
Output
Rev. 1.00 Sep. 19, 2008 Page 393 of 1342
Section 8 EXDMA Controller (EXDMAC)
Function
Channel 2 external request
Channel 2 single address transfer
acknowledge
Channel 2 transfer end
Notification to external device of
channel 2 external request
acceptance and start of transfer
processing
Channel 3 external request
Channel 3 single address transfer
acknowledge
Channel 3 transfer end
Notification to external device of
channel 3 external request
acceptance and start of transfer
processing
REJ09B0467-0100