Mitsubishi Electric M32R Series User Manual page 237

Mitsubishi 32-bit risc single-chip microcomputers
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9
DMA1 Channel Control Register (DM1CNT)
D0
MDSEL1 TREQF1
D
Bit Name
0
MDSEL1
(Selects DMA1 transfer mode)
1
TREQF1
(DMA1 transfer request flag)
2, 3
REQSL1
(Selects cause of DMA1 request)
4
TENL1
(Enables DMA1 transfer)
5
TSZSL1
(Selects DMA1 transfer size)
6
SADSL1
(Selects DMA1 source address direction) 1 : Incremental
7
DADSL1
(Selects DMA1 destination
address direction)
W =
: Only writing a 0 is effective; when you write a 1, the previous value is retained.
1
2
3
REQSL1
Function
0 : Normal mode
1 : Ring buffer mode
0 : Not requested
1 : Requested
00 : Software start
01 : MJT (output event bus 0)
10 : MJT (TIN13 input signal)
11 : One DMA0 transfer completed
0 : Disables transfer
1 : Enables transfer
0 : 16 bits
1 : 8 bits
0 : Fixed
0 : Fixed
1 : Incremental
9-7
9.2 DMAC Related Registers
<Address: H'0080 0420>
4
5
6
TENL1
TSZSL1
SADSL1
DMAC
D7
DADSL1
<When reset : H'00>
R
W
Ver.0.10

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