PIC16F818-I/P Microchip Technology, PIC16F818-I/P Datasheet - Page 40

• Manufacturer Part Number: PIC16F818-I/P
• Description: IC MCU FLASH 1KX14 18-DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F818-I/P

• Program Memory Type: FLASH
• Program Memory Size: 1.75KB (1K x 14)
• Package / Case: 18-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: I2C/SPI/SSP
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ACICE0202 - ADAPTER MPLABICE 18P 300 MILAC164010 - MODULE SKT PROMATEII DIP/SOIC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F818/819
FIGURE 4-6:
REGISTER 4-2:
DS39598E-page 38
OSC2
OSC1
bit 7
bit 6-4
bit 3
bit 2
bit 1-0
31.25 kHz
PIC16F818/819 CLOCK DIAGRAM
OSCCON: OSCILLATOR CONTROL REGISTER (ADDRESS 8Fh)
(INTRC)
bit 7
Unimplemented: Read as ‘0’
IRCF2:IRCF0: Internal Oscillator Frequency Select bits
111 = 8 MHz (8 MHz source drives clock directly)
110 = 4 MHz
101 = 2 MHz
100 = 1 MHz
011 = 500 kHz
010 = 250 kHz
001 = 125 kHz
000 = 31.25 kHz (INTRC source drives clock directly)
Unimplemented: Read as ‘0’
IOFS: INTOSC Frequency Stable bit
1 = Frequency is stable
0 = Frequency is not stable
Unimplemented: Read as ‘0’
Legend:
R = Readable bit
-n = Value at POR
U-0
31.25 kHz
—
Oscillator
Internal
Source
Block
Sleep
IRCF2
R/W-0
(INTOSC)
8 MHz
R/W-0
IRCF1
PIC18F818/819
W = Writable bit
‘1’ = Bit is set
31.25 kHz
500 kHz
250 kHz
125 kHz
8 MHz
4 MHz
2 MHz
1 MHz
OSCCON<6:4>
R/W-0
IRCF0
111
110
101
100
011
010
001
000
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
—
LP, XT, HS, RC, EC
Internal Oscillator
CONFIG (FOSC2:FOSC0)
IOFS
R-0
 2004 Microchip Technology Inc.
x = Bit is unknown
U-0
—
WDT
Peripherals
CPU
U-0
—
bit 0