PIC18F4220-I/P Microchip Technology Inc., PIC18F4220-I/P Datasheet - Page 107
PIC18F4220-I/P
Manufacturer Part Number
PIC18F4220-I/P
Description
Microcontroller; 4 KB Flash; 512 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F4220-IP.pdf
(388 pages)
Specifications of PIC18F4220-I/P
A/d Inputs
13-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
36
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
40-pin PDIP
Programmable Memory
4K Bytes
Ram Size
512 Bytes
Speed
40 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
PIC18F4220-I/PT
Manufacturer:
SST
Quantity:
1 150
Company:
Part Number:
PIC18F4220-I/PT
Manufacturer:
Microchip Technology
Quantity:
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FIGURE 10-7:
FIGURE 10-9:
2003 Microchip Technology Inc.
Note 1:
RBPU
WR LATB
or PORTB
WR TRISB
RD TRISB
RD LATB
INTx
To A/D Converter
Analog Input Mode
Data Bus
RD PORTB
2:
(2)
Schmitt Trigger
Buffer
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>).
Data Bus
WR LATB
or PORTB
WR TRISB
RD TRISC
RD PORTB
CCP2 Input
Analog Input Mode
To A/D Converter
Port/CCP2 Select
CCP2 Data Out
RD LATC
Note 1:
Data Latch
TRIS Latch
D
D
CK
CK
BLOCK DIAGRAM OF
RB2:RB0 PINS
BLOCK DIAGRAM OF RB3/CCP2 PIN
I/O pins have diode protection to V
Q
Q
Q
TRIS Latch
Data Latch
D
D
CK
CK
EN
TTL
Input
Buffer
DD
EN
D
and V
Q
Q
V
P
DD
SS
PIC18F2220/2320/4220/4320
Weak
Pull-up
I/O pin
.
DD
(1)
and V
0
1
SS
.
Analog Input Mode
Q
FIGURE 10-8:
Note 1:
Set RBIF
Data Bus
RD PORTB
RBPU
WR LATB
or PORTB
WR TRISB
RD TRISB
RD LATB
EN
From RB7:RB5
EN
D
RBPU
To A/D Converter
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>).
V
P
N
V
DD
SS
TRIS Latch
Schmitt
Trigger
Data Latch
D
D
CK
CK
Q
Q
BLOCK DIAGRAM OF
RB4 PIN
TTL Input
Buffer
Q
Q
Latch
V
P
DD
Weak
Pull-up
EN
EN
D
DS39599C-page 105
D
TTL
Input
Buffer
DD
RB3 pin
and V
RD PORTB
V
P
DD
Weak
Pull-up
(1)
I/O pin
SS
Q1
.
Q3
(1)
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