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
FIGURE 2-3:
DS30500B-page 4
44-Pin QFN
Note 1:
2:
3:
4:
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.
RC7/RX/DT/SDO
PIN DIAGRAMS (CONTINUED)
RD5/PWM4
RD4/FLTA
RD6/PWM6
RD7/PWM7
RB0/PWM0
RB1/PWM1
RB2/PWM2
AV
V
V
DD
DD
SS
(1)
(3)
(4)
1
2
3
4
5
6
7
8
9
10
11
PIC18F4331
PIC18F4431
33
32
31
30
29
28
27
26
25
24
23
OSC2/CLKO/RA6
OSC1/CLKI/RA7
V
V
V
RE2/AN8
RE1/AN7
RE0/AN6
RA5/AN5/LVDIN
RA4/AN4/CAP3/QEB
AV
SS
DD
DD
SS
 2010 Microchip Technology Inc.