參數(shù)資料
型號： M37274MA-053SP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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)： 27/147頁
文件大小： 2042K
代理商： M37274MA-053SP
27
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274EFSP
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
MITSUBISHI MICROCOMPUTERS
Fig. 21. Serial I/O Mode Register
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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