HD6417751RBP240V Datasheet, PDF (684/1226 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

14. Direct Memory Access Controller (DMAC)
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
DREQ0
DRAK0
DMA transfer end DACK0
notification
1
DMA transfer
DREQ1
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.4.00 Oct. 10, 2008 Page 584 of 1122
REJ09B0370-0400