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Chapter 14 Automatic Transfer Controller
Control Registers
XIV - 6
ATC1 Control Register 0 (AT1CNT0)
Figure 14-2-1 ATC1 Control Register 0 (AT1CNT0 : x'03FD0', R/W)
AT1CNT0
FMODE AT1MD0 Reserved AT1EN
(At reset : 0 0 x x x x 0 0 )
AT1ACT AT1MD3 AT1MD2 AT1MD1
AT1EN ATC1 transfer enable flag
0
1
ATC1 transfer disabled
ATC1 transfer enabled (ATC 1 start for burst transfers)
AT1MD3 AT1MD2 AT1MD1
0
1
Transfer mode 0
Transfer mode 1
Transfer mode 2
Transfer mode 3
Transfer mode 4
Transfer mode 5
Transfer mode 6
Transfer mode 7
Transfer mode 8
Transfer mode 9
Transfer mode A
Transfer mode B
Transfer mode C
Transfer mode D
Transfer mode E
Transfer mode F
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
AT1MD0
data transfer mode
ATC1
Reserved Set always "0".
AT1ACT ATC1 software activation flag
0
1
Do not activate ATC1
Activate ATC1
FMODE
Increment control flag for memory pointer
0
1
Increment depending on transfer mode
Disable incrementing of memory pointer 0
0
1
0
1
0
1
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