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參數(shù)資料
| 型號： | M37224M3 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Single Chip 8 Bits Microcomputer(8位單片機) |
| 中文描述： | 單芯片8位單片機（8位單片機） |
| 文件頁數(shù)： | 76/83頁 |
| 文件大小： | 901K |
| 代理商： | M37224M3 |
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M37224M3-XXXSP
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
76
b7 b6 b5 b4 b3 b2 b1 b0
CRT clock selection register (CK) [Address 00ED
B
Name
Functions
After reset R W
CRT Clock Selection Register
0, 1 CRT clock
selection bits
(CK0,CK1)
0
Since the main clock is used as the clock for
display, the oscillation frequency is limited.
Because of this, the character size in width
(horizontal) direction is also limited. In this
case, pins OSC1 and OSC2 are also used
as input ports P3
3
and P3
4
respectively.
The clock for display is supplied by connecting the
following across the pins OSC1 and OSC2.
a ceramic resonator only for CRT display and a feedback resistor
a quartz-crystal oscillator only for CRT display and a feedback
resistor (Note)
2
to
7
0
0
0
0
0
0
0
b1
0
The clock for display is supplied by connecting RC
or LC across the pins OSC1 and OSC2.
Functions
0
b0
CRT oscillation
frequency
= f(X
IN
)
CRT oscillation
frequency
= f(X
IN
)/1.5
Note:
It is necessary to connect other ceramic resonator or quartz-crystal oscillator across the pins X
0
0
1
1
1
1
Fix these bits to “0.”
IN
and X
OUT
.
16
]
R W
R W
CRT Clock Selection Register
A-D Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
A-D control register 1 (AD1) [Address 00EE
16
]
B
After reset
R W
A-D Control Register 1
0
to
2
Analog input pin selection
bits
(ADM0 to ADM2)
Name
Functions
b2 b1 b0
0 0 0 : A-D1
0 0 1 : A-D2
0 1 0 : A-D3
0 1 1 : A-D4
1 0 0 : A-D5
1 0 1 : A-D6
1 1 0 :
1 1 1 :
4
Storage bit of comparison
result (ADM4)
0:
Input voltage < reference voltage
1:
Input voltage > reference voltage
0
Indeterminate
0
Do not set.
3,
5
to
7
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
R W
R —
R —
Address 00ED
16
Address 00EE
16
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M37224M3-050SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37224M3-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37225ECSP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37225M6 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37225M8 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
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