参数资料
型号: M37225ECSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 80/127页
文件大小: 1897K
代理商: M37225ECSP
55
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37225M6/M8/MA/MC–XXXSP
M37225ECSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Fig. 8.10.2 Block Diagram of OSD Circuit
Display
ocsillation
circuit
OSC1
HSYNC VSYNC
OSD RAM
15 bits 24 characters
2 lines
Data bus
OSD ROM
16 dots 20 dots
381 characters
Shift register
Main clock
XIN
Clock for OSD
Output circuit
R
G
B
OSD control circuit
OUT1
Control registers for OSD
OSD port control register
Interrupt input polarity register
Block H register
Block i V register
SPRITE control register
SPRITE H register
SPRITE V register
Color register i
OSD control register
OSD I/O polarity register
Block i control register
Left border register
Right border register
Top border register
Bottom border register
(Address 00CB16)
(Address 00CD16)
(Address 00E016)
(Addresses 00E116, 00E216)
(Address 00E316)
(Address 00E416)
(Address 00E516)
(Addresses 00E616 to 00E916,
00EC16 to 00EF16)
(Address 00EA16)
(Address 00EB16)
(Addresses 00F916, 00FA16)
(Address 024016)
(Address 024116)
(Address 024516)
(Address 024616)
OUT2
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