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EM73A88A - 4-BIT MICRO-CONTROLLER

Description

EM73A88A is an advanced single chip CMOS 4-bit micro-controller.

It contains 16K-byte ROM, 500-nibble RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, two 12-bit timer/counters for the kernel function.

Features

  • Operation voltage.
  • Clock source.
  • : 2.2V to 4.8V. : Dual clock system. Low-frequency oscillator is 32 KHz Crystal or RC oscillator and high-frequency oscillator is a built-in internal oscillator (4.6 MHz). Instruction set : 107 powerful instructions. Instruction cycle time : 1.7µs for 4.6M Hz (high speed clock). 244µs for 32768 Hz (low speed clock). ROM capacity : 16K x.

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Datasheet Details

Part number EM73A88A
Manufacturer ELAN Microelectronics Corp
File Size 394.14 KB
Description 4-BIT MICRO-CONTROLLER
Datasheet download datasheet EM73A88A Datasheet

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Full PDF Text Transcription

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EM73A88A 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT inary m i l e r P GENERAL DESCRIPTION EM73A88A is an advanced single chip CMOS 4-bit micro-controller. It contains 16K-byte ROM, 500-nibble RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, two 12-bit timer/counters for the kernel function. EM73A88A also equipped with 6 interrupt sources, 3 I/O ports (including 1 input port and 2 bidirection ports), LCD display (64x16), built-in sound generator and speech synthesizer can direct drive speaker. It's low power consumption and high speed feature are further strengten with DUAL, SLOW, IDLE and STOP operation mode for optimized power saving. FEATURES • Operation voltage • Clock source • • • • • • • • • • • : 2.2V to 4.8V. : Dual clock system.
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