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(jī)隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù)： 122/147頁
文件大?。?/td> 2042K
代理商： M37274MA-053SP
122
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.
Port P4 Direction Register
Address 00C9
16
OSD Port Control Register
Address 00CB
16
b7 b6 b5 b4 b3 b2 b1 b0
Port P4 direction register (D4) [Address 00C9
16
]
B
Name
Functions
After reset
R W
Port P4 Direction Register
0
1 to 4,
7
0
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.”
R W
R —
5
0: S
OUT
pin
1: Input port P4
5
Port P4
5
selection bit
0
R W
6
0: S
CLK
pin
1: Input port P4
6
Port P4
6
selection bit
0
R W
0
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
0
2
3
0 : G signal output
1 : Port P5
3
output
0
0
Fix these bits to “0.”
R W
R W
R W
R W
0, 1,
7
Port P5
3
output signal
selection bit (G)
4
0 : B signal output
1 : Port P5
4
output
0
R W
Port P5
4
output signal
selection bit (B)
0
R W
0 : R signal output
1 : Port P5
2
output
Port P5
2
output signal
selection bit (R)
5
0 : OUT1 signal output
1 : Port P5
5
output
Port P5
5
output signal
selection bit (OUT1)
6
0 : Port P1
0
output
1 : OUT2 signal output
Port P1
0
output signal
selection bit (OUT2)
0
0
0
Note.
Set bit 0 of Port P1 direction register (address 00C3
16
) to "1" (output mode).
(
Note
)
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