EM6620 - EM Microelectronic

EM6620 Ultra-low power microcontroller

The EM6620 is an advanced single chip CMOS 4bit microcontroller. It contains ROM, RAM, power on reset, watchdog timer, oscillation detection circuit, 10 bit up/down counter, Millisecond counter, prescaler, voltage level detector (SVLD), compare input, frequency output, LCD driver and several clock functions. The low voltage feature and low power consumption .

Features

• Low Power - 2.1 µA active mode, LCD On - 0.5 µA standby mode, LCD Off - 0.1 µA sleep mode @ 1.5V, 32kHz, 25°C Low Voltage - 1.2 to 3.6 V SVLD - metal mask programmable (2.0V) ROM - 1280 × 16 bits RAM - 64 × 4 bits 2 clocks per instruction cycle 72 basic instructions Oscillation supervisor Timer watchdog (2 sec) Max. 8 inputs ; port A, port B max. 4 outputs ; port B LCD 8 segments, 3 or 4 times multiplexed Universal 10-bit counter, PWM, event counter Prescaler down to 1 Hz (crystal = 32 KHz) 1/1000 sec, 12 bit binary coded decimal counter with hard or software start/stop function Frequency ou.