PIC18F252 28-pin 32kB Microcontroller Datasheet

The Microchip PIC18F252 Microcontroller is an advanced 28-pin 8-bit PIC Microcontroller with 32kB of Flash Program Memory and a Five Channel 10-bit Accuracy A/D Converter. The PIC18F252 microcontroller also contains a USART module for RS-232 and RS-485 communication. Together with a Master Synchronous Serial Module (MSSP) for I2C and SPI communications. The PIC18F252 has a total of 23 I/O pins available with individual direction control and are suitable for directly driving LEDs.

Features

• High-Performance RISC CPU
  • - Source code compatible with the PIC16 and PIC17 instruction sets
  • - Linear data memory addressing to 1536 bytes
  • - Linear program memory addressing to 32 kbytes
  • - DC - 40 MHz osc./clock input
  • - 16-bit wide instructions, 8-bit wide data path
  • - Priority levels for interrupts
  • - 8 x 8 Single Cycle Hardware Multiplier
  • - 32 kBytes Flash Program Memory
  • - 1536 Byte RAM Data Memory
  • - 256 Byte RAM Data Memory
• Peripheral Features
  • - High current sink/source 25mA/25mA
  • - 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 6.25ns(TCY/16)
  • - Compare 16-bit, max. resolution 100ns
  • - 3-wire SPI with Interrupt-on-Address Bit
  • - I²C Master and Slave mode
  • - Addressable USART Module supports RS-485 and RS-232
  • - Parallel Slave Port (PSP) module
  • - Five Channel 10-bit Analog-to-Digital Converter
• Special Microcontroller Features
  • - Power-On Reset
  • - Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST)
  • - 1,000 erase/write cycles Enhanced Flash Program Memory
  • - 1,000,000 typical erase/write cycles EEPROM Data Memory
  • - 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
  • - In-Circuit Debug (ICD)
• CMOS Technology
  • - Low power, high speed CMOS FLASH technology
  • - Fully Static Design
  • - Wide Operating Voltage Range (2.0V to 5.5V)
• I/O and Packages
  • - 23 I/O pins with individual direction control
  • - 28-pin DIP