PIC16F631-I/P Microchip Technology Inc., PIC16F631-I/P Datasheet - Page 14

• 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

PIC16F631/677/685/687/689/690
FIGURE 1-4:
DS41262D-page 12
V
OSC1/CLKI
REF
OSC2/CLKO
AN0 AN1 AN2 AN3 AN4 AN5 AN6
AN8 AN9 AN10 AN11
Note 1:
Oscillator
Program
Ultra Low-Power
Internal
Analog-To-Digital Converter
Block
Bus
Wake-up
ULPWU
Instruction Reg
2K
Configuration
Decode and
Generation
Instruction
Program
14
(1)
Memory
PIC16F687 only.
Control
Flash
Timing
/4K x 14
PIC16F687
8
13
Timer0
T0CKI
MCLR
/
PIC16F689 BLOCK DIAGRAM
Start-up Timer
8-Level Stack (13-bit)
AN7
Brown-out
Watchdog
Power-up
Power-on
Direct Addr
Oscillator
Program Counter
Timer
Reset
Timer
Reset
V
DD
C1IN- C1IN+ C1OUT
INT
V
SS
T1G
Timer1
Analog Comparators
7
T1CKI
and Reference
8
3
2
C2IN- C2IN+ C2OUT
W Reg
128
ALU
Addr MUX
TX/CK
Registers
Data Bus
(1)
STATUS Reg
RAM
/256 bytes
EUSART
File
FSR Reg
MUX
8
9
RAM Addr
RX/DT
Indirect
Addr
8
8
PORTA
PORTB
PORTC
256 Bytes
EEPROM
© 2007 Microchip Technology Inc.
EEADR
EEDAT
Data
SDO
RA0
RA1
RA2
RA3
RA4
RA5
RB4
RB5
RB6
RB7
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
Synchronous
SDA SCL
Serial Port
SDI/ SCK/
SS