參數(shù)資料
型號(hào)： M37212M4-XXXSP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, MICROCONTROLLER, PDIP52
封裝： 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-52
文件頁(yè)數(shù)： 15/119頁(yè)
文件大小： 1308K
代理商： M37212M4-XXXSP
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111
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
M37212EFSP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Address 00ED16
Addresses 00EE16
b7b6b5b4b3b2b1b0
CRT clock selection register (CK) [Address 00ED16]
BNameFunctionsAfter 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 P36 and P37 respectively.
The clock for OSD is supplied by connecting the
following across the pins OSC1 and OSC2.
a ceramic resonator only for OSD and a feedback
resistor
a quartz-crystal oscillator only for OSD and a
feedback resistor (See note)
2 to 7
0
b1
The clock for display is supplied by connecting RC
or LC across the pins OSC1 and OSC2.
Functions
00
b0
OSD oscillation
frequency
= f(XIN)
OSD oscillation
frequency
= f(XIN)/1.5
Note: It is necessary to connect other ceramic resonator or quartz-crystal oscillator across the pins X
0
1
11
Fix these bits to “0.”
IN
and XOUT.
R W
b7b6b5b4b3b2b1b0
A-D mode register (ADM) [Address 00EE16]
B
After reset RW
A-D Mode Register
0
to
2
Analog input pin selection
bits
(ADM0 to ADM2)
NameFunctions
b2 b1 b0
0
0 : A-D1
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
0 : A-D7
1
1 : A-D8
4
Storage bit of comparison
result (ADM4)
0: Input voltage < reference voltage
1: Input voltage > reference voltage
0
Indeterminate
0
3This bit is a write disable bit.
When this bit is read out, the value is “0.”
RW
R
R —
0
5
to
7
Nothing is assigned. This bits are write disable bits.
When these bits are read out, the values are “0.”
R —
—
相關(guān)PDF資料
PDF描述
M37212EFSP 8-BIT, OTPROM, MICROCONTROLLER, PDIP52
M37221EF-XXXSP 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP42
M37221EFSP 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP42
M37221M6-XXXFP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDSO42
M37221M6-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37212M6-XXXFP 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
M37212M6-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
M37212M6-XXXSP/FP 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
M37212M8-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
M37220M3 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
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