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EM73461A

ELAN Microelectronics Corp
Part Number EM73461A
Manufacturer ELAN Microelectronics Corp
Description 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
Published Apr 2, 2005
Detailed Description EM73461A 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT inary Prelim GENERAL DESCRIPTION EM73461A is an advanced single chip CM...
Datasheet PDF File EM73461A PDF File

EM73461A
EM73461A

Overview
EM73461A 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT inary Prelim GENERAL DESCRIPTION EM73461A 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.
EM73461A also contains 6 interrupt sources, 1 input port, 2 bidirection ports, LCD display (32x4), and one high speed timer/counter with melody output.
EM73461A 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 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...


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