STK55C324 datasheet(1/24 Pages) ETC

No de pièce	STK55C324

Description	LCD Controller

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Fabricant	ETC [List of Unclassifed Manufacturers]

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LCD Controller

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Issue date: 13 August, 1999

Syntek Semiconductor Co., Ltd.

STK55C324

Specification

1. FEATURES :

* Operating voltage : 2.5V – 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

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