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STK55C324 Datasheet

  • STK55C324

  • LCD Controller

  • 24頁

  • ETC

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Syntek Semiconductor Co., Ltd.
Specification
1. FEATURES :
STK55C324
* Operating voltage : 2.5V 鈥?5.5 V.
* Maximum CPU operating frequency : 2MHz at 2.7V
* Dual oscillators :
- RC or 32.768 KHz crystal oscillator for LCD display and watch timer.
- RC oscillator for system clock.
* 40 segments and 8 commons output for LCD driver.
- 1/4 bias, 1/8 duty and 64Hz frame frequency.
- 16 levels contrast control.
* I/O port.
- 8 I/O pins with selectable wake up interrupt.
- Two output pins. These two pins can be set as sound channel DAC outputs.
* Built in 160 bytes data RAM and 40 bytes display RAM.
* Built in 32K bytes ROM for program.
* One 8-bit timer with 8 predefined input clock.
* Two sound generators with 7-bit D/A output.
* Four interrupt sources :
NMI - 64 Hz interrupt
IRQ1 - Fix-time timer interrupt
IRQ2 - Timer interrupt
IRQ3 - External interrupt
* Code option :
- Built-in 150K OHM pull-up resistors for I/O port.
- RC or 32768Hz crystal oscillation for LCD driver.
2. APPLICATION :
* Calculator
* Hand-held game
* Small instrument
* Toy
LCD Controller
1 /24
Issue date: 13 August, 1999

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