EPF021M

Part Number:EPF021M

Overview

EPF021M is a low cost high performance Micro Controller. The chip integrates 80515 core, 64KB embedded Flash, 256 + 3KB RAM, Timer, Watchdog Timer, Serial Port, 8-bit PWM, IIC Slave, IIC Master, Remote Decoder, Keyboard Interrupt, External Interrupt and GPIO in a single chip.

Features

•On-chip 80515 core with 64K bytes Flash, 256 bytes Direct RAM and 3K bytes on-chip auxiliary RAM
•Programmable CPU clocks from 24 Mhz to 500 Khz
•Programmable crystal start-up cycles from 0 to 4096 cycles
•Supports Idle mode and Stop mode for power saving.
•Supports crystal/CPU wake-up from Stop mode
•Supports In Circuit Flash programming (ICP)
•Supports 4 external interrupts
•Supports keyboard interrupt on 2 GPIO pins.
•On-chip 4 Timers
•On-chip 15-bit programmable Watchdog Timer
•On-chip Serial Port which supports Synchronous mode and 8/9-bit UART modes
•On-chip 1 channel of 8-bit PWM with programmable repetition rate
•On-chip IIC Master and Slave ports with configurable pin outs
•On-chip Consumer Infra-Red Remote Receiver (CIR) which supports NEC and Phillips RC-5 protocols
•Supports 32 General Purpose I/O Pins and all the I/O pins are 5V tolerant.
•On-chip Low Voltage Inhibit (LVI) circuit which provides reliable power up reset and prevent accidental data loss in Flash
•Single 3.3V CMOS design
•40 QFN package (5mm x 5mm)

Block Diagram