PIC16F818-I/SO Microchip Technology Inc., PIC16F818-I/SO Datasheet - Page 48

• Manufacturer Part Number: PIC16F818-I/SO
• Description: 18 PIN, 1.75 KB FLASH, 128 RAM, 16 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F818-I/SO

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 5 MIPS
• Eeprom Memory: 128 Bytes
• Input Output: 16
• Interface: I2C/SPI
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin SOIC
• Programmable Memory: 1.75K Bytes
• Ram Size: 128 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
FIGURE 5-9:
DS39598E-page 46
Note 1: I/O pins have diode protection to V
I
Port/SSPEN Select
SDA Output
RBPU
Data Bus
WR
PORTB
WR
TRISB
SDA Drive
SDA
SDI
2
C™ Mode
2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
3: The SDA Schmitt Trigger conforms to the I
BLOCK DIAGRAM OF RB1 PIN
(3)
(2)
RD PORTB
TRIS Latch
Data Latch
D
D
CK
CK
Schmitt Trigger
Buffer
RD TRISB
Q
Q
Q
1
0
DD
and V
2
C specification.
SS
.
Q
EN
RD PORTB
TTL
Input
Buffer
D
V
P
N
V
DD
SS
V
P
 2004 Microchip Technology Inc.
DD
Weak
Pull-up
I/O pin
(1)