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EM73469A - 4-BIT MICRO-CONTROLLER

Description

EM73469A is an advanced single chip CMOS 4-bit micro-controller.

It contains 4K-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 : 1.2V to 1.8V. : Dual clock system. Low-frequency oscillator is Crystal or RC oscillator (32K Hz, connect an external resistor) by mask option and high-frequency oscillator is RC oscillator (connect an external resistor). Instruction set : 109 powerful instructions. Instruction cycle time : Up to 2us for 4 MHz (high speed clock). 122 µs or 244µs by frequency double mask option for 32768 Hz (low speed clock). ROM capacity : 4096 X 8 bits. RAM ca.

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Datasheet Details

Part number EM73469A
Manufacturer ELAN Microelectronics Corp
File Size 188.73 KB
Description 4-BIT MICRO-CONTROLLER
Datasheet download datasheet EM73469A Datasheet
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EM73469A 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT inary Prelim GENERAL DESCRIPTION EM73469A is an advanced single chip CMOS 4-bit micro-controller. It contains 4K-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. EM73469A also contains 6 interrupt sources, 1 input port, 2 bidirection ports, LCD display (32x4), and one high speed timer/counter with melody output. EM73469A has plentiful operating modes (SLOW, IDLE, STOP) intended to reduce the power consumption. FEATURES • Operation voltage • Clock source : 1.2V to 1.8V. : Dual clock system.
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