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9
DMA8 Channel Control Register (DM8CNT)
D0
MDSEL8 TREQF8
D
Bit Name
0
MDSEL8
(Selects DMA8 transfer mode)
1
TREQF8
(DMA8 transfer request flag)
2, 3
REQSL8
(Selects cause of DMA8 request)
4
TENL8
(Enables DMA8 transfer)
5
TSZSL8
(Selects DMA8 transfer size)
6
SADSL8
(Selects DMA8 source address direction) 1 : Incremental
7
DADSL8
(Selects DMA8 destination
address direction)
W =
: Only writing a 0 is effective; when you write a 1, the previous value is retained.
1
2
3
REQSL8
Function
0 : Normal mode
1 : Ring buffer mode
0 : Not requested
1 : Requested
00 : Software start
01 : MJT (input event bus 0)
10 : Serial I/O3 (reception completed)
11 : MJT (TIN7 input signal)
0 : Disables transfer
1 : Enables transfer
0 : 16 bits
1 : 8 bits
0 : Fixed
0 : Fixed
1 : Incremental
9-14
9.2 DMAC Related Registers
<Address: H'0080 0448>
4
5
6
TENL8
TSZSL8
SADSL8
DMAC
D7
DADSL8
<When reset : H'00>
R
W
Ver.0.10
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