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參數資料
型號: W741C250
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT Microcontroller(多次可編程4位的微控制器)
中文描述: 4-BIT, MROM, 4.19 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 20 MM, QFP-64
文件頁數: 4/88頁
文件大小: 496K
代理商: W741C250
W741C250
- 4 -
PIN DESCRIPTION
SYMBOL
XIN
I/O
I
FUNCTION
Input pin for oscillator.
Connected to crystal or resistor to generate system clock by code option.
Output pin for oscillator.
Connected to crystal or resistor to generate system clock by code option.
Input/Output port.
Input/output mode specified by port mode 1 register (PM1).
Input/Output port.
Input/output mode specified by port mode 2 register (PM2).
4-bit port for input only.
Each pin has an independent interrupt capability.
4-bit port for input only.
XOUT
O
RA0
RA3
I/O
RB0
RB3
I/O
RC0
RC3
I
RD0
RD3
RE0
RE3
I
O
Output port only.
This port provides high sink current to drive LED.
Output pin only.
This pin can output modulating or nonmodulating frequency, or Timer 1
clock output specified by mode register 1 (MR1).
External interrupt pin with pull-high resistor.
MFP
O
INT
I
RES
SEG0
SEG23
I
System reset pin with pull-high resistor.
O
LCD segment output pins.
Also can be used as DC output ports specified by code option.
LCD common signal output pins.
COM0
COM3
O
Static
COM0
COM1
COM2
COM3
Used
Not Used
1/2 Duty
Not Used
Not Used
Not Used
Not Used
1/3 Duty
Not Used
1/4 Duty
Used
Used
Used
Used
Used
Used
Used
Used
Used
The LCD alternating frequency can be selected by code option.
相關PDF資料
PDF描述
W741C260 4-BIT Microcontroller(多次可編程4位的微控制器)
W741E20X 4-BIT FLASH MICROCONTROLLER
W741E260 4-BIT FLASH MICROCONTROLLER
W741L260 4-BIT MICROCONTROLLER
W742C810 4-BIT MICROCONTROLLER
相關代理商/技術參數
參數描述
W741C260 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W741E200 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
W741E201 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT FLASH MICROCONTROLLER
W741E202 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT FLASH MICROCONTROLLER
W741E203 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT FLASH MICROCONTROLLER