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Section 10 Direct Memory Access Controller
R01UH0134EJ0400 Rev. 4.00 Page 375 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
10.3 Register Descriptions
This module has the registers listed in table 10.2. There are four control registers and three reload
registers for each channel, and one common control register is used by all channels. In addition,
there is one extension resource selector per two channels. Each channel number is expressed in the
register names, as in SAR_0 for SAR in channel 0.
Table 10.2 Register Configuration
Channel Register Name Abbreviation R/W Initial Value Address
Access
Size
0 DMA source address
register_0
SAR_0 R/W H'00000000 H'FFFE1000 16, 32
DMA destination
address register_0
DAR_0 R/W H'00000000 H'FFFE1004 16, 32
DMA transfer count
register_0
DMATCR_0 R/W H'00000000 H'FFFE1008 16, 32
DMA channel control
register_0
CHCR_0 R/W*
1
H'00000000 H'FFFE100C 8, 16, 32
DMA reload source
address register_0
RSAR_0 R/W H'00000000 H'FFFE1100 16, 32
DMA reload destination
address register_0
RDAR_0 R/W H'00000000 H'FFFE1104 16, 32
DMA reload transfer
count register_0
RDMATCR_0 R/W H'00000000 H'FFFE1108 16, 32
1 DMA source address
register_1
SAR_1 R/W H'00000000 H'FFFE1010 16, 32
DMA destination
address register_1
DAR_1 R/W H'00000000 H'FFFE1014 16, 32
DMA transfer count
register_1
DMATCR_1 R/W H'00000000 H'FFFE1018 16, 32
DMA channel control
register_1
CHCR_1 R/W*
1
H'00000000 H'FFFE101C 8, 16, 32
DMA reload source
address register_1
RSAR_1 R/W H'00000000 H'FFFE1110 16, 32
DMA reload destination
address register_1
RDAR_1 R/W H'00000000 H'FFFE1114 16, 32
DMA reload transfer
count register_1
RDMATCR_1 R/W H'00000000 H'FFFE1118 16, 32