EM73P461A 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT inary Prelim GENERAL DESCRIPTION EM73P461A is an advanced single chip CMOS 4-bit one-time programming (OTP) micro-controller.
It contains 4K/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.
EM73P461A also contains 6 interrupt sources, 1 input port, 2 bidirection ports, LCD display (32x4), and one high speed timer/counter with melody output.
EM73P461A 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 Crys...

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