PIC16F631-I/P Microchip Technology Inc., PIC16F631-I/P Datasheet - Page 67
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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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4.2.5.2
Figure 4-2 shows the diagram for this pin. The
RA1/AN1/C12IN0-/V
function as one of the following:
• a general purpose I/O
• an analog input for the ADC (except PIC16F631)
• an analog input to Comparator C1 or C2
• a voltage reference input for the ADC
• In-Circuit Serial Programming clock
FIGURE 4-2:
© 2007 Microchip Technology Inc.
Data Bus
PORTA
PORTA
WPUA
WPUA
TRISA
TRISA
IOCA
IOCA
Interrupt-on-
Note 1:
WR
WR
WR
WR
RD
RD
RD
RD
Change
2:
D
D
D
D
To Comparator
CK
CK
CK
CK
To A/D Converter
ANSEL determines Analog Input mode.
Not implemented on PIC16F631.
RA1/AN1/C12IN0-/V
Q
Q
Q
Q
Q
Q
Q
Q
REF
Input Mode
BLOCK DIAGRAM OF RA1
Analog
RD PORTA
/ICSPCLK pin is configurable to
(2)
Input Mode
(1)
RABPU
Analog
Q
Q
(1)
EN
EN
PIC16F631/677/685/687/689/690
REF
D
D
V
/ICSPCLK
DD
Weak
V
V
DD
Q3
SS
I/O Pin
4.2.5.3
Figure 4-3 shows the diagram for this pin. The
RA2/AN2/T0CKI/INT/C1OUT pin is configurable to
function as one of the following:
• a general purpose I/O
• an analog input for the ADC (except PIC16F631)
• the clock input for TMR0
• an external edge triggered interrupt
• a digital output from Comparator C1
FIGURE 4-3:
Data Bus
PORTA
PORTA
WPUA
WPUA
TRISA
TRISA
IOCA
IOCA
Interrupt-on-
WR
WR
WR
WR
RD
RD
RD
RD
Note 1:
Change
2:
D
D
D
D
To TMR0
To INT
To A/D Converter
CK
CK
CK
CK
ANSEL determines Analog Input mode.
Not implemented on PIC16F631.
RA2/AN2/T0CKI/INT/C1OUT
Q
Q
Q
Q
Q
Q
Q
Q
Input Mode
BLOCK DIAGRAM OF RA2
Analog
C1OUT
(2)
C1OUT
Enable
(1)
Input Mode
RABPU
RD PORTA
Analog
1
0
Q
Q
(1)
EN
EN
DS41262D-page 65
D
D
V
DD
Weak
V
V
Q3
DD
SS
I/O Pin
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