PIC16F631-I/P Microchip Technology, PIC16F631-I/P Datasheet - Page 27

• Manufacturer Part Number: PIC16F631-I/P
• Description: IC PIC MCU FLASH 1KX14 20DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F631-I/P

• Program Memory Type: FLASH
• Program Memory Size: 1.75KB (1K x 14)
• Package / Case: 20-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 18
• 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 ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 64 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 2
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014, DM164120-4
• Minimum Operating Temperature: - 40 C
• Data Rom Size: 128 B
• Height: 3.3 mm
• Length: 26.16 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Width: 6.35 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 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
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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