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W741C260

Features: · Operating voltage: 2.2V to 5.5V (LCD drive voltage: 3.0V, or 4.5V)· Operating frequency up to 4 MHz· Crystal/RC oscillation circuit selectable by code option for system clock· 32.768 KHz crystal oscillation circuit for sub -oscillator· High -frequency clock (400 KHz to 4 MHz) or low -f...

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SeekIC No. : 004544934 Detail

W741C260: Features: · Operating voltage: 2.2V to 5.5V (LCD drive voltage: 3.0V, or 4.5V)· Operating frequency up to 4 MHz· Crystal/RC oscillation circuit selectable by code option for system clock· 32.768 KHz...

W741C260 Data Sheet

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Part Number:
W741C260
Supply Ability:
5000

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

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Product Details

Description



Features:

· Operating voltage: 2.2V to 5.5V (LCD drive voltage: 3.0V, or 4.5V)
· Operating frequency up to 4 MHz
· Crystal/RC oscillation circuit selectable by code option for system clock
· 32.768 KHz crystal oscillation circuit for sub    -oscillator
· High    -frequency clock (400 KHz to 4 MHz) or low    -frequency clock (32.768 KHz) for crystal mode;
    selectable by code option
· Memory
    - 2048 ´ 16 bit program ROM (including 2K ´ 4 bit look    -up table)
    - 128 ´ 4 bit data RAM (including 16 working registers)
    - 32 ´ 4 LCD data RAM
· 21 input/output pins
    - Ports for input only: 2 ports/8 pins
    - Input/output ports: 2 ports/8 pins
    - Port for output only: 1 port /4 pins (high sink current to drive LEDs)
    - MFP output pin: 1 pin (MFP)
· Power    -down mode
    - Hold function: no operation (except for oscillator)
    - Stop function: no operation (including main oscillator)
· Five types of interrupts
    - Four internal interrupts (Divider 0, Divider 1, Timer 0, Timer 1)
    - One external interrupt (Port RC)
· LCD driver output
    - 32 segment ´ 4 common
    - Static, 1/2 duty (1/2 bias), 1/3 duty (1/2 or 1/3 bias), 1/4 duty (1/3 bias) driving mode can be selected
    - LCD driver output pins can be used as DC output ports; selectable by code option


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 W741C260 is a high-performance 4-bit microcontroller (mC) with an LCD driver. The device contains a 4-bit ALU, two 8-bit timers, two dividers, a 32 ´ 4 LCD driver, and five 4-bit I/O ports (including 1 output port to drive the LEDs). There are also five interrupt sources and 8-level subroutine nesting for interrupt applications. The W741C260 has two power reduction modes, hold mode and stop mode, which help to minimize power dissipation.

The W741C260 has two oscillator circuits and can work in dual-clock or single-clock operation mode. It is suitable for remote controllers, watches and clocks, speech synthesis LSI controllers, hand-held games and other products.




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