
2001 Microchip Technology Inc.
Advance Information
DS39582A-page 1
M
PIC16F87XA
Devices Included in this Data Sheet:
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 I
2
C
(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
(V
REF
) 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
PIC16F873A
PIC16F874A
PIC16F876A
PIC16F877A
Device
Program Memory
Data
SRAM
(Bytes)
EEPROM
(Bytes)
I/O
10-bit
A/D (ch)
CCP
(PWM)
MSSP
USART
Timers
8/16-bit
Comparators
BytesInstructions
SPI
Master
I
2
C
PIC16F873A
PIC16F874A
PIC16F876A 14.3K
PIC16F877A 14.3K
7.2K
7.2K
4096
4096
8192
8192
192
192
368
368
128
128
256
256
22
33
22
33
5
8
5
8
2
2
2
2
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
2/1
2/1
2/1
2/1
2
2
2
2
28/40-Pin Enhanced FLASH Microcontrollers