HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 187

• Manufacturer Part Number: HD6417021
• Description: SuperH RISC engine
• Manufacturer: Hitachi Semiconductor

9.1.3
Table 9.1 shows the DMAC pins.
Table 9.1
Channel
0
1
172 HITACHI
Pin Configuration
DMA transfer request
DMA transfer request
acknowledge
DMA transfer request
DMA transfer request
acknowledge
Name
Pin Configuration
Symbol
DREQ0
DACK0
DREQ1
DACK1
I/O
I
O
I
O
Function
DMA transfer request input from
external device to channel 0
DMA transfer request acknowledge
output from channel 0 to external
device
DMA transfer request input from
external device to channel 1
DMA transfer request acknowledge
output from channel 1 to external
device