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參數資料
型號: W742C813
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4-BIT, MROM, 3.58 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, QFP-100
文件頁數: 7/56頁
文件大小: 455K
代理商: W742C813
W742E/C813
Publication Release Date: December 2000
- 7 -
Revision A1
Pin Description, continued
SYMBOL
I/O
FUNCTION
RES
V
PP
I
System reset pin with internal pull-high resistor.
V
PP
: supply programming voltage, without internal pull-high
resistor for electrical erasable EPROM type for avoiding high
voltage programming damage
SEG0
SEG31
COM0
COM15
O
LCD segment output pins.
O
LCD common signal output pins.
The LCD alternating frequency can be selected by code option.
SEG32
SEG39
(K00
K03, K10
K13)
CP, CN
O
LCD segment output pins or DC N-MOS open drain output pins
selected by code option.
I
Connection terminals for LCD voltage doubler capacitor (0.1
μ
F),
tuning the capacitor value can reduce the LCD driving current.
VLCD1
I
LCD supply voltage input or connect capacitor (0.1
μ
F) to ground
when enable internal pump LCD voltage
V
DD
I
Positive power supply (+).
V
SS
I
Negative power supply (-).
相關PDF資料
PDF描述
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