SH7763 Datasheet, PDF (634/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 14 Direct Memory Access Controller (DMAC)
Channel Pin Name Function
I/O
2
DREQ2*¹ DMA transfer request Input
DACK2*² DMA transfer request Output
acknowledge
TEND2*² DMA transfer end
notification
Output
3
DREQ3*¹ DMA transfer request Input
DACK3*² DMA transfer request Output
acknowledge
TEND3*² DMA transfer end
notification
Output
Notes: 1. The initial value is detected at low level.
2. The initial value is low active.
Description
DMA transfer request input from
external device to channel 2
Strobe output from channel 2 to
external device which has output,
regarding DMA transfer request
DMA transfer end output from channel
2 to external device
DMA transfer request input from
external device to channel 3
Strobe output from channel 3 to
external device which has output,
regarding DMA transfer request
DMA transfer end output from channel
3 to external device
Rev. 1.00 Oct. 01, 2007 Page 568 of 1956
REJ09B0256-0100