HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 472

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

11.1.4
Table 11.2 summarizes the DMAC registers. The DMAC has a total of 13 registers. Each channel
has six control registers. One control register is shared by both channels.
Table 11.2 Register Configuration
Channel Name
0
1
All
Notes: 1. Only 0 can be written to bit 1 of CHCR0 and CHCR1, after reading 1, to clear the flags.
2. Only 0 can be written to bits 1 and 2 of the DMAOR, after reading 1, to clear the flags.
3. Access DRCR0 and DRCR1 in byte units. Access all other registers in longword units.
DMA source address register 0 SAR0
DMA destination address
register 0
DMA transfer count register 0
DMA channel control register 0
DMA vector number register 0
DMA request/response
selection control register 0
DMA source address register 1 SAR1
DMA destination address
register 1
DMA transfer count register 1
DMA channel control register 1
DMA vector number register 1
DMA request/response
selection control register 1
DMA operation register
Register Configuration
Abbr.
DAR0
TCR0
CHCR0
VCRDMA0 R/W
DRCR0
DAR1
TCR1
CHCR1
VCRDMA1 R/(W)
DRCR1
DMAOR
R/W
R/W
R/W
R/W
R/(W)*
R/W
R/W
R/W
R/W
R/(W)*
R/(W)
R/(W)*
1
1
2
Initial
Value
Undefined
Undefined
Undefined
H'00000000 H'FFFFFF8C 32
Undefined
H'00
Undefined
Undefined
Undefined
H'00000000 H'FFFFFF9C 32
Undefined
H'00
H'00000000 H'FFFFFFB0 32
Address
H'FFFFFF80 32
H'FFFFFF84 32
H'FFFFFF88 32
H'FFFFFFA0 32
H'FFFFFE71 8*
H'FFFFFF90
H'FFFFFF94 32
H'FFFFFF98 32
H'FFFFFFA8 32
H'FFFFFE72 8*
Access
Size*
32
3
3
457
3