HD6417751 Datasheet, PDF (591/1105 Pages) Renesas Technology Corp – SuperH RISC engine

14.6.2 Pin Configuration (SH7751R)
Tables 14.12 and 14.13 show the pin configuration of the DMAC.
Table 14.12 DMAC Pins
Channel
0
Pin Name
DMA transfer
request
DREQ acceptance
confirmation
Abbreviation
#"
DRAK0
DMA transfer end DACK0
notification
1
DMA transfer
#"
request
DREQ acceptance DRAK1
confirmation
DMA transfer end DACK1
notification
I/O
Input
Output
Output
Input
Output
Output
Function
DMA transfer request input from
external device to channel 0
Acceptance of request for DMA
transfer from channel 0 to external
device
Notification to external device of start
of execution
Strobe output to external device of
DMA transfer request from channel 0
to external device
DMA transfer request input from
external device to channel 1
Acceptance of request for DMA
transfer from channel 1 to external
device
Notification to external device of start
of execution
Strobe output to external device of
DMA transfer request from channel 1
to external device
Rev. 3.0, 04/02, page 551 of 1064