参数资料
型号: M37274MA-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP52
封装: 0.600 INCH, 1.778 MM PITCH, SHRINK, PLASTIC, DIP-52
文件页数: 9/131页
文件大小: 2049K
代理商: M37274MA-XXXSP
106
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
paramentic
limits
are
subject
to change.
Port P4 Direction Register
Address 00C916
b7 b6 b5 b4 b3 b2 b1 b0
Port P4 direction register (D4) [Address 00C9 16]
B
Name
Functions
After reset RW
Port P4 Direction Register
0
1 to 4,
7
0
Fix this bit to “0.”
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
RW
R—
5
0: SOUT pin
1: Input port P45
Port P45 selection bit
0
R W
6
0: SCLK pin
1: Input port P46
Port P46 selection bit
0R W
0
OSD Port Control Register
Address 00CB16
b7 b6 b5 b4 b3 b2 b1 b0
OSD port control register (PF) [Address 00CB 16]
B
Name
Functions
After reset R W
OSD Port Control Register
0
2
3
0 : G signal output
1 : Port P53 output
0
Fix these bits to “0.”
RW
0, 1,
7
Port P53 output signal
selection bit (G)
4
0 : B signal output
1 : Port P54 output
0R W
Port P54 output signal
selection bit (B)
0R W
0 : R signal output
1 : Port P52 output
Port P52 output signal
selection bit (R)
5
0 : OUT1 signal output
1 : Port P55 output
Port P55 output signal
selection bit (OUT1)
6
0 : Port P10 output
1 : OUT2 signal output
Port P10 output signal
selection bit (OUT2)
00
0
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