SH7672 datasheet(322/1292 Pages) RENESAS

Part #	SH7672

Description	32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

PDF	1292 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 8 Direct Memory Access Controller (DMAC)

Rev. 1.00 Nov. 14, 2007 Page 296 of 1262

REJ09B0437-0100

8.2

Input/Output Pins

The external pins for DMAC are described below. Table 8.1 lists the configuration of the pins that

are connected to external bus. DMAC has pins for two channels (channels 0 and 1) for external

bus use.

Table 8.1

Pin Configuration

Channel Name

Abbreviation

I/O

Function

DMA transfer request

DREQ0

DMA transfer request input from an

external device to channel 0

DMA transfer request

acknowledge

DACK0

DMA transfer request acknowledge

output from channel 0 to an external

device

DMA transfer request

DREQ1

DMA transfer request input from an

external device to channel 1

DMA transfer request

acknowledge

DACK1

DMA transfer request acknowledge

output from channel 1 to an external

device

DMA transfer end

TEND0

DMA transfer end output for channel 0

DMA transfer end

TEND1

DMA transfer end output for channel 1

SH7672 Datasheet(PDF) 322 Page - Renesas Technology Corp