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參數資料
型號: W921C400
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-Bit Microcontroller(4位的微控制器)
中文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDIP28
封裝: DIP-28
文件頁數: 6/53頁
文件大小: 399K
代理商: W921C400
W921E400A/W921C400
- 6 -
4. PIN DESCRIPTION
SYMBOL
I/O
FUNCTION
OSCI
I
Main oscillator input pin with internal capacitor
OSCO
P2.0 to P2.1
O
Main oscillator output pin
I/O
1
I/O port 2 with large sink current
P3.0/ANI0 to
P3.3/ANI3
I/O
I/O port 3 or analog input (ANI0 to ANI3) pins
P4.2
I/O
&
I/O pin P4.2 or the input pin of interrupt port
P4.3/INT0
I/O
&
I/O pin P4.3 or INT0 input pin
P5.1/TM2
I/O
I/O pin P5.1 or the controlled pin of timer2
P6.0/WDATA
I/O
&
I/O pin P6.0 or the data output pin of serial interface
P6.1/WCLK
I/O
&
I/O pin P6.1 or the clock I/O pin of WDATA
P6.2/RDATA
I/O
&
I/O pin P6.2 or the data input pin of serial interface
P6.3/RCLK
I/O
&
I/O pin P6.3 or the clock I/O pin of RDATA
PA.0 to PA.3
I/O
&
I/O port A with wake up stop mode function
PB.0 to PB.3
I/O
&
I/O port B with wake up stop mode function
DTMF
O
Dual tone multi-frequency output pin
BTG
O
Beep tone generator output pin
RESET
V
DD
I
Reset input pin with low active
I
Positive power supply input pin
V
SS
I
Negative power supply input pin
Notes:
1
open drain option by software
&
open drain and pull high resistor option by software
相關PDF資料
PDF描述
W921C840 4-Bit Microcontroller(4位微控制器)
W921E840A 4-Bit Microcontroller(4位微控制器)
W921E843A 4-BIT MICROCONTROLLER
W921C880 4-Bit Microcontroller(4位微控制器)
W921E880A 4-Bit Microcontroller(4位微控制器)
相關代理商/技術參數
參數描述
W921C840 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller
W921C880 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller
W921E400 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E400A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E840 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER