PIC16F631-I/P Microchip Technology Inc., PIC16F631-I/P Datasheet - Page 15

• 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

FIGURE 1-5:
© 2007 Microchip Technology Inc.
V
Ultra Low-Power
REF
OSC1/CLKI
Wake-up
OSC2/CLKO
ULPWU
AN0 AN1 AN2 AN3 AN4 AN5 AN6
AN8 AN9 AN10 AN11
Analog-To-Digital Converter
Oscillator
Program
Internal
Block
Bus
Instruction Reg
Configuration
Decode and
Generation
Instruction
14
Program
Memory
4k x 14
Control
Flash
Timing
Timer0
T0CKI
PIC16F690 BLOCK DIAGRAM
8
13
T1G
MCLR
AN7
Timer1
Start-up Timer
PIC16F631/677/685/687/689/690
8-Level Stack (13-bit)
Brown-out
Watchdog
Power-up
Power-on
Direct Addr
Oscillator
Program Counter
T1CKI
C1IN- C1IN+ C1OUT
Timer
Reset
Timer
Reset
V
DD
INT
V
SS
Analog Comparators
and Reference
Timer2
7
2
8
3
C2IN- C2IN+ C2OUT
W Reg
ALU
Addr MUX
TX/CK RX/DT
256 bytes
Registers
Data Bus
STATUS Reg
EUSART
RAM
File
FSR Reg
MUX
8
9
RAM Addr
Indirect
Addr
8
8
CCP1/
PORTA
PORTB
PORTC
P1A
256 Bytes
EEPROM
P1B P1C P1D
EEADR
EEDAT
ECCP+
Data
RA0
RA1
RA2
RA3
RA4
RA5
RB4
RB5
RB6
RB7
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
SDO
DS41262D-page 13
Synchronous
Serial Port
SDI/ SCK/
SDA SCL
SS