PIC18F1220-I/SO Microchip Technology Inc., PIC18F1220-I/SO Datasheet - Page 97

• 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 10-12:
 2004 Microchip Technology Inc.
Note 1:
Set RBIF
RB7:RB5 in Serial Programming Mode
RBPU
Data Bus
or PORTB
WR TRISB
RD TRISB
RD LATB
RD PORTB
WR LATB
BLOCK DIAGRAM OF RB5/PGM/KBI1 PIN
RB7:RB5 and
From other
RB4 pins
2:
(2)
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>).
TRIS Latch
Data Latch
D
D
CK
CK
Q
Q
DD
and V
Q
Q
Latch
SS
.
EN
EN
D
D
TTL
Input
Buffer
PIC18F1220/1320
V
P
DD
Weak
Pull-up
RD PORTB
Q1
Q3
I/O pin
Buffer
ST
(1)
DS39605C-page 95