PIC16F887

Features:

Special Microcontroller Features:
• Precision Internal Oscillator:
- Factory calibrated to ±1%
- Software selectable frequency range of 8 MHz to 31 kHz
- Software tunable
- Two-Speed Start-up mode
- Crystal fail detect for critical applications
- Clock mode switching during operation for power savings
• Power-Saving Sleep mode
• Wide operating voltage range (2.0V-5.5V)
• Industrial and Extended Temperature range
• Power-on Reset (POR)
• Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
• Brown-out Reset (BOR) with software control option
• Enhanced low-current Watchdog Timer (WDT) with on-chip oscillator (software selectable nominal 268 seconds with full prescaler) with software enable
• Multiplexed Master Clear with pull-up/input pin
• Programmable code protection
• High Endurance Flash/EEPROM cell:
- 100,000 write Flash endurance
- 1,000,000 write EEPROM endurance
- Flash/Data EEPROM retention: > 40 years
• Program memory Read/Write during run time
• In-Circuit Debugger (on board)
Low-Power Features:
• Standby Current:
- 50 nA @ 2.0V, typical
• Operating Current:
- 11A @ 32 kHz, 2.0V, typical
- 220A @ 4 MHz, 2.0V, typical
• Watchdog Timer Current:
- 1A @ 2.0V, typical
Peripheral Features:
• 24/35 I/O pins with individual direction control:
- High current source/sink for direct LED drive
- Interrupt-on-Change pin
- Individually programmable weak pull-ups
- Ultra Low-Power Wake-up (ULPWU)
• Analog Comparator module with:
- Two analog comparators
- Programmable on-chip voltage reference (CVREF) module (% of VDD)
- Fixed voltage reference (0.6V)
- Comparator inputs and outputs externally accessible
- SR Latch mode
- External Timer1 Gate (count enable)
• A/D Converter:
- 10-bit resolution and 11/14 channels
• Timer0: 8-bit timer/counter with 8-bit programmable prescaler
• Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Dedicated low-power 32 kHz oscillator
• Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler
• Enhanced Capture, Compare, PWM+ module:
- 16-bit Capture, max. resolution 12.5 ns
- Compare, max. resolution 200 ns
- 10-bit PWM with 1, 2 or 4 output channels,programmable "dead time", max. frequency 20 kHz
- PWM output steering control
• Capture, Compare, PWM module:
- 16-bit Capture, max. resolution 12.5 ns
- 16-bit Compare, max. resolution 200 ns
- 10-bit PWM, max. frequency 20 kHz
• Enhanced USART module:
- Supports RS-485, RS-232, and LIN 2.0
- Auto-Baud Detect
- Auto-Wake-Up on Start bit
• In-Circuit Serial ProgrammingTM (ICSPTM) via two pins
• Master Synchronous Serial Port (MSSP) module supporting 3-wire SPI (all 4 modes) and I²C™ Master and Slave Modes with I²C address mask

Pinout

Specifications

Parameter Name	Value
Program Memory Type	Flash
Program Memory (KB)	14
CPU Speed (MIPS)	5
RAM Bytes	368
Data EEPROM (bytes)	256
Digital Communication Peripherals	1-A/E/USART, 1-MSSP(SPI/I2C)
Capture/Compare/PWM Peripherals	1 CCP, 1 ECCP
Timers	2 x 8-bit, 1 x 16-bit
ADC	14 ch, 10-bit
Comparators	2
Temperature Range (C)	-40 to 125
Operating Voltage Range (V)	2 to 5.5
Pin Count	40

Ambient temperature under bias..........................................-40° to +125°C
Storage temperature ........................................................ -65°C to +150°C
Voltage on VDD with respect to V_SS ........................................ -0.3V to +6.5V
Voltage onMCLR with respect to Vss .................................... -0.3V to +13.5V
Voltage on all other pins with respect to V_SS................. -0.3V to (V_DD + 0.3V)
Total power dissipation(1) ................................................................ 800 mW
Maximum current out of V_SS pin ......................................................... 300 mA
Maximum current into V_DD pin ............................................................ 250 mA
Input clamp current, I_IK (V_I < 0 or V_I > V_DD)......................................± 20 mA
Output clamp current, IOK (Vo < 0 or Vo >VDD).................................± 20 mA
Maximum output current sunk by any I/O pin........................................ 25 mA
Maximum output current sourced by any I/O pin .................................. 25 mA
Maximum current sunk by PORTA, PORTB and PORTE (combined)(2)........ 200 mA
Maximum current sourced by PORTA, PORTB and PORTE (combined)(2) ... 200 mA
Maximum current sunk by PORTC and PORTD (combined)(2) ............... 200 mA
Maximum current sourced by PORTC and PORTD (combined)(2)........... 200 mA
Note 1: Power dissipation is calculated as follows: PDIS = VDD x {IDD IOH} + {(VDD VOH) x IOH} + (VOl x IOL).
2: PORTD and PORTE are implemented on PIC16F886/PIC16F887 only.




Description

This powerful yet easy-to-program (only 35 single word instructions) CMOS FLASH-based 8-bit microcontroller packs Microchip's powerful PIC? architecture into an 40- or 44-pin package.The PIC16F887 features 256 bytes of EEPROM data memory, self programming, an ICD, 2 Comparators, 14 channels of 10-bit Analog-to-Digital (A/D) converter, 1 capture/compare/PWM and 1 Enhanced capture/compare/PWM functions, a synchronous serial port that can be configured as either 3-wire Serial Peripheral Interface (SPI?) or the 2-wire Inter-Integrated Circuit (I2C?) bus and an Enhanced Universal Asynchronous Receiver Transmitter (EUSART). All of these features make PIC16F887 ideal for more advanced level A/D applications in automotive, industrial, appliances or consumer applications.