PIC18F4420T-I/PT Microchip Technology, PIC18F4420T-I/PT Datasheet - Page 3

• Manufacturer Part Number: PIC18F4420T-I/PT
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4420T-I/PT

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 2-2:
 2010 Microchip Technology Inc.
44-Pin TQFP
The following devices are included in
40-pin TQFP parts:
Note 1:
44-Pin QFN
The following devices are included in
44-pin QFN parts:
• PIC18F4221
• PIC18F4321
• PIC18F4410
• PIC18F4420
• PIC18F4423
• PIC18F4450
• PIC18F4455
• PIC18F4458
• PIC18F4480
• PIC18F4510
• PIC18F4520
• PIC18F4515
• PIC18F4221
• PIC18F4321
• PIC18F4410
• PIC18F4420
• PIC18F4423
• PIC18F4450
• PIC18F4455
• PIC18F4458
• PIC18F4480
• PIC18F4510
• PIC18F4520
• PIC18F4515
These pins are NC (No Connect) for all devices
listed above with the exception of the PIC18F4450,
PIC18F4455, PIC18F4458 and the PIC18F4553
devices (see
Port (44-Pin TQFP Only)”
programming these pins in these devices).
PIC18F2XXX/4XXX FAMILY PIN DIAGRAMS
• PIC18F4523
• PIC18F4525
• PIC18F4550
• PIC18F4553
• PIC18F4580
• PIC18F4585
• PIC18F4610
• PIC18F4620
• PIC18F4680
• PIC18F4682
• PIC18F4685
• PIC18F4523
• PIC18F4525
• PIC18F4550
• PIC18F4553
• PIC18F4580
• PIC18F4585
• PIC18F4610
• PIC18F4620
• PIC18F4680
• PIC18F4682
• PIC18F4685
Section 2.8 “Dedicated ICSP/ICD
for more information on
PIC18F2XXX/4XXX FAMILY
AV
RC7
RD4
RD5
RD6
RD7
RB0
RB1
RB2
V
V
RC7
RD4
RD5
RD6
RD7
RB0
RB1
RB2
RB3
V
V
DD
DD
SS
DD
SS
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
PIC18F4XXX
PIC18F4XXX
33
32
31
30
29
28
27
26
25
24
23
33
32
31
30
29
28
27
26
25
24
23
OSC2
OSC1
V
AV
V
AV
RE2
RE1
RE0
RA5
RA4
SS
DD
SS
DD
NC
RC0
OSC2
OSC1
V
V
RE2
RE1
RE0
RA5
RA4
DS39622L-page 3
SS
DD
(1)
/ICV
PP