參數(shù)資料
型號: M37920FGCGP
廠商: Mitsubishi Electric Corporation
英文描述: Single Chip 16 Bits CMOS Microcomputer(16位單片機)
中文描述: 單片微機16位的CMOS(16位單片機)
文件頁數(shù): 75/158頁
文件大?。?/td> 1261K
代理商: M37920FGCGP
75
M37920FCCGP, M37920FCCHP
M37920FGCGP, M37920FGCHP
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
MITSUBISHI MICROCOMPUTERS
Fig. 69 Bit configuration of DMA
i
control registers L and H
7
6
5
4
3
0
2
1
0
Transfer mode select bit
0 : Burst transfer mode
1 : Cycle steal transfer mode
Transfer-unit-bit-number select bit
0 : 16 bits
1 : 8 bits
Fix this bit to
0
.
Note:
For the DMA3 mode register L, be sure to fix this bit to
0
(2-bus cycle transfer). In this case,
1-bus cycle transfer cannot be used. Additionally, be sure to fix this bit to
0
when either transfer
source or transfer destination is in an internal area. In this case, also, 1-bus cycle transfer
cannot be used.
7
6
5
0
4
0
3
0
2
0
1
0
0
Transfer destination select bit (Used in 1-bus cycle transfer.)
(Note)
0 : From memory to I/O
1 : From I/O to memory
Transfer method select bit
0 : 2-bus cycle transfer
1 : 1-bus cycle transfer
(Note)
Transfer-source-address-direction select bits
0 0 : Fixed
0 1 : Forward
1 0 : Backward
1 1 : Do not select.
Transfer-destination-address-direction select bits
0 0 : Fixed
0 1 : Forward
1 0 : Backward
1 1 : Do not select.
The value is
0
at reading.
Fix this bit to
0
.
The value is
0
at reading.
Operating mode select bits
0 0 : Single transfer
0 1 : Repeat transfer
1 0 : Array chain transfer
1 1 : Link array chain transfer
DMA0 mode register L
DMA1 mode register L
DMA2 mode register L
DMA3 mode register L
Address
CC
16
DC
16
EC
16
FC
16
DMA0 mode register H
DMA1 mode register H
DMA2 mode register H
DMA3 mode register H
Address
CD
16
DD
16
ED
16
FD
16
Note:
Be sure to fix this bit to
0
in 2-bus cycle transfer.
相關PDF資料
PDF描述
M37920FCCGP Single Chip 16 Bits CMOS Microcomputer(16位單片機)
M37920FCCHP Single Chip 16 Bits CMOS Microcomputer(16位單片機)
M37920FGCHP Single Chip 16 Bits CMOS Microcomputer(16位單片機)
M3802 Single Chip 8 Bits Microcomputer(8位單片機)
M3820 Single Chip 8 Bits Microcomputer(8位單片機)
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