PIC16F819-I/SO Microchip Technology Inc., PIC16F819-I/SO Datasheet - Page 84

• Manufacturer Part Number: PIC16F819-I/SO
• Description: 18 PIN, 3.5 KB FLASH, 256 RAM, 16 I/O
• Manufacturer: Microchip Technology Inc.

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

PIC16F818/819
REGISTER 11-2:
DS39598D-page 82
bit 7
bit 6
bit 5-4
bit 3-0
ADCON1: A/D CONTROL REGISTER 1 (ADDRESS 9Fh)
ADFM: A/D Result Format Select bit
1 = Right justified, 6 Most Significant bits of ADRESH are read as ‘0’
0 = Left justified, 6 Least Significant bits of ADRESL are read as ‘0’
ADCS2: A/D Clock Divide by 2 Select bit
1 = A/D clock source is divided by 2 when system clock is used
0 = Disabled
Unimplemented: Read as ‘0’
PCFG<3:0>: A/D Port Configuration Control bits
A = Analog input
C/R = Number of analog input channels/Number of A/D voltage references
bit 7
Legend:
R = Readable bit
-n = Value at POR
R/W-0
ADFM
PCFG
0000
0001
0010
0011
0100
0101
011x
1000
1001
1010
1011
1100
1101
1110
1111
AN4
ADCS2
R/W-0
A
A
A
A
D
D
D
A
A
A
A
A
D
D
D
V
V
V
V
V
V
V
V
V
AN3
REF+
REF+
REF+
REF+
REF+
REF+
REF+
REF+
REF+
A
A
A
D
A
D
U-0
—
D = Digital I/O
W = Writable bit
‘1’ = Bit is set
V
V
V
V
V
AN2
REF-
REF-
REF-
REF-
REF-
A
A
A
A
D
D
D
A
A
D
U-0
—
AN1
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A
PCFG3
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
AN0
A
A
A
A
A
A
D
A
A
A
A
A
A
A
A
V
AV
AV
AV
AV
AV
AV
AN3
AN3
AN3
AN3
AN3
AN3
AN3
AN3
AN3
REF
PCFG2
R/W-0
DD
DD
DD
DD
DD
DD
 2003 Microchip Technology Inc.
+
V
AV
AV
AV
AV
AV
AV
AV
AV
AV
AV
AN2
AN2
AN2
AN2
AN2
REF
x = Bit is unknown
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
PCFG1
R/W-0
-
C/R
5/0
4/1
5/0
4/1
3/0
2/1
0/0
3/2
5/0
4/1
3/2
3/2
2/2
1/0
1/2
PCFG0
R/W-0
bit 0