HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 209

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

9.1.4
Table 9.2 summarizes the DMAC registers. The DMAC has a total of 17 registers. Each channel
has four control registers. One other control register is shared by all channels.
Table 9.2
Chan-
nel
0
1
2
3
Shar-
ed
Notes: 1. Only 0 can be written in bit 1 of CHCR0–CHCR3, to clear flags.
Name
DMA source address register 0 SAR0 *
DMA destination address
register 0
DMA transfer count register 0
DMA channel 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 source address register 2 SAR2 *
DMA destination address
register 2
DMA transfer count register 2
DMA channel control register 2
DMA source address register 3 SAR3 *
DMA destination address
register 3
DMA transfer count register 3
DMA channel control register 3
DMA operation register
2. Only 0 can be written in bits 1 and 2 of DMAOR, to clear flags.
3. Access SAR0–SAR3, DAR0–DAR3, and TCR0–TCR3 by longword or word. If byte
4. Only the values of bits A27–A24 and A8–A0 are valid; bits A23–A9 are ignored. For
Register Configuration
access is used when writing, the value of the register contents will be undefined; if used
when reading, the value read will be undefined.
details on the register addresses, see section 8.3.5, Area Descriptions.
DMAC Registers
TCR0 *
CHCR0
TCR1 *
CHCR1
TCR2 *
CHCR2
TCR3 *
CHCR3
Abbrevi-
ation
DAR0 *
DAR1 *
DAR2 *
DAR3 *
DMAOR
Section 9 Direct Memory Access Controller (DMAC)
3
3
3
3
3
3
3
3
3
3
3
3
R/W
R/W
R/W
R/W
R/(W) *
R/W
R/W
R/W
R/(W) *
R/W
R/W
R/W
R/(W) *
R/W
R/W
R/W
R/(W) *
R/(W) *
Rev. 7.00 Jan 31, 2006 page 183 of 658
1
1
1
1
2
Initial
Value
Undefined
Undefined
Undefined
H'0000
Undefined
Undefined
Undefined
H'0000
Undefined
Undefined
Undefined
H'0000
Undefined
Undefined
Undefined
H'0000
H'0000
Address*
H'5FFFF40
H'5FFFF44
H'5FFFF4A
H'5FFFF4E
H'5FFFF50
H'5FFFF54
H'5FFFF5A
H'5FFFF5E
H'5FFFF60
H'5FFFF64
H'5FFFF6A
H'5FFFF6E
H'5FFFF70
H'5FFFF74
H'5FFFF7A
H'5FFFF7E
H'5FFFF48
REJ09B0272-0700
4
Access
Size
16, 32
16, 32
16, 32
8, 16, 32
16, 32
16, 32
16, 32
8, 16, 32
16, 32
16, 32
16, 32
8, 16, 32
16, 32
16, 32
16, 32
8, 16, 32
8, 16, 32