PIC16F636-E/ST Microchip Technology, PIC16F636-E/ST Datasheet - Page 46

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PIC16F636-E/ST

Manufacturer Part Number
PIC16F636-E/ST
Description
IC MCU FLASH 2KX14 14TSSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr

Specifications of PIC16F636-E/ST

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-TSSOP
For Use With
AC162057 - MPLAB ICD 2 HEADER 14DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
PIC12F635/PIC16F636/639
3.7.3
Checking the state of the OSTS bit of the OSCCON
register will confirm if the microcontroller is running
from the external clock source, as defined by the
FOSC<2:0> bits in the Configuration Word register
(CONFIG), or the internal oscillator.
FIGURE 3-7:
DS41232D-page 44
Program Counter
System Clock
HFINTOSC
CHECKING TWO-SPEED CLOCK
STATUS
OSC1
OSC2
TWO-SPEED START-UP
0
PC - N
1
T
T
OST
1022 1023
PC
PC + 1
© 2007 Microchip Technology Inc.

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