參數(shù)資料
型號: M37224M3
廠商: Mitsubishi Electric Corporation
英文描述: Single Chip 8 Bits Microcomputer(8位單片機(jī))
中文描述: 單芯片8位單片機(jī)(8位單片機(jī))
文件頁數(shù): 33/83頁
文件大小: 901K
代理商: M37224M3
M37224M3-XXXSP
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
33
Fig. 32. Port P3 Output Mode Control Register
Fig. 31. DAi Conversion Register
b7b6b5b4b3b2b1b0
0
DAi conversion register (DAi) (i = 1 and 2) [Address 00DE
16
, 00DF
16
]
B
After reset
R W
DAi Conversion Register
0 to 5,
7
6
Indeterminate
0
Name
Functions
b1
b2
0
0
0
0
0
1
DA conversion set
bits
(DAi0 to DAi5)
b0
0
1
b3
0
0
0
b4
0
0
0
b5
0
0
0
Fix this bit to “0.”
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
0
: 1/128Vcc
: 2/128Vcc
: 125/128Vcc
: 126/128Vcc
: 127/128Vcc
: 0/128Vcc
R W
R W
b7
0
1
0
1
0
1
b7 b6 b5 b4 b3 b2 b1 b0
Port P3 output mode control register (P3S) [address 00CD
16
]
B
Name
Functions
After reset
R W
Port P3 Output Mode Control Register
0
0 : CMOS output
1 : N-channel open-drain output
0
1
0
4
to
7
0
P3
0
output structure
selection bit (P30S)
P3
1
output structure
selection bit (P31S)
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
0 : CMOS output
1 : N-channel open-drain output
0
2
DA1 output enable bit
0 : P3
0
input/output
1 : DA1 output
0
3
DA2 output enable bit
0 : P3
1
input/output
1 : DA2 output
R W
R W
R —
R W
R W
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