PIC16F631-I/P Microchip Technology Inc., PIC16F631-I/P Datasheet - Page 11
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PIC16F631-I/P
Manufacturer Part Number
PIC16F631-I/P
Description
MCU, 8-Bit, 1KW Flash, 64 RAM, 18 I/O, PDIP-20
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F631-IP.pdf
(294 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F631-I/P
Manufacturer:
MICROCHIP
Quantity:
4 500
Part Number:
PIC16F631-I/P
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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1.0
The PIC16F631/677/685/687/689/690 devices are
covered by this data sheet. They are available in 20-pin
PDIP, SOIC, TSSOP and QFN packages.
FIGURE 1-1:
© 2007 Microchip Technology Inc.
OSC1/CLKI
OSC2/CLKO
Oscillator
DEVICE OVERVIEW
Program
Internal
Ultra Low-Power
Block
Bus
Wake-up
ULPWU
Instruction Reg
Configuration
Decode and
Instruction
Generation
Program
14
1K x 14
Memory
Control
Flash
Timing
PIC16F631 BLOCK DIAGRAM
8
13
Timer0
T0CKI
MCLR
Start-up Timer
8-Level Stack (13-bit)
Watchdog
Brown-out
Power-up
Oscillator
Power-on
Direct Addr
Program Counter
PIC16F631/677/685/687/689/690
Reset
Reset
Timer
Timer
V
DD
INT
V
SS
T1G
Timer1
7
T1CKI
8
3
W Reg
ALU
Addr MUX
Data Bus
Registers
64 bytes
STATUS Reg
RAM
File
Block Diagrams and pinout descriptions of the devices
are as follows:
• PIC16F631 (Figure 1-1, Table 1-1)
• PIC16F677 (Figure 1-2, Table 1-2)
• PIC16F685 (Figure 1-3, Table 1-3)
• PIC16F687/PIC16F689 (Figure 1-4, Table 1-4)
• PIC16F690 (Figure 1-5, Table 1-5)
FSR Reg
MUX
128 Bytes
EEPROM
8
EEADR
EEDAT
9
Data
RAM Addr
Indirect
8
Addr
8
C1IN- C1IN+ C1OUT
PORTA
PORTB
PORTC
Analog Comparators
and Reference
2
C2IN- C2IN+ C2OUT
RA0
RA1
RA2
RA3
RA4
RA5
RB4
RB5
RB6
RB7
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
DS41262D-page 9
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