參數(shù)資料
型號： M37274MA-052SP
廠商： Mitsubishi Electric Corporation
英文描述： PHOTO SM DETECTOR
中文描述： 單芯片8位CMOS微機隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù)： 139/147頁
文件大?。?/td> 2042K
代理商： M37274MA-052SP
139
MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
Serial I/O Mode Register
Interrupt Input Polarity Register
Address 0212
16
Address 0213
16
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt input polarity register (IP) [Address 0212
16
]
B
Name
Functions
After reset
R W
Interrupt Input Polarity Register
0
0 to 2,
5
Fix these bits to “0.”
R W
INT1 polarity switch bit
(INT1POL)
0
0
3
0 : Positive polarity
1 : Negative polarity
4
0 : Positive polarity
1 : Negative polarity
6
INT2 polarity switch bit
(INT2POL)
INT3 polarity switch bit
(INT3POL)
0
R W
R W
R W
0 : Positive polarity
1 : Negative polarity
0
0
0
0
0
0 : Positive polarity
1 : Negative polarity
7
A-D conversion INT3
interrupt source selection
bit
(RE7)
R W
b7b6 b5b4b3 b2b1b0
0
0
Serial I/O mode register (SM) [Address 0213
16
]
B
Name
Functions
After reset
R W
0
Serial I/O Mode Register
0, 1 Internal synchronous
clock selection bits
(SM0, SM1)
b1 b0
0 0: f(X
IN
)/4 or f(X
CIN
)/4
0 1: f(X
IN
)/16 or f(X
CIN
)/16
1 0: f(X
IN
)/32 or f(X
CIN
)/32
1 1: f(X
IN
)/64 or f(X
CIN
)/64
2
Synchronous clock
selection bit (SM2)
3
Port function
selection bit (SM3)
6, 7
5
Transfer direction
selection bit (SM5)
0: P1
1
, P1
3
1: SCL1, SDA1
0: External clock
1: Internal clock
0: LSB first
1: MSB first
Fix these bits to “0.”
0
0
0
0
0
R W
R W
R W
R W
R W
R W
4
Port function
selection bit (SM4)
0: P1
2
, P1
4
1: SCL2, SDA2
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