PIC16F636-E/P Microchip Technology, PIC16F636-E/P Datasheet - Page 56

• Manufacturer Part Number: PIC16F636-E/P
• Description: IC MCU FLASH 2KX14 14DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F636-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 ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 14-DIP (0.300", 7.62mm)
• For Use With: AC164039 - MODULE SKT PROMATE II 20DIP/SOICAC162057 - MPLAB ICD 2 HEADER 14DIPACICE0207 - MPLABICE 14P 300 MIL ADAPTER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PIC12F635/PIC16F636/639
4.2.4.4
Figure 4-4 shows the diagram for this pin. The RA3 pin
is configurable to function as one of the following:
• a general purpose input
• as Master Clear Reset with weak pull-up
• a high-voltage detect for Program mode entry
FIGURE 4-4:
DS41232D-page 54
RA3/MCLR/V
Interrupt-on-
BLOCK DIAGRAM OF RA3
change
PP
Data Bus
PORTA
IOCA
TRISA
WR
RD
RD
RD
IOCA
D
CK
Q
Q
Program
Mode
V
SS
Reset
MCLRE
HV Detect
WURE
Sleep
RD PORTA
MCLRE
Q
Q
MCLRE
EN
EN
D
D
V
DD
Weak
Q1
V
SS
Input
© 2007 Microchip Technology Inc.
pin