PIC18F252 Flash 28-pin 32kB 40MHz Microcontroller (Microchip)

• 28-pin Low Power Microcontroller
• Flash Program Memory: 32 kbytes
• EEPROM Data Memory: 256 bytes
• SRAM Data Memory: 768 bytes
• I/O Pins: 23
• Timers: One 8-bit / Three 16-bit
• A/D Converter: 10-bit Five Channel
• PWM: 10-bit Two Modules
• SSP: SPI and I²C Master/Slave Support
• AUSART: Addressable Full Duplex Operation
• External Oscillator: up to 40MHz

• High-Performance RISC CPU
  • Source code compatiable with the PIC16 and PIC17 instruction sets
  • Linear program memory addressing to 32 Kbytes
  • DC - 40 MHz osc./clock input
  • 16-bit wide instructions, 8-bitwide data path
  • Priority levels for interrupts
  • 8 x 8 Single Cycle Hardware Multiplier
• Peripheral Features
  • High current sink/source 25 mA/25 mA
  • Three external interrupt pins
  • Two 16-bit timer/counter (TMR1, TMR3)
  • One 8-bit/16-bit timer/counter with prescaler
  • One 8-bit timer/counter with 8-bit period register
  • Capture 16-bit, max. resolution 6.25 ns.(TCY/16)
  • Compare 16-bit, max. resolution 100 ns.
  • 3-wire SPI (supports all 4 SPI modes)
  • I ²C Master and Slave mode
  • Supports RS-485 and RS-232
  • Parallel Slave Port (PSP) module
• Special Microcontroller Features
  • Power-On Reset
  • Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST)
  • Power-On Reset
  • 100,000 erase/write cycle Enhanced FLASH program memory typical
  • 1,000,000 erase/write cycle Data EEPROM memory
  • Self-reprogrammable under software control
  • Watchdog Timer (WDT) with its own On-Chip RC oscillator
  • Programmable code protection
  • Power saving SLEEP mode
  • 4X Phase Lock Loop (of primary oscillator)
  • Secondary Oscillator (32kHz) clock input
  • Single supply 5V In-circuit Serial Programming via two pins
  • In-Circuit Debug (ICD
• Analog Features
  • Compatiable 10-bit Analog-to-Digital Converter module (A/D)
  • Programmable Low Voltage Detection (PLVD)
  • Programmable Brown-out Reset(BOR)
• CMOS Technology
  • Low power, high speed FLSH/EEPROM technology
  • Fully static design
  • Wide operating voltage range (2.0V to 5.5V)
  • Industrial and Extended temperature ranges
  • < 1.6 mA typical @ 5V, 4 MHz

*Image shown is a representation only.