PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 2

• 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
FIGURE 2-1:
DS30500B-page 2
28-Pin SDIP, SOIC
Note 1:
40-Pin PDIP
Note 1:
2:
3:
4:
RC3/T0CKI
RA2/AN2/V
RA3/AN3/V
RA2/AN2/V
RA3/AN3/V
Low voltage programming must be enabled.
RC3 is the alternate pin for T0CKI/T5CKI, RC4 is the alternate pin for SDI/SDA, RC5 is the alternate pin
for SCK/SCL.
Low voltage programming must be enabled.
RD4 is the alternate pin for FLTA.
RD5 is the alternate pin for PWM4.
RC1/T1OSI/CCP2/FLTA
RC1/T1OSI/CCP2/FLTA
RC3/T0CKI/T5CKI/INT0
RA4/AN4/CAP3/QEB
RC0/T1OSO/T1CKI
RA4/AN4/CAP3/QEB
RD0/T0CKI/T5CKI
OSC2/CLKO/RA6
PIN DIAGRAMS
RC0/T1OSO/T1CKI
RC2/CCP1/FLTB
REF
REF
(1)
OSC1/CLKI/RA7
MCLR/V
RA5/AN5/LVDIN
OSC2/CLKO/RA6
/T5CKI
RC2/CCP1/FLTB
REF
REF
OSC1/CLKI/RA7
MCLR/V
-/CAP1/INDX
+/CAP2/QEA
-/CAP1/INDX
+/CAP2/QEA
RD1/SDO
RA0/AN0
RA1/AN1
RE0/AN6
RE1/AN7
RE2/AN8
(1)
PP
RA0/AN0
RA1/AN1
AV
/INT0
AV
/RE3
PP
AV
AV
DD
/RE3
SS
DD
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
• 1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
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
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
RD7/PWM7
RD6/PWM6
RD5/PWM4
RD4/FLTA
RC7/RX/DT/SDO
RC6/TX/CK/SS
RC5/INT2/SCK
RC4/INT1/SDI
RD3/SCK/SCL
RD2/SDI/SDA
DD
SS
 2010 Microchip Technology Inc.
(3)
(4)
(1)
(1)
(1)
/SDA
(1)
/SCL
(1)
(1)
(2)