PIC16F631-I/P Microchip Technology Inc., PIC16F631-I/P Datasheet - Page 3

• Manufacturer Part Number: PIC16F631-I/P
• Description: MCU, 8-Bit, 1KW Flash, 64 RAM, 18 I/O, PDIP-20
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F631-I/P

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 128 Bytes
• Input Output: 18
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 20-pin PDIP
• Programmable Memory: 1.75K Bytes
• Ram Size: 64 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

High-Performance RISC CPU:
• Only 35 instructions to learn:
• Operating speed:
• Interrupt capability
• 8-level deep hardware stack
• Direct, Indirect and Relative Addressing modes
Special Microcontroller Features:
• Precision Internal Oscillator:
• Power-Saving Sleep mode
• Wide operating voltage range (2.0V-5.5V)
• Industrial and Extended Temperature range
• Power-on Reset (POR)
• Power-up Timer (PWRTE) and Oscillator Start-up
• Brown-out Reset (BOR) with software control
• Enhanced low-current Watchdog Timer (WDT)
• Multiplexed Master Clear/Input pin
• Programmable code protection
• High Endurance Flash/EEPROM cell:
• Enhanced USART module:
© 2007 Microchip Technology Inc.
- All single-cycle instructions except branches
- DC – 20 MHz oscillator/clock input
- DC – 200 ns instruction cycle
- Factory calibrated to ± 1%
- Software selectable frequency range of
- Software tunable
- Two-Speed Start-up mode
- Crystal fail detect for critical applications
- Clock mode switching during operation for
Timer (OST)
option
with on-chip oscillator (software selectable
nominal 268 seconds with full prescaler) with
software enable
- 100,000 write Flash endurance
- 1,000,000 write EEPROM endurance
- Flash/Data EEPROM retention: > 40 years
- Supports RS-485, RS-232 and LIN 2.0
- Auto-Baud Detect
- Auto-wake-up on Start bit
8 MHz to 32 kHz
power savings
20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with
PIC16F631/677/685/687/689/690
nanoWatt Technology
Low-Power Features:
• Standby Current:
• Operating Current:
• Watchdog Timer Current:
Peripheral Features:
• 17 I/O pins and 1 input only pin:
• Analog Comparator module with:
• A/D Converter:
• Timer0: 8-bit timer/counter with 8-bit
• Enhanced Timer1:
• Timer2: 8-bit timer/counter with 8-bit period
• Enhanced Capture, Compare, PWM+ module:
• Synchronous Serial Port (SSP):
• I
• In-Circuit Serial Programming
- 50 nA @ 2.0V, typical
- 11 μA @ 32 kHz, 2.0V, typical
- 220 μA @ 4 MHz, 2.0V, typical
- <1 μA @ 2.0V, typical
- High current source/sink for direct LED drive
- Interrupt-on-Change pin
- Individually programmable weak pull-ups
- Ultra Low-Power Wake-up (ULPWU)
- Two analog comparators
- Programmable on-chip voltage reference
- Comparator inputs and outputs externally
- SR Latch mode
- Timer 1 Gate Sync Latch
- Fixed 0.6V V
- 10-bit resolution and 12 channels
programmable prescaler
- 16-bit timer/counter with prescaler
- External Timer1 Gate (count enable)
- Option to use OSC1 and OSC2 in LP mode
register, prescaler and postscaler
- 16-bit Capture, max resolution 12.5 ns
- Compare, max resolution 200 ns
- 10-bit PWM with 1, 2 or 4 output channels,
- PWM output steering control
- SPI mode (Master and Slave)
- I
pins
2
C™ (Master/Slave modes):
(CV
accessible
as Timer1 oscillator if INTOSC mode
selected
programmable “dead time”, max frequency
20 kHz
2
C™ address mask
REF
) module (% of V
REF
DD
)
TM
(ICSP
DS41262D-page 1
TM
) via two