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參數(shù)資料
| 型號： | MSM6442-XXGS-K |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 147K |
| 代理商： | MSM6442-XXGS-K |
4/12
MSM6442
Semiconductor
PIN DESCRIPTIONS
Testing pin 1 (open)
Symbol
Type
Description
P0.0 to P0.3
P1.0 to P1.3
P3.0 to P3.3
I/O
Pseudobidirectional configuration input-output ports
(P1.0 is also used as count input CIN)
P4.0 to P4.3
I/O
Pseudobidirectional configuration input-output port
SEG1 to SEG16
O
LCD segment output (can be assigned to data output in 4 bits)
COM1
O
LCD common output 1
LCD common output 2
INT
I
External interrupt input pin
INTOUT
O
Interrupt request output pin
RESET
I
Reset input pin
RESOUT
O
Reset output pin
BZ
O
2048 Hz pulse output pin for buzzer
OSC0
I
Crystal or ceramic resonator connection (system clock)
XT
I
32.768 kHz crystal oscillator connection
(reference clock used for LCD control)
TEST1
—
Testing pin 2 (open) (connected to VDD)
Testing pin 3 (open)
VDD
I
Power supply (5 V)
LCDGND
I
Negative power supply for LCD
VM
I/O
(VDD–LCDGND)/2 supply voltage output or supply voltage input
GND
I
Power supply (0 V)
O
SEG17 to SEG46
LCD segment output
COM2
OSC1
XT
O
TEST2
—
TEST3
—
Pin
28 to 31
11 to 14
33 to 48
80
21
17
20
18
19
16
5
23
32
79
2
3
49 to 78
1
15
4
22
6
24 to 27
7 to 10
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PDF描述 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MSM64431 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in 8-Bit A/D Converter 4-Bit Microcontroller |
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| MSM64481-014GS-2K-H | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in 512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM64481-014GS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Built-in 512-Bit EEPROM and LCD Driver 4-Bit Microcontroller |
| MSM64P155 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:4-Bit Microcontroller with Built-in LCD Driver and Melody Circuit |
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