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16F874A Dataheets PDF



Part Number 16F874A
Manufacturers Microchip Technology
Logo Microchip Technology
Description PIC16F874A
Datasheet 16F874A Datasheet16F874A Datasheet (PDF)

PIC16F87XA 28/40/44-Pin Enhanced Flash Microcontrollers Devices Included in this Data Sheet: • PIC16F873A • PIC16F874A • PIC16F876A • PIC16F877A 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 Me.

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PIC16F87XA 28/40/44-Pin Enhanced Flash Microcontrollers Devices Included in this Data Sheet: • PIC16F873A • PIC16F874A • PIC16F876A • PIC16F877A 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 other 28-pin or 40/44-pin PIC16CXXX and PIC16FXXX microcontrollers 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 • 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) Analog Features: • 10-bit, up to 8-channel Analog-to-Digital Converter (A/D) • Brown-out Reset (BOR) • Analog Comparator module with: - Two analog comparators - Programmable on-chip voltage reference (VREF) module - Programmable input multiplexing from device inputs and internal voltage reference - 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 CMOS Technology: • Low-power, high-speed Flash/EEPROM technology • Fully static design • Wide operating voltage range (2.0V to 5.5V) • Commercial and Industrial temperature ranges • Low-power consumption Device Program Memory Bytes # Single Word Instructions Data SRAM (Bytes) EEPROM (Bytes) I/O MSSP 10-bit CCP A/D (ch) (PWM) SPI Master I2C USART Timers 8/16-bit Comparators PIC16F873A 7.2K 4096 192 128 22 5 2 Yes Yes Yes 2/1 2 PIC16F874A 7.2K 4096 192 128 33 8 2 Yes Yes Yes 2/1 2 PIC16F876A 14.3K 8192 368 256 22 5 2 Yes Yes Yes 2/1 2 PIC16F877A 14.3K 8192 368 256 33 8 2 Yes Yes Yes 2/1 2  2001-2013 Microchip Technology Inc. DS39582C-page 1 PIC16F87XA Pin Diagrams 28-Pin PDIP, SOIC, SSOP MCLR/VPP 1 RA0/AN0 2 RA1/AN1 3 RA2/AN2/VREF-/CVREF 4 RA3/AN3/VREF+ 5 RA4/T0CKI/C1OUT 6 RA5/AN4/SS/C2OUT 7 VSS 8 OSC1/CLKI 9 OSC2/CLKO 10 RC0/T1OSO/T1CKI 11 RC1/T1OSI/CCP2 12 RC2/CCP1 13 RC3/SCK/SCL 14 44-Pin QFN PIC16F873A/876A 8 28 RB7/PGD 27 RB6/PGC 26 RB5 25 RB4 24 RB3/PGM 23 RB2 22 RB1 21 RB0/INT 20 VDD 19 VSS 18 RC7/RX/DT 17 RC6/TX/CK 16 RC5/SDO 15 RC4/SDI/SDA 28-Pin QFN RB6/PGC RB7/PGD MCLR/VPP RA0/AN0 RA1/AN1 RB4 RB5 22 23 24 25 26 27 28 RA2/AN2/VREF-/CVREF RA3/AN3/VREF+ RA4/T0CKI/C1OUT RA5/AN4/SS/C2OUT VSS OSC1/CLKI OSC2/CLKO 1 21 2 20 3 PIC16F873A 19 4 5 PIC16F876A 18 17 6 16 7 15 RB3/PGM RB2 RB1 RB0/INT VDD VSS RC7/RX/DT 9 10 11 12 13 14 RC6/TX/CK RC5/SDO RC4/SDI/SDA RC3/SCK/SCL RC2/CCP1 RC1/T1OSI/CCP2 RC0/T1OSO/T1CKI RC0/T1OSO/T1CKI RC1/T1OSI/CCP2 RC2/CCP1 RC3/SCK/SCL RD0/PSP0 RD1/PSP1 RD2/PSP2 RD3/PSP3 RC4/SDI/SDA RC5/SDO RC6/TX/CK 34 35 36 37 38 39 40 41 42 43 44 RC7/RX/DT RD4/PSP4 RD5/PSP5 RD6/PSP6 RD7/PSP7 VSS VDD VDD RB0/INT RB1 RB2 1 33 2 32 3 31 4 30 5 PIC16F874A 29 6 7 PIC16F877A 28 27 8 26 9 25 10 24 11 23 OSC2/CLKO OSC1/CLKI VSS VSS VDD VDD RE2/CS/AN7 RE1/WR/AN6 RE0/RD/AN5 RA5/AN4/SS/C2OUT RA4/T0CKI/C1OUT 22 21 20 19 18 17 16 15 14 13 12 RA3/AN3/VREF+ RA2/AN2/VREF-/CVREF RA1/AN1 RA0/AN0 MCLR/VPP RB7/PGD RB6/PGC RB5 RB4 NC RB3/PGM DS39582C-page 2  2001-2013 Microchip Technology Inc. PIC16F87XA Pin Diagrams (Continued) 40-Pin PDIP MCLR/VPP 1 40 RA0/AN0 2 39 RA1/AN1 3 38 RA2/AN2/VREF-/CVREF 4 37 RA3/AN3/VREF+ 5 36 RA4/T0CKI/C1OUT 6 35 PIC16F874A/877A RA5/AN4/SS/C2OUT 7 34 RE0/RD/AN5 8 33 RE1/WR/AN6 9 32 RE2/CS/AN7 10 31 VDD 11 30 VSS 12 29 OSC1/CLKI 13 28 OSC2/CLKO 14 27 RC0/T1OSO/T1CKI 15 26 RC1/T1OSI/CCP2 16 25 RC2/CCP1 17 24 RC3/SCK/SC.


SPP9235 16F874A ECN1313


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