HD6417750RF240DV Datasheet, PDF (601/1132 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7750 Series

SH7750, SH7750S, SH7750R Group
Section 14 Direct Memory Access Controller (DMAC)
14.1.3 Pin Configuration (SH7750, SH7750S)
Tables 14.1 and 14.2 show the DMAC pins.
Table 14.1 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
R01UH0456EJ0702 Rev. 7.02
Sep 24, 2013
Page 549 of 1076