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参数资料
| 型号： | M37221EAFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDSO42 |
| 封装： | 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42 |
| 文件页数： | 63/112页 |
| 文件大小： | 1207K |
| 代理商： | M37221EAFP |
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54
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4H/M6H/M8H/MAH–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
8.11 OSD FUNCTIONS
Table 8.11.1 outlines the OSD functions. This microcomputer incor-
porates an OSD control circuit of 24 characters 2 lines. OSD is
controlled by the CRT control register. Up to 256 kinds of characters
can be displayed. The colors can be specified for each character and
up to 4 kinds of colors can be displayed on one screen. A combina-
tion of up to 8 colors can be obtained by using each output signal (R,
G, and B).
Characters are displayed in a 12 16 dots configuration to obtain
smooth character patterns (refer to Figure 8.11.1).
The following shows the procedure how to display characters on the
CRT screen.
Write the display character code in OSD RAM.
Specify the display color by using the color register.
Write the color register in which the display color is set in OSD
RAM.
{ Specify the vertical position by using the vertical position register.
Specify the character size by using the character size register.
Specify the horizontal position by using the horizontal position
register.
~ Write the display enable bit to the designated block display flag of
the CRT control register. When this is done, the OSD starts ac-
cording to the input of the VSYNC signal.
Table 8.11.1 Features of Each Display Mode
Number of display characters
24 characters 2 lines
Dot structure
12 16 dots
Kinds of characters
256 kinds
Kinds of character sizes
3 kinds
Attribute
Border (black)
Character font coloring
1 screen : 8 kinds (per character unit)
Character background coloring
1 screen : 8 kinds (per character unit)
OSD output
R, G, B
Display position
Horizontal: 64 levels, Vertical: 128 levels
Display expansion (multiline display)
Possible
Parameter
Functions
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37221EASP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221EF | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221EFSP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37221M4H | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
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