参数资料
型号: M37274MA-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP52
封装: 0.600 INCH, 1.778 MM PITCH, SHRINK, PLASTIC, DIP-52
文件页数: 82/131页
文件大小: 2049K
代理商: M37274MA-XXXSP
54
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
paramentic
limits
are
subject
to change.
MITSUBISHI MICROCOMPUTERS
Fig. 54. Block Diagram of OSD Circuit
HSYNC VSYNC
RAM for OSD
20 bytes !36 characters !12 lines
Data bus
ROM for OSD
(16 dots ! 20 dots! 256 characters) +
16 dots ! 26 dots! 16 characters)
Shift register 2
16-bit
Shift register 1
16-bit
Clock for OSD
Output circuit
R
G
B
OSD Control circuit
OUT1
OUT2
Control registers for OSD
(address 00CE16)
(address 00CF16)
(addresses 00D016 to 00DB16)
(address 021616)
(address 021716)
(address 021816)
(address 021916)
(address 021B16)
(addresses 021C16 to 021F16)
(addresses 022016 to 023B16)
OSD control register
Horizontal position register
Block control registers
Clock source control register
I/O polarity control register
Raster color register
Extra font color register
Border color register
Window H/L registers
Vertical position registers
Display
oscillation
circuit
OSC1 OSC2
Data slicer clock
Oscillation circuit
XIN
XOUT
Main clock
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