PIC18F1220-I/SO Microchip Technology Inc., PIC18F1220-I/SO Datasheet - Page 99

• 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 10-14:
 2004 Microchip Technology Inc.
Note 1:
ECCP1 P1C/D Enable
RBPU
P1B/D Tri-State Auto-Shutdown
P1D Data
WR LATB or
WR TRISB
T1OSCEN
2:
Data Bus
(2)
PORTB
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>).
Set RBIF
PGD
From other
RB7:RB4 pins
BLOCK DIAGRAM OF RB7/PGD/T1OSI/P1D/KBI3 PIN
TRIS Latch
RD PORTB
Data Latch
D
D
RD LATB
RD TRISB
CK
CK
Q
Q
Q
Q
DD
Q
and V
EN
SS
D
.
1
0
RD PORTB
Q
EN
Q3
D
TTL
Input
Buffer
PIC18F1220/1320
V
P
DD
Weak
Pull-up
Q1
Schmitt
Trigger
To RB6 pin
DS39605C-page 97
RB7 pin