PIC12C509A/JW Microchip Technology, PIC12C509A/JW Datasheet - Page 18

• Manufacturer Part Number: PIC12C509A/JW
• Description: IC MCU EPROM 1KX12 8CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 12Cr

Specifications of PIC12C509A/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 5
• Program Memory Size: 1.5KB (1K x 12)
• Program Memory Type: EPROM, UV
• Ram Size: 41 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-CDIP (0.300", 7.62mm) Window
• For Use With: DVMCPA - KIT DVR BOARD EVAL SYSTEM MXDEV1DVA12XP080 - ADAPTER DEVICE FOR MPLAB-ICE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Other names: PIC12C509A/JWR; PIC12C509A/JWR

PIC12C5XX
4.5
The Oscillator Calibration (OSCCAL) register is used to
calibrate the internal 4 MHz oscillator. It contains four to
six bits for calibration.
increases the frequency. See Section 7.2.5 for more
information on the internal oscillator.
FIGURE 4-6:
FIGURE 4-7:
DS40139E-page 18
bit7
bit7
bit 7-4: CAL<3:0>: Calibration
bit 3-0: Unimplemented: Read as ’0’
bit 7-2: CAL<5:0>: Calibration
bit 1-0: Unimplemented: Read as ’0’
R/W-0
R/W-1
CAL3
CAL5
OSCCAL Register
R/W-1
R/W-0
CAL2
CAL4
OSCCAL REGISTER (ADDRESS 05h) FOR PIC12C508 AND PIC12C509
OSCCAL REGISTER (ADDRESS 05h) FOR PIC12C508A/C509A/CR509A/12CE518/
12CE519
R/W-1
R/W-0
CAL1
CAL3
Increasing the cal value
R/W-1
R/W-0
CAL0
CAL2
R/W-0
R/W-0
CAL1
—
R/W-0
R/W-0
CAL0
—
U-0
U-0
—
—
U-0
U-0
—
—
bit0
bit0
R = Readable bit
W = Writable bit
U = Unimplemented bit,
- n = Value at POR reset
R = Readable bit
W = Writable bit
U = Unimplemented bit,
- n = Value at POR reset
1999 Microchip Technology Inc.
read as ‘0’
read as ‘0’