[attachment=4299]The ppt of the article "PIC16F87XA Micro controller" can be download from here.......

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- Synchronous Serial Port (SSP) with SPI™ (Master mode) and I 2 C™(Master/Slave)
- Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9-bit address
- Brown-out detection circuitry for Brown-out Reset (BOR)
- Parallel Slave Port (PSP) – 8 bits wide with external RD, WR and CS controls (40/44-pin only)
- Analog Features
- 10-bit, up to 8-channel Analog-to-Digital Converter (A/D)
- Brown-out Reset (BOR)
- Analog Comparator module with:
1. Two analog comparators
2. Programmable on-chip voltage reference (VREF) module
3. Programmable input multiplexing from device inputs and internal voltage reference
4. Comparator outputs are externally accessible
- Special Microcontroller Features
- 100,000 erase/write cycle Enhanced Flash program memory typical
- 1,000,000 erase/write cycle Data EEPROM memory typical
- Data EEPROM Retention > 40 years
- Self-reprogrammable under software control
- In-Circuit Serial Programming™ (ICSP™) via two pins
- Single-supply 5V In-Circuit Serial Programming
- Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation
- Programmable code protection
- Power saving Sleep mode
- Selectable oscillator options
- In-Circuit Debug (ICD) via two pins

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