EM78P860 - ELAN Microelectronics Corp

EM78P860 8 -BIT MICRO-CONTROLLER

The EM78P860 is an 8-bit RISC type microprocessor with low power , high speed CMOS technology . Integrated onto a single chip are on_chip watchdog (WDT) , RAM , ROM , programmable real time clock /counter , internal interrupt , power down mode , LCD driver and tri-state I/O . The EM78P860 provides a single chip solution to design a message display . II. FE.

Features

CPU
• Operating voltage range : 2.5V~5.5V
• 16Kx13 on chip ROM
• 2.8Kx8 on chip RAM
• Up to 32 bi-directional tri-state I/O ports
• 8 Level stack for subroutine nesting
• 8-bit real time clock/counter (TCC)
• Two sets of 8 bit counters can be interrupt sources
• Selective signal sources and with overflow interrupt
• Programmable free running on chip watchdog timer
• 99.9% single instruction cycle commands
• Four modes (internal clock 3.679MHz, external 32.768KHz) 1. Sleep mode : CPU and 3.679MHz clock turn off, 32.768KHz clock turn off 2. Idle mode : CPU and 3.679MHz clock turn off, 32.768KHz .