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: 89/127页
文件大小: 1897K
代理商: M37225ECSP
63
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
The horizontal display start position is common to all blocks, and can
be set in 64 steps (where 1 step is 4TOSC, TOSC being the OSD
oscillation cycle) as values “0016” to “3F16” in the block H register
(address 00E016). The block H register is shown in Figure 8.10.13.
Fig. 8.10.13 Block H Register
b7b6b5b4b3b2b1b0
Horizontal position register (HP) [Address 00E016]
B
Name
Functions
Block H Register
Control bits of horizontal
display start positions
(BHP0 to BHP5)
(See note 1)
0
to
5
Note: The setting value synchronizes with the VSYNC.
6, 7 Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
After reset RW
0R W
0R —
Horizontal display start positions = Tdef1 + 4TOSC n
(n: setting value, Tdef1: 31TOSC,
TOSC: OSD oscillation cycle)
Fig. 8.10.12 Notes on Vertical Display Start Position
Nv
:Value of block V register i
(decimal)
Hdef :17H
VSYNC
(When setting “0116” to block i V register, vertical display start position for each mode)
screen
HSYNC
Hdef
NV
1
2
3
17
18
OSD mode
BUTTON mode
Vertical display start position
When bits 0 and 1 of OSD I/O polarity register (address 00EB16) are “1” (negative polarity)
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