参数资料
型号: M37221M8-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 7/114页
文件大小: 1653K
代理商: M37221M8-XXXSP
103
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4/M8/MA–XXXSP, M37221M6–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Address 00EA16
Addresses 00EC16
b7 b6 b5 b4 b3 b2 b1 b0
OSD control register (CC) [Address 00EA16]
B
Name
Functions
After reset R W
OSD Control Register
0
All-blocks display control
bit (CC0)
(See note)
0 : All-blocks display off
1 : All-blocks display on
0
1
Block 1 display control bit
(CC1)
0 : Block 1 display off
1 : Block 1 display on
0
2
0 : Block 2 display off
1 : Block 2 display on
0
3
to
6
0
Note: Display is controlled by logical product (AND) between the all-blocks display
control bit and each block control bit.
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
Block 2 display control bit
(CC2)
RW
R —
7
0 : P10
1 : OUT2
0
P10/OUT2 pin switch bit
(CC7)
RW
b7 b6 b5 b4 b3 b2 b1 b0
OSD port control register (CRTP) [Address 00EC16]
B
Name
Functions
After reset R W
OSD Port Control Register
0
HSYNC input polarity
switch bit (HSYC)
0 : Positive polarity input
1 : Negative polarity input
0
10 : Positive polarity input
1 : Negative polarity input
0
2
R/G/B output polarity switch
bit (R/G/B)
0 : Positive polarity output
1 : Negative polarity output
0
30
4
OUT1 output polarity
switch bit (OUT1)
0 : Positive polarity output
1 : Negative polarity output
0
5
R signal output switch bit
(OP5)
0 : R signal output
1 : MUTE signal output
0
6
G signal output switch
bit(OP6)
0 : G signal output
1 : MUTE signal output
0
7
B signal output switch
bit(OP7)
0 : B signal output
1 : MUTE signal output
0
VSYNC input polarity
switch bit (VSYC)
R W
OUT2 output polarity
switch bit (OUT2)
0 : Positive polarity output
1 : Negative polarity output
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