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参数资料
| 型号： | M37207EFFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件页数： | 68/121页 |
| 文件大小： | 1907K |
| 代理商： | M37207EFFP |
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MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
50
The display position in the vertical direction is determined by count-
ing the horizontal sync signal (HSYNC). At this time, when VSYNC and
HSYNC are positive polarity (negative polarity), it starts to count the
rising edge (falling edge) of HSYNC signal from after fixed cycle of
rising edge (falling edge) of VSYNC signal. So interval from rising edge
(falling edge) of VSYNC signal to rising edge (falling edge) of HSYNC
signal needs enough time (2 machine cycles or more) for avoiding
jitter. The polarity of HSYNC and VSYNC signals can select with the
CRT port control register (address 00EC16).
Fig. 48. Vertical Position Register i
Fig. 47. Supplement Explanation for Display Position
When bits 0 and 1 of the CRT port control register
(address 00EC16) are set to “1” (negative polarity)
VSYNC signal input
VSYNC control
signal in
microcomputer
0.125 to 0.50 [
s]
( at f(XIN) = 8MHz)
Period of counting
HSYNC signal
(Note 2)
HSYNC
signal input
Not count
12345
Notes 1 : The vertical position is determined by counting falling edge of HSYNC
signal after rising edge of V SYNC control signal in the microcomputer.
2 : Do not generate falling edge of HSYNC signal near rising edge of
VSYNC control signal in microcomputer to avoid jitter.
8 machine cycles
or more
8 machine cycles
or more
b7 b6 b5 b4 b3 b2 b1 b0
Vertical position register i (CVi) (i = 1 to 3) [Addresses 00E116 to 00E316]
B
Name
Functions
After reset
R W
Vertical Position Register i
0
to
6
7
Vertical display start positions
128 steps (0016 to 7F16)
Indeterminate
0
(CVi : CVi0 to CVi6)
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
RW
R—
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| MC68HC05K0DWR3 | 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDSO16 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M37207EFSP | 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 and ON-SCREEN DISPLAY CONTROLLER |
| M37207M8 | 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 and ON-SCREEN DISPLAY CONTROLLER |
| M37207M8-059SP | 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 and ON-SCREEN DISPLAY CONTROLLER |
| M37207M8-XXXSP | 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 and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF | 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 and ON-SCREEN DISPLAY CONTROLLER |
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