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W742E811

Features: ` Operating Voltage - 2.4V 5.5V for mask type - 2.4V 4.8V for electrical erasable EPROM type` Dual -clock Operation` Main Oscillator - 3.58 MHz or 400 KHz can be selected by code option - Crystal or RC oscillator can be selected by code option` Sub -oscillator - Connect to 32.768 KHz c...

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SeekIC No. : 004544948 Detail

W742E811: Features: ` Operating Voltage - 2.4V 5.5V for mask type - 2.4V 4.8V for electrical erasable EPROM type` Dual -clock Operation` Main Oscillator - 3.58 MHz or 400 KHz can be selected by code option ...

W742E811 Data Sheet

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Part Number:
W742E811
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/20

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Product Details

Description



Features:

` Operating Voltage
    - 2.4V 5.5V for mask type
    - 2.4V 4.8V for electrical erasable EPROM type
` Dual    -clock Operation
` Main Oscillator
    - 3.58 MHz or 400 KHz can be selected by code option
    - Crystal or RC oscillator can be selected by code option
` Sub    -oscillator
    - Connect to 32.768 KHz crystal only
` Memory
    - 16384(16K) x 16 bit program ROM (including 64K x 4 bit look    -up table)
    - 5120(5K) x 4 bit data RAM (including 16 nibbles x 16 pages working registers)
    - 40 x 16 LCD data RAM
` 40 Input/Output Pins
    - Port for input only: 3 ports/12 pins
    - Input/output ports: 3 ports/12 pins
    - High sink current output port for LED driving: 2 port /8 pins
    - DC output port: 2 ports/ 8 pins (selected by code option)
` Power    -down Mode
    - Hold mode: no operation (main oscillator and sub    -oscillator still operate)
    - Stop mode: no operation (main oscillator and sub    -oscillator are stopped)
    - Slow mode: main oscillator is stopped, system is operated by the sub    -oscillator (32.768 KHz)


Pinout

Connection Diagram


Specifications

PARAMETER RATING UNIT
Supply Voltage to Ground Potential -0.3 to +7.0 V
Applied Input/Output Voltage -0.3 to +7.0 V
Power Dissipation 120 mW
Ambient Operating Temperature 0 to +70 °C
Storage Temperature -55 to +150 °C



Description

The W742E/C811 (W742C811 is mask type, W742E811 is electrical erasable EPROM type) is a highperformance 4-bit microcontroller (mC) that built in 640-dot LCD driver. The device contains a 4-bit ALU, two 8-bit timers, two dividers in dual-clock operation, a 40 ´ 16 LCD driver, ten 4-bit I/O ports (including 2 output port for LED driving), multiple frequency output, and one channel DTMF generator. There are also eleven interrupt sources and 16-level stack buffer. The W742E/C811 operates on very low current and has three power reduction modes, hold mode, stop mode and slow mode, which help to minimize power dissipation.




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