參數(shù)資料
型號(hào)： M37221M6-286SP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
中文描述： 單芯片8位CMOS微機(jī)電壓合成
文件頁(yè)數(shù)： 5/61頁(yè)
文件大?。?/td> 1386K
代理商： M37221M6-286SP
MITSUBISHI MICROCOMPUTERS
M37221M6-XXXSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
5
Output port P5
CRT output
H
SYNC
input
V
SYNC
input
DA output
PIN DESCRIPTION (continued)
P5
2
/R,
P5
3
/G,
P5
4
/B,
P5
5
/OUT1
H
SYNC
V
SYNC
D-A
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.
Ports P5
2
–P5
5
are a 4-bit output port. The output structure is CMOS output.
Pins P5
2
–P5
5
are also used as CRT output pins R, G, B, OUT1 respectively. The output
structure is CMOS output.
This is a horizontal synchronizing signal input for CRT.
This is a vertical synchronizing signal input for CRT.
This is a 14-bit PWM output pin.
Output
Output
Input
Input
Output
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M37221M6H-XXXSP 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
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