PIC18F1220-I/SO Microchip Technology Inc., PIC18F1220-I/SO Datasheet - Page 93

• Manufacturer Part Number: PIC18F1220-I/SO
• Description: Microcontroller; 4 KB Flash; 256 RAM; 256 EEPROM; 16 I/O; 18-Pin-SOIC
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F1220-I/SO

• A/d Inputs: 7-Channel, 10-Bit
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 16
• Interface: USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin SOIC
• Programmable Memory: 4K Bytes
• Ram Size: 256 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 10-8:
 2004 Microchip Technology Inc.
Note 1:
Analog Input Mode
EUSART Enable
2:
TX/CK TRIS
TX/CK Data
BLOCK DIAGRAM OF RB1/AN5/TX/CK/INT1 PIN
WR TRISB
WR LATB
Data Bus
I/O pins have diode protection to V
To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (INTCON2<7>).
RBPU
PORTB
(2)
or
RD PORTB
Data Latch
TRIS Latch
RD LATB
D
D
CK
CK
RD TRISB
Q
Q
INT1/CK Input
To A/D Converter
DD
and V
SS
.
Analog Input
Mode
1
0
Schmitt
Trigger
Input
Buffer
PIC18F1220/1320
Q
TTL
Input
Buffer
EN
RD PORTB
D
V
P
DD
Weak
Pull-up
RB1 pin
(1)
DS39605C-page 91