PIC12F635-E/SN Microchip Technology, PIC12F635-E/SN Datasheet - Page 42
PIC12F635-E/SN
Manufacturer Part Number
PIC12F635-E/SN
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SOP,8PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 12Fr
Specifications of PIC12F635-E/SN
Rohs Compliant
YES
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
5
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162057 - MPLAB ICD 2 HEADER 14DIP
Data Converters
-
Connectivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC12F635-E/SN
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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- Download datasheet (4Mb)
PIC12F635/PIC16F636/639
3.5.2.1
The HFINTOSC is factory calibrated but can be
adjusted in software by writing to the OSCTUNE
register (Register 3-2).
The default value of the OSCTUNE register is ‘0’. The
value is a 5-bit two’s complement number.
REGISTER 3-2:
DS41232D-page 40
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-5
bit 4-0
U-0
—
OSCTUNE Register
Unimplemented: Read as ‘0’
TUN<4:0>: Frequency Tuning bits
01111 = Maximum frequency
01110 =
•
•
•
00001 =
00000 = Oscillator module is running at the calibrated frequency.
11111 =
•
•
•
10000 = Minimum frequency
U-0
—
OSCTUNE: OSCILLATOR TUNING REGISTER
W = Writable bit
‘1’ = Bit is set
U-0
—
R/W-0
TUN4
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
When the OSCTUNE register is modified, the
HFINTOSC frequency will begin shifting to the new
frequency. Code execution continues during this shift.
There is no indication that the shift has occurred.
OSCTUNE does not affect the LFINTOSC frequency.
Operation of features that depend on the LFINTOSC
clock source frequency, such as the Power-up Timer
(PWRT), Watchdog Timer (WDT), Fail-Safe Clock
Monitor (FSCM) and peripherals, are not affected by the
change in frequency.
TUN3
R/W-0
TUN2
© 2007 Microchip Technology Inc.
x = Bit is unknown
R/W-0
TUN1
R/W-0
TUN0
bit 0
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