PIC16F631-E/P Microchip Technology, PIC16F631-E/P Datasheet - Page 27
PIC16F631-E/P
Manufacturer Part Number
PIC16F631-E/P
Description
IC PIC MCU FLASH 1KX14 20DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F690DM-PCTLHS.pdf
(306 pages)
3.PIC16F677-IP.pdf
(2 pages)
4.PIC16F677-IP.pdf
(16 pages)
Specifications of PIC16F631-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
18
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-DIP (0.300", 7.62mm)
For Use With
658-1047-5 - BOARD EVALUATION ACCESSTOUCHAC162061 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOICACICE0203 - MPLABICE 20P 300 MIL ADAPTER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
- PIC16F616T-ISL PDF datasheet
- PIC16F690DM-PCTLHS PDF datasheet #2
- PIC16F677-IP PDF datasheet #3
- PIC16F677-IP PDF datasheet #4
- Current page: 27 of 306
- Download datasheet (6Mb)
2.0
2.1
The PIC16F631/677/685/687/689/690 has a 13-bit
program counter capable of addressing an 8K x 14
program memory space. Only the first 1K x 14
(0000h-03FFh) is physically implemented for the
PIC16F631, the first 2K x 14 (0000h-07FFh) for the
PIC16F677/PIC16F687,
(0000h-0FFFh) for the PIC16F685/PIC16F689/
PIC16F690. Accessing a location above these
boundaries will cause a wraparound. The Reset vector
is at 0000h and the interrupt vector is at 0004h (see
Figures 2-1 through 2-3).
FIGURE 2-1:
© 2008 Microchip Technology Inc.
On-Chip
Memory
CALL, RETURN
RETFIE, RETLW
MEMORY ORGANIZATION
Program Memory Organization
Interrupt Vector
Stack Level 1
Stack Level 2
Stack Level 8
Access 0-3FFh
Reset Vector
PC<12:0>
PROGRAM MEMORY MAP
AND STACK FOR THE
PIC16F631
Page 0
and
13
the
PIC16F631/677/685/687/689/690
first
0005h
03FFh
0000h
0004h
0400h
1FFFh
4K x 14
FIGURE 2-2:
FIGURE 2-3:
Program
On-Chip
On-Chip
Memory
Memory
CALL, RETURN
RETFIE, RETLW
CALL, RETURN
RETFIE, RETLW
Interrupt Vector
Access 0-FFFh
Interrupt Vector
Access 0-7FFh
Stack Level 1
Stack Level 2
Stack Level 8
Stack Level 1
Stack Level 2
Stack Level 8
Reset Vector
Reset Vector
PC<12:0>
PC<12:0>
PROGRAM MEMORY MAP
AND STACK FOR THE
PIC16F685/689/690
PROGRAM MEMORY MAP
AND STACK FOR THE
PIC16F677/PIC16F687
Page 0
Page 1
Page 0
13
13
DS41262E-page 25
0004h
0005h
07FFh
0800h
0FFFh
1000h
1FFFh
0000h
0000h
0004h
0005h
07FFh
0800h
1FFFh
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