參數(shù)資料
型號(hào): M37161M8-XXXFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO42
封裝: 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件頁數(shù): 82/129頁
文件大?。?/td> 1092K
代理商: M37161M8-XXXFP
Rev.1.00
2003.11.25
page 56 of 128
M37161M8/MA/MF-XXXSP/FP,M37161EFSP/FP
The vertical display start position is determined by counting the hori-
zontal sync signal (HSYNC). At this time, when VSYNC and HSYNC are
positive polarity (negative polarity), the count starts at the rising edge
(falling edge) of HSYNC signal after the fixed cycle of the rising edge
(falling edge) of VSYNC signal. So the interval from the rising edge
(falling edge) of VSYNC signal to the rising edge (falling edge) of HSYNC
signal needs enough time (2 machine cycles or more) to avoid jitter.
The polarity of HSYNC and VSYNC signals can select with the I/O po-
larity control register (address 00D816).
Fig. 8.10.7 Supplement Explanation for Display Position
When bits 0 and 1 of the I/O polarity control register
(address 00D816) are set to “1” (negative polarity)
VSYNC signal input
VSYNC control
signal in
microcomputer
0.25 to 0.50 [
s]
( at f(XIN) = 8MHz)
Period of counting
HSYNC signal
(See 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 VSYNC 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.
3 : The pulse width of VSYNC and HSYNC needs 8 machine cycles or
more.
8 machine cycles
or more
8 machine cycles
or more
相關(guān)PDF資料
PDF描述
M37161MF-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
M37161EFSP 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP42
M37161MA-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
M37161M8-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37161M8-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37161MA-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37161MA-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37161MF-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37161MF-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER