Pin Configuration - Hitachi SH7750 series Hardware Manual

14.1.3

Pin Configuration

Tables 14.1 and 14.2 show the DMAC pins.
Table 14.1 DMAC Pins
Channel Pin Name
0 DMA transfer
request
'5(4 acceptance
confirmation
DMA transfer end
notification
1 DMA transfer
request
'5(4 acceptance
confirmation
DMA transfer end
notification
Rev. 4.0, 04/00, page 422 of 850
Abbreviation I/O
'5(43
Input
DRAK0 Output
DACK0 Output
'5(44
Input
DRAK1 Output
DACK1 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