PIC16F631-I/P Microchip Technology Inc., PIC16F631-I/P Datasheet - Page 73
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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4.4.3
Each PORTB pin is multiplexed with other functions. The
pins and their combined functions are briefly described
here. For specific information about individual functions
such as the SSP, I
appropriate section in this data sheet.
© 2007 Microchip Technology Inc.
PIN DESCRIPTIONS AND
DIAGRAMS
2
C™ or interrupts, refer to the
PIC16F631/677/685/687/689/690
4.4.3.1
Figure 4-7 shows the diagram for this pin. The
RB4/AN10/SDI/SDA
as one of the following:
• a general purpose I/O
• an analog input for the ADC (except PIC16F631)
• a SPI data I/O
• an I
FIGURE 4-7:
Data Bus
Note
PORTB
PORTB
WPUB
WPUB
TRISB
TRISB
IOCB
IOCB
Note 1: SDI
Interrupt-on-
WR
WR
WR
WR
RD
RD
RD
RD
Change
Available on PIC16F677/PIC16F687/PIC16F689/PIC16F690
only.
2
C data I/O
1:
2:
D
D
D
D
To SSPSR
To A/D Converter
CK
CK
CK
CK
PIC16F687/PIC16F689/PIC16F690 only.
ANSEL determines Analog Input mode.
Not implemented on PIC16F631.
RB4/AN10/SDI/SDA
Q
Q
Q
Q
Q
Q
Q
Q
and
(1)
Input Mode
BLOCK DIAGRAM OF RB4
RD PORTB
Analog
SSPSR
pin is configurable to function
(2)
SDA
From
SSP
SSPEN
(1)
RABPU
1
0
0
1
Input Mode
Analog
1
0
0
1
Q
Q
are
EN
EN
DS41262D-page 71
(1)
D
D
available
V
DD
Weak
V
V
Q3
DD
SS
ST
I/O Pin
on
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