參數(shù)資料
型號(hào): M37151MA-XXXFP
廠商: Renesas Technology Corp.
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): 89/139頁
文件大小: 1491K
代理商: M37151MA-XXXFP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP
MITSUBISHI MICROCOMPUTERS
88
Rev 1.0
8.11.13 OSD Output Pin Control
The OSD output pins R, G, B and OUT can also function as ports
P5
2
–P5
5
. Set the corresponding bit of the OSD port control register
(address 00CB
16
) to “0” to specify these pins as OSD output pins, or
to “1” to specify as the general-purpose port P5.
The input polarity of the H
SYNC
and V
SYNC
, and the output polarity of
signals R, G, B, OUT can be specified with the I/O polarity control
register (address 00D8). Set bits to “0” to specify positive polarity;
“1” to specify negative polarity (refer to Figure 8.11.14).
The structure of the OSD port control register is shown in Figure
8.11.29.
Fig. 8.11.29 OSD Port Control Register
1
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
0
3
0 : G signal output
1 : Port P5
3
output
0
0
Fix these bits to
0.
Fix this bit to
1.
Fix this bit to
0.
R
R W
R W
R W
W
0, 1
Port P5
3
output signal
selection bit (PF3)
4
0 : R signal output
1 : Port P5
4
output
0
R W
Port P5
4
output signal
selection bit (PF4)
0
R W
0 : B signal output
1 : Port P5
2
output
Port P5
2
output signal
selection bit (PF2)
5
0 : OUT signal output
1 : Port P5
5
output
Port P5
5
output signal
selection bit (PF5)
7
0
0
Indeterminate
6
0
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