RX610 Group
12. DMA Controller (DMAC)
R01UH0032EJ0120 Rev.1.20
Page 305 of 1006
Feb 20, 2013
12.2.1
DMA Mode Register (DMMOD)
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Addresses: DMAC0.DMMOD 0008 200Ch, DMAC1.DMMOD 0008 201Ch
DMAC2.DMMOD 0008 202Ch, DMAC3.DMMOD 0008 203Ch
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b20
b31
b24
b23
b19
b18
b17
b16
b30
b29
b28
b27
b26
b25
b22
b21
b4
b15
b8
b7
b3
b2
b1
b0
b14
b13
b12
b11
b10
b9
b6
b5
Value after reset:
0
0
0
0
0
x
x
x
x
0
0
0
0
x
x
x
Value after reset:
0
0
x
x
x
0
x
x
x
0
0
0
0
0
0
0
OPSEL[3:0]
SZSEL[2:0]
SMOD[2 0]
DMOD[2:0]
Bit
Symbol
Bit Name
Description
R/W
b7 to b0
Reserved
These bits are always read as 0. The write value
should always be 0.
R/W
b10 to b8
DMOD[2:0]
Transfer Destination Address Addition
Direction Select
b10 b9 b8
0
0 0: Fixed
0
0 1: Plus
0
1 0: Minus
0
1 1: Rotate
Do not write other values.
R/W
b11
Reserved
This bit is always read as 0. The write value should
always be 0.
R/W
b14 to b12
SMOD[2:0]
Transfer Source Address Addition
Direction Select
b14 b13 b12
0
0
0: Fixed
0
0
1: Plus
0
1
0: Minus
0
1
1: Rotate
Do not write other values.
R/W
b15
Reserved
This bit is always read as 0. The write value should
always be 0.
R/W
b18 to b16
SZSEL[2:0]
Transfer Data Size Select
b18 b17 b16
0 0 0: 8 bits
0 0 1: 16 bits
0 1 0: 32 bits
Do not write other values.
R/W
b23 to b19
Reserved
These bits are always read as 0. The write value
should always be 0.
R/W
Summary of Contents for RX600 Series
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