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參數(shù)資料
| 型號： | M38220MBFS |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | 3-state hex inverting buffer - Description: Hex Inverting Buffer (3-State) ; Logic switching levels: CMOS ; Number of pins: 16 ; Output drive capability: -10/+20 mA @ 15 V ; Power dissipation considerations: Low Power or Automotive Applications ; Propagation delay: 25@15V ns; Voltage: 5 Volts + |
| 中文描述： | 單芯片8位CMOS微機 |
| 文件頁數(shù)： | 28/78頁 |
| 文件大小： | 998K |
| 代理商： | M38220MBFS |
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34
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3822 Group
MITSUBISHI MICROCOMPUTERS
LCD DRIVE CONTROL CIRCUIT
The 3822 group has the built-in Liquid Crystal Display (LCD) drive
control circuit consisting of the following.
qLCD display RAM
qSegment output enable register
qLCD mode register
qSelector
qTiming controller
qCommon driver
qSegment driver
qBias control circuit
A maximum of 32 segment output pins and 4 common output pins
can be used.
Up to 128 pixels can be controlled for LCD display. When the LCD
Fig. 32 Structure of segment output enable register and LCD mode register
enable bit is set to “1” after data is set in the LCD mode register,
the segment output enable register and the LCD display RAM, the
LCD drive control circuit starts reading the display data automati-
cally, performs the bias control and the duty ratio control, and
displays the data on the LCD panel.
Table 11 Maximum number of display pixels at each duty ratio
Duty ratio
Maximum number of display pixel
64 dots
or 8 segment LCD 8 digits
96 dots
or 8 segment LCD 12 digits
128 dots
or 8 segment LCD 16 digits
2
3
4
LCD mode register
(LM : address 003916)
Segment output enable register
(SEG : address 003816)
Duty ratio selection bits
0 0 : Not used
0 1 : 2 (use COM0, COM1)
1 0 : 3 (use COM0–COM2)
1 1 : 4 (use COM0–COM3)
Bias control bit
0 : 1/3 bias
1 : 1/2 bias
LCD enable bit
0 : LCD OFF
1 : LCD ON
Not used (returns “0” when read)
(Do not write “1” to this bit)
LCD circuit divider division ratio selection bits
0 0 : Clock input
0 1 : 2 division of clock input
1 0 : 4 division of clock input
1 1 : 8 division of clock input
LCDCK count source selection bit (Note)
0 : f(XCIN)/32
1 : f(XIN)/8192 (or f(XCIN)/8192 in low-speed
mode)
Note: LCDCK is a clock for a LCD timing controller.
Segment output enable bit 0
0 : Input port P34–P37
1 : Segment output SEG12–SEG15
Segment output enable bit 1
0 : I/O port P00,P01
1 : Segment output SEG16, SEG17
Segment output enable bit 2
0 : I/O port P02–P07
1 : Segment output SEG18–SEG23
Segment output enable bit 3
0 : I/O port P10,P11
1 : Segment output SEG24, SEG25
Segment output enable bit 4
0 : I/O port P12
1 : Segment output SEG26
Segment output enable bit 5
0 : I/O port P13–P17
1 : Segment output SEG27–SEG31
Not used (returns “0” when read)
(Do not write
“1” to this bit.)
b7b0
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PDF描述 |
|---|---|
| M38220MBHP | Hex inverting Schmitt trigger - Description: Hex Inverting Schmitt-Trigger ; Logic switching levels: CMOS ; Number of pins: 14 ; Output drive capability: +/- 2.4 mA @ 15 V ; Power dissipation considerations: Low Power or Automotive Applications ; Propagation delay: 30@15V ns; Voltage: 4.5-15.5 V |
| M38220MBHXXXGP | Hex inverting Schmitt trigger - Description: Hex Inverting Schmitt-Trigger ; Logic switching levels: CMOS ; Number of pins: 14 ; Output drive capability: +/- 2.4 mA @ 15 V ; Power dissipation considerations: Low Power or Automotive Applications ; Propagation delay: 30@15V ns; Voltage: 4.5-15.5 V |
| M38220MBHXXXHP | Hex inverting Schmitt trigger - Description: Hex Inverting Schmitt-Trigger ; Logic switching levels: CMOS ; Number of pins: 14 ; Output drive capability: +/- 2.4 mA @ 15 V ; Power dissipation considerations: Low Power or Automotive Applications ; Propagation delay: 30@15V ns; Voltage: 4.5-15.5 V |
| M38220MBMXXXFS | Quadruple 2-input NAND gate - Description: Quad 2-Input NAND Gate ; Logic switching levels: CMOS ; Number of pins: 14 ; Output drive capability: +/- 2.4 mA @ 15 V ; Power dissipation considerations: Low Power or Automotive Applications ; Propagation delay: 20@15V ns; Voltage: 4.5-15.5 V |
| M38220MBMXXXGP | Quadruple 2-input NAND gate - Description: Quad 2-Input NAND Gate ; Logic switching levels: CMOS ; Number of pins: 14 ; Output drive capability: +/- 2.4 mA @ 15 V ; Power dissipation considerations: Low Power or Automotive Applications ; Propagation delay: 20@15V ns; Voltage: 4.5-15.5 V |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M38220MB-FS | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38220MBGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38220MB-GP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38220MBHFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38220MBHFS | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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