PIC16F819-I/SO Microchip Technology Inc., PIC16F819-I/SO Datasheet - Page 43

• 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

FIGURE 5-5:
FIGURE 5-6:
 2004 Microchip Technology Inc.
MCLR Circuit
Data
Bus
RD Port
Note 1: I/O pins have protection diodes to V
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
2: CLKO signal is 1/4 of the F
TRIS Latch
D
Data Latch
D
CK
CK
BLOCK DIAGRAM OF RA5/MCLR/V
BLOCK DIAGRAM OF RA6/OSC2/CLKO PIN
RD TRISA
CLKO (F
Q
Q
Q
Q
RD TRIS
(F
OSC
OSC
MCLRE
= 1x1)
Q
/4)
V
(F
SS
OSC
OSC
EN
MCLR Filter
= 1x0,011)
D
frequency.
Q
DD
and V
From OSC1
EN
D
SS
.
(F
V
V
Schmitt Trigger
Input Buffer
OSC
P
N
DD
SS
Schmitt Trigger
Input Buffer
PP
= 1x0,011)
Oscillator
PIN
Circuit
V
V
Schmitt Trigger
Buffer
P
N
DD
SS
MCLRE
PIC16F818/819
V
V
DD
SS
V
SS
RA6/OSC2/CLKO
RA5/MCLR/V
DS39598E-page 41
PP