PIC16F505T-I/ST Microchip Technology, PIC16F505T-I/ST Datasheet - Page 26
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PIC16F505T-I/ST
Manufacturer Part Number
PIC16F505T-I/ST
Description
IC MCU FLASH 1KX12 14TSSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC12F509T-ISN.pdf
(110 pages)
2.PIC16F505-IST.pdf
(4 pages)
3.PIC16F505-IST.pdf
(22 pages)
Specifications of PIC16F505T-I/ST
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
POR, WDT
Number Of I /o
11
Program Memory Size
1.5KB (1K x 12)
Program Memory Type
FLASH
Ram Size
72 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
14-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
- Current page: 26 of 110
- Download datasheet (2Mb)
PIC12F508/509/16F505
4.6
The Oscillator Calibration (OSCCAL) register is used to
calibrate the internal precision 4 MHz oscillator. It
contains seven bits for calibration
REGISTER 4-5:
DS41236E-page 26
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-1
bit 0
Note:
R/W-1
CAL6
OSCCAL Register
Erasing the device will also erase the pre-
programmed internal calibration value for
the internal oscillator. The calibration
value must be read prior to erasing the
part so it can be reprogrammed correctly
later.
CAL<6:0>: Oscillator Calibration bits
0111111 = Maximum frequency
•
•
•
0000001
0000000 = Center frequency
1111111
•
•
•
1000000 = Minimum frequency
Unimplemented: Read as ‘0’
R/W-1
CAL5
OSCCAL REGISTER (ADDRESS: 05h)
W = Writable bit
‘1’ = Bit is set
.
R/W-1
CAL4
R/W-1
CAL3
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-1
CAL2
After you move in the calibration constant, do not
change the value. See Section 7.2.5 “Internal 4 MHz
RC Oscillator”.
R/W-1
CAL1
© 2009 Microchip Technology Inc.
x = Bit is unknown
R/W-1
CAL0
R/W-0
—
bit 0
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