General Description
The EM78569 is an 8-bit RISC type microprocessor with low power, high speed CMOS technology. This integrated single chip has an on_chip watchdog timer (WDT), program ROM, data RAM, LCD driver, programmable real time clock/counter, internal interrupt, power down mode, built-in three-wire SPI, dual PWM(Pulse Width Modulation), 10-bit A/D converter, 10-bit DA converter and tri-state I/O.