PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 4

• Manufacturer Part Number: PIC18F4431-E/ML
• Description: IC MCU FLASH 8KX16 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, 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 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
Pin Diagrams
DS39616D-page 4
28-Pin SPDIP, SOIC
28-Pin QFN
Note 1:
RA2/AN2/V
RA3/AN3/V
For the QFN package, it is recommended that the bottom pad be connected to V
(1)
RC1/T1OSI/CCP2/FLTA
RC3/T0CKI/T5CKI/INT0
RA4/AN4/CAP3/QEB
RC0/T1OSO/T1CKI
OSC2/CLKO/RA6
REF
REF
OSC1/CLKI/RA7
-/CAP1/INDX
+/CAP2/QEA
RA2/AN2/V
RA3/AN3/V
RC2/CCP1
MCLR/V
RA0/AN0
RA1/AN1
RA4/AN4/CAP3/QEB
AV
AV
OSC2/CLKO/RA6
REF
REF
OSC1/CLKI/RA7
DD
PP
SS
-/CAP1/INDX
+/CAP2/QEA
AV
AV
DD
SS
9
10
11
12
13
14
1
2
3
4
5
6
7
8
4
1
2
3
5
6
7
PIC18F2331
PIC18F2431
28
27
26
25
24
23
22
21
20
19
18
17
16
15
21
20
19
18
17
16
15
V
V
RC7/RX/DT/SDO
RB3/PWM3
RB2/PWM2
RB1/PWM1
RB0/PWM0
DD
SS
RB7/KBI3/PGD
RB6/KBI2/PGC
RB5/KBI1/PWM4/PGM
RB4/KBI0/PWM5
RB3/PWM3
RB2/PWM2
RB1/PWM1
RB0/PWM0
V
V
RC7/RX/DT/SDO
RC6/TX/CK/SS
RC5/INT2/SCK/SCL
RC4/INT1/SDI/SDA
SS
DD
SS
.
 2010 Microchip Technology Inc.