PIC16F819-I/SO Microchip Technology Inc., PIC16F819-I/SO Datasheet - Page 40
PIC16F819-I/SO
Manufacturer Part Number
PIC16F819-I/SO
Description
18 PIN, 3.5 KB FLASH, 256 RAM, 16 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F819-ISO.pdf
(176 pages)
Specifications of PIC16F819-I/SO
A/d Inputs
5-Channel, 10-Bit
Cpu Speed
5 MIPS
Eeprom Memory
256 Bytes
Input Output
16
Interface
I2C/SPI
Memory Type
Flash
Number Of Bits
8
Package Type
18-pin SOIC
Programmable Memory
3.5K Bytes
Ram Size
256 Bytes
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F819-I/SO
Manufacturer:
MICROCHIP
Quantity:
2 400
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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
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