PIC16F877-04/PT Electronic IC Chip 8-Bit CMOS FLASH Microcontrollers

PIC16F87X

28/40-pin 8-Bit CMOS FLASH Microcontrollers

Devices Included in this Data Sheet:

• PIC16F873                • PIC16F874

• PIC16F876                • PIC16F877

Microcontroller Core Features:

• High-performance RISC CPU

• Only 35 single word instructions to learn

• All single cycle instructions except for program branches which are two cycle

• Operating speed: DC - 20 MHz clock input

                               DC - 200 ns instruction cycle

• Up to 8K x 14 words of FLASH Program Memory,

  Up to 368 x 8 bytes of Data Memory (RAM)

  Up to 256 x 8 bytes of EEPROM data memory

• Pinout compatible to the PIC16C73B/74B/76/77

• Interrupt capability (up to 14 sources)

• Eight level deep hardware stack

• Direct, indirect and relative addressing modes

• Power-on Reset (POR)

• Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)

• Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation

• Programmable code-protection

• Power saving SLEEP mode

• Selectable oscillator options

• Low-power, high-speed CMOS FLASH/EEPROM technology

• Fully static design

• In-Circuit Serial Programming™ (ICSP) via two pins

• Single 5V In-Circuit Serial Programming capability

• In-Circuit Debugging via two pins

• Processor read/write access to program memory

• Wide operating voltage range: 2.0V to 5.5V

• High Sink/Source Current: 25 mA

• Commercial and Industrial temperature ranges

• Low-power consumption:

  - < 2 mA typical @ 5V, 4 MHz

  - 20 µA typical @ 3V, 32 kHz

  - < 1 µA typical standby current

Peripheral Features:

• Timer0: 8-bit timer/counter with 8-bit prescaler

• Timer1: 16-bit timer/counter with prescaler, can be incremented during sleep via external crystal/clock

• Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler

• Two Capture, Compare, PWM modules

  - Capture is 16-bit, max. resolution is 12.5 ns

  - Compare is 16-bit, max. resolution is 200 ns

  - PWM max. resolution is 10-bit

• 10-bit multi-channel Analog-to-Digital converter

• Synchronous Serial Port (SSP) with SPI™ (Master Mode) and I²C™ (Master/Slave)

• Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9-bit address detection

• Parallel Slave Port (PSP) 8-bits wide, with external RD, WR and CS controls (40/44-pin only)

• Brown-out detection circuitry for Brown-out Reset (BOR)

Absolute Maximum Ratings †

Ambient temperature under bias..............................................................................-55 to +125°C

Storage temperature .......................................................................................... -65°C to +150°C

Voltage on any pin with respect to V_SS (except V_DD, MCLR. and RA4)........ -0.3V to (VDD + 0.3V)

Voltage on V_DD with respect to V_SS .......................................................................... -0.3 to +7.5V

Voltage on MCLR with respect to V_SS (Note 2).................................................................0 to +14V

Voltage on RA4 with respect to Vss ................................................................................0 to +8.5V

Total power dissipation (Note 1)...............................................................................................1.0W

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, I_OK (V_O < 0 or V_O > V_DD) ................................................................. ± 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) (Note 3)........................200 mA

Maximum current sourced by PORTA, PORTB, and PORTE (combined) (Note 3) ..................200 mA

Maximum current sunk by PORTC and PORTD (combined) (Note 3) ......................................200 mA Maximum current sourced by PORTC and PORTD (combined) (Note 3)..................................200 mA

Note

1: Power dissipation is calculated as follows: Pdis = VDD x {IDD - ∑ IOH} + ∑ {(VDD - VOH) x IOH} + ∑(VOl x IOL)

2: Voltage spikes below VSS at the MCLR pin, inducing currents greater than 80 mA, may cause latch-up. Thus, a series resistor of 50-100Ω should be used when applying a “low” level to the MCLR pin, rather than pulling this pin directly to VSS.

3: PORTD and PORTE are not implemented on the 28-pin devices.

† NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

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