EM73962A - ELAN Microelectronics Corp

EM73962A 4-BIT MICROCONTROLLER

EM73962A is an advanced single chip CMOS 4-bit micro-controller. It contains 16K-byte ROM, 372-nibble RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, two 12-bit timer/counters for the kernal function. EM73962A also contains 5 interrupt sources, 3 I/O ports (including 1 input port and 2 bidirection ports), LCD display (40x8), built-in sound g.

Features

• Operation voltage
• Clock source
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• : 2.4V to 5.0V. : Single clock system using RC. oscillator. External clock and internal clock is available by mask option. Oscillation frequency : 480K, 1M, 2M and 4M Hz is available by mask option. Instruction set : 107 powerful instructions. Instruction cycle time : Up to 2us for 4 MHz. ROM capacity : 16384 X 8 bits. RAM capacity : 372 X 4 bits. Input port : 1 port (P0.0-P0.3) and sleep/hold releasing function are available by mask option. (each input pin is pull-up and pull-down resistor available by mask option). Bidirection port : 1.