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
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