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OverviewEPF011A/EPF011C/EPF011D is a low cost high performance Micro Controller. The chip integrates 80515 core, 64KB embedded Flash, 256 + 2KB 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.
On-chip 80515 core with 64K bytes Flash, 256 bytes Direct RAM and 2K 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 2 external interrupts Supports keyboard interrupt on 4 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 USB 1.1 which supports end-pint 0, 1 and 2 On-chip Consumer Infra-Red Remote Receiver (CIR) which supports NEC and Phillips RC-5 protocols EPF011A supports 9 General Purpose I/O Ports (total 44 I/O pins). Among them, 6 ports are open-drain programmable and 2 ports has 20 mA sink capability. All I/O ports are 5V tolerant. EPF011D supports 9 General Purpose I/O Ports (total 31 I/O pins). Among them, 6 ports are open-drain programmable and 2 ports has 20 mA sink capability. All I/O ports are 5V tolerant. EPF011C supports 7 General Purpose I/O Ports (total 14 I/O pins). Among them, 4 ports are open-drain programmable and 1 ports has 20 mA sink capability. All I/O ports 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 (Pb-Free) for EPF011A, 48-pin LQFP package (Pb-Free) for EPF011D, 24-Pin SSOP (Pb-Free) for EPF011C