PIC16F639-E/P Microchip Technology, PIC16F639-E/P Datasheet - Page 55
PIC16F639-E/P
Manufacturer Part Number
PIC16F639-E/P
Description
IC MCU FLASH 2KX14 20DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC12F635-ISN.pdf
(234 pages)
3.PIC16F636-ISL.pdf
(8 pages)
4.PIC16F636-ISL.pdf
(4 pages)
5.PIC16F639-ISS.pdf
(6 pages)
Specifications of PIC16F639-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, LVD, POR, WDT
Number Of I /o
11
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-DIP (0.300", 7.62mm)
For Use With
AC162066 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOICDM163029 - BOARD PICDEM FOR MECHATRONICSACICE0203 - MPLABICE 20P 300 MIL ADAPTER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
- PIC16F616T-ISL PDF datasheet
- PIC12F635-ISN PDF datasheet #2
- PIC16F636-ISL PDF datasheet #3
- PIC16F636-ISL PDF datasheet #4
- PIC16F639-ISS PDF datasheet #5
- Current page: 55 of 234
- Download datasheet (4Mb)
4.2.4.2
Figure 4-2 shows the diagram for this pin. The RA1 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input to the comparator
• In-Circuit Serial Programming™ clock
FIGURE 4-2:
© 2007 Microchip Technology Inc.
Data Bus
WPUDA
WPUDA
PORTA
PORTA
TRISA
TRISA
Note 1:
WDA
WDA
IOCA
IOCA
Interrupt-on-
WR
WR
WR
WR
WR
RD
RD
RD
RD
RD
change
D
D
D
D
D
To Comparator
CK
CK
CK
CK
CK
Comparator mode determines Analog Input mode.
RA1/C1IN-/V
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Input Mode
BLOCK DIAGRAM OF RA1
Analog
RD PORTA
REF
RAPU
Input Mode
(1)
Analog
/ICSPCLK
Q
Q
EN
EN
(1)
D
D
V
V
DD
SS
V
V
DD
SS
Weak
Weak
I/O pin
Q1
PIC12F635/PIC16F636/639
4.2.4.3
Figure 4-3 shows the diagram for this pin. The RA2 pin
is configurable to function as one of the following:
• a general purpose I/O
• the clock input for Timer0
• an external edge-triggered interrupt
• a digital output from the comparator
FIGURE 4-3:
Data Bus
WPUDA
WPUDA
PORTA
PORTA
TRISA
TRISA
WDA
WDA
IOCA
IOCA
Interrupt-on-
WR
WR
WR
WR
WR
RD
RD
RD
RD
RD
change
D
D
D
D
D
To Timer0
To INT
CK
CK
CK
CK
CK
RA2/T0CKI/INT/C1OUT
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
BLOCK DIAGRAM OF RA2
C1OUT
C1OUT
Enable
RAPU
RD PORTA
Q
Q
1
0
DS41232D-page 53
EN
EN
D
D
V
V
DD
V
SS
V
DD
SS
Weak
Weak
I/O pin
Q1
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