EPF021J

Part Number:EPF021J

Overview

EPF021J 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, SPI, IIC Slave, IIC Master, 10-bit ADC, USB 1.1, Remote Decoder, Keyboard 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
•Fast CPU rate (24Mhz). 41.6 ns for shortest instruction
•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 6 external interrupts
•Supports keyboard interrupt on 8 GPIO pins.
•On-chip 4 Timers supporting Timer, Pulse Output, Event Counter and Pulse Width Measurement modes
•On-chip 15-bit programmable Watchdog Timer
•On-chip Serial Port which supports Synchronous mode and 8/9-bit UART modes
•On-chip Serial Peripheral Interface (SPI)
•On-chip 4 channels of 8-bit PWM with programmable repetition rate
•On-chip 4 channels of 10-bit ADC
•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 43 General Purpose I/O Pins and most of the I/O pins are 5V tolerant.
•Timer, SPI and ADC pins can be additional GPIO if the associated function is not enabled
•On-chip Low Voltage Inhibit (LVI) circuit which provides reliable power up reset and prevent accidental data loss in Flash
•Single 24 MHz crystal required
•Single 3.3V CMOS design
•64-pin LQFP package (body size 7mm x 7mm) (Pb-Free)

Block Diagram