參數(shù)資料
型號(hào)： M37212M8-XXXSP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
中文描述： 單芯片8位CMOS微機(jī)電壓合成
文件頁數(shù)： 70/119頁
文件大?。?/td> 1308K
代理商： M37212M8-XXXSP
70
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
M37212EFSP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8.10.8 OSD Output Pin Control
The OSD output pins R, G, B and OUT1 can also function as ports
P5
2
–P5
5
. Set corresponding bit of the port P5 direction register (ad-
dress 00CB
16
) to “0” to specify these pins as OSD output pins, or set
it to “1” to specify it as a general-purpose port P5.
The OUT2 can also function as port P1
0
. Set bit 0 of the CRT port
control register (address 00EC
16
) to “1” (output mode). After that, set
bit 7 of the CRT port control register to “1” to specify the pin as OSD
output pin, or set it to “0” to specify as port P1
0
.
The input polarity of the H
SYNC
, V
SYNC
and output polarity of signals
R, G, B, OUT1 and OUT2 can be specified with the CRT port control
register (address 00EC) . Set a bit to “0” to specify positive polarity;
set it to “1” to specify negative polarity (refer to Figure 8.11.13).
The CRT port control register is shown in Figure 8.10.17.
Fig. 8.10.17 CRT Port Control Register
7 b
6 b
5 b
4 b
3 b
2 b
1 b
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