參數(shù)資料
型號： M37271MF-220SP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
中文描述： 單芯片8位CMOS微機(jī)隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù)： 7/97頁
文件大小： 1436K
代理商： M37271MF-220SP
MITSUBISHI MICROCOMPUTERS
M37271MF-XXXSP
M37271EF-XXXSP, M37271EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
7
Input
Input
Output
Output
Input
Input
Input
Input
Input
Input port
Clock input for OSD
Clock output for OSD
Sub-clock output
Sub-clock input
I/O for data slicer
H
SYNC
input
V
SYNC
input
PIN DESCRIPTION (continued)
P6
3
/OSC1/
X
CIN
,
P6
4
/OSC2/
X
COUT
CV
IN
V
HOLD
RVCO
HLF
H
SYNC
V
SYNC
Ports P6
3
and P6
4
are 2-bit input port.
P6
3
pin is also used as OSD clock input pin OSC1.
P6
4
pin is also used as OSD clock output pin OSC2. The output structure is CMOS output.
P6
4
pin is also used as sub-clock output pin X
COUT
. The output structure is CMOS output.
P6
3
pin is also used as sub-clock input pin X
CIN
.
Input composite video signal through a capacitor.
Connect a capacitor between V
HOLD
and V
SS
.
Connect a resistor between RVCO and V
SS
.
Connect a filter using of a capacitor and a resistor between HLF and V
SS
.
This is a horizontal synchronizing signal input for OSD.
This is a vertical synchronizing signal input for OSD.
Note :
As shown in the memory map (Figure 3), port P0 is accessed as a memory at address 00C0
16
of zero page. Port P0 has the port P0
direction register (address 00C1
16
of zero page) which can be used to program each bit as an input (“0”) or an output (“1”). The pins
programmed as “1” in the direction register are output pins. When pins are programmed as “0,” they are input pins. When pins are
programmed as output pins, the output data are written into the port latch and then output. When data is read from the output pins, the
output pin level is not read but the data of the port latch is read. This allows a previously-output value to be read correctly even if the
output “L” voltage has risen, for example, because a light emitting diode was directly driven. The input pins are in the floating state, so the
values of the pins can be read. When data is written into the input pin, it is written only into the port latch, while the pin remains in the
floating state.
相關(guān)PDF資料
PDF描述
M37271MF-231SP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37271MF-231SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37271MF-252SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37271MF-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37272 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37272E8FP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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