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EM73880 - 4-BIT MICRO-CONTROLLER

Description

EM73880 is an advanced single chip CMOS 4-bit micro-controller.

It contains 8K-byte ROM, 244-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.
  • : 2.4V to 3.6V. : Dual clock system. Low-frequency oscillator (32.768 KHz) could be Crystal or RC oscillator high-frequency oscillator is a built-in for 4.6 MHz. Instruction set : 107 powerful instructions. Instruction cycle time : 1.7us for 4.6 MHz (high speed clock). 244 µs for 32768 Hz (low speed clock). ROM capacity : 8192.

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Datasheet Details

Part number EM73880
Manufacturer ELAN Microelectronics Corp
File Size 222.31 KB
Description 4-BIT MICRO-CONTROLLER
Datasheet download datasheet EM73880 Datasheet
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Full PDF Text Transcription

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EM73880 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT inary Prelim GENERAL DESCRIPTION EM73880 is an advanced single chip CMOS 4-bit micro-controller. It contains 8K-byte ROM, 244-nibble RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, two 12-bit timer/counters for the kernel function. EM73880 also contains 6 interrupt sources, 1 input port, 2 bidirection ports, LCD display (32x4), and one high speed timer/counter,sound generator, and speech synthesizer. EM73880 has plentiful operating modes (SLOW, IDLE, STOP) intended to reduce the power consumption. FEATURES • Operation voltage • Clock source • • • • • • • • • • • • : 2.4V to 3.6V. : Dual clock system. Low-frequency oscillator (32.768 KHz) could be Crystal or RC oscillator high-frequency oscillator is a built-in for 4.6 MHz.
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