PIC16F819-I/PTSL Microchip Technology, PIC16F819-I/PTSL Datasheet - Page 42

• Manufacturer Part Number: PIC16F819-I/PTSL
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,DIP,18PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F819-I/PTSL

• Rohs Compliant: YES
• 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
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 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
• Package / Case: 18-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F818/819
FIGURE 5-1:
FIGURE 5-2:
DS39598E-page 40
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
To A/D Module V
To A/D Module Channel Input
Bus
WR
PORTA
WR
TRISA
RD PORTA
To A/D Module Channel Input
Data
TRIS Latch
TRIS Latch
D
Data Latch
D
D
Data Latch
D
CK
CK
CK
CK
RD TRISA
RD TRISA
REF
Q
Q
Q
Q
Q
Q
Q
Q
+ Input
BLOCK DIAGRAM OF
RA0/AN0:RA1/AN1 PINS
BLOCK DIAGRAM OF
RA3/AN3/V
Input Mode
Input Mode
Q
Q
Analog
Analog
Input Buffer
Input Buffer
EN
EN
REF
V
V
V
V
P
N
P
N
TTL
D
D
TTL
DD
DD
SS
SS
+ PIN
V
V
V
V
DD
DD
SS
SS
I/O pin
I/O pin
FIGURE 5-3:
FIGURE 5-4:
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
TMR0 Clock Input
To A/D Module Channel Input
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
To A/D Module V
To A/D Module Channel Input
TRIS Latch
TRIS Latch
D
Data Latch
D
D
Data Latch
D
CK
CK
CK
CK
RD TRISA
RD TRISA
REF
Q
Q
Q
Q
Q
Q
Q
Q
- Input
BLOCK DIAGRAM OF
RA2/AN2/V
BLOCK DIAGRAM OF
RA4/AN4/T0CKI PIN
 2004 Microchip Technology Inc.
Input Mode
Input Mode
Schmitt Trigger
Q
Q
Analog
Analog
Input Buffer
Input Buffer
REF
EN
EN
V
V
V
V
P
N
P
N
D
TTL
D
DD
DD
SS
SS
- PIN
V
V
V
V
DD
DD
SS
SS
I/O pin
I/O pin