PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 23

• 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

TABLE 1-3:
 2010 Microchip Technology Inc.
RD0/T0CKI/T5CKI
RD1/SDO
RD2/SDI/SDA
RD3/SCK/SCL
RD4/FLTA
RD5/PWM4
RD6/PWM6
RD7/PWM7
Legend: TTL = TTL compatible input
Note 1:
RD0
T0CKI
T5CKI
RD1
SDO
RD2
SDI
SDA
RD3
SCK
SCL
RD4
FLTA
RD5
PWM4
RD6
PWM6
RD7
PWM7
Pin Name
2:
3:
(1)
(1)
(1)
(1)
(1)
(2)
(3)
ST
O
RC3 is the alternate pin for T0CKI/T5CKI; RC4 is the alternate pin for SDI/SDA; RC5 is the alternate pin
for SCK/SCL; RC7 is the alternate pin for SDO.
RD4 is the alternate pin for FLTA.
RD5 is the alternate pin for PWM4.
= Schmitt Trigger input with CMOS levels
= Output
PIC18F4331/4431 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP TQFP QFN
19
20
21
22
27
28
29
30
Pin Number
38
39
40
41
2
3
4
5
38
39
40
41
2
3
4
5
PIC18F2331/2431/4331/4431
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
I
I
I
I
Buffer
Type
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
PORTD is a bidirectional I/O port.
Digital I/O.
Timer0 external clock input.
Timer5 input clock.
Digital I/O.
SPI data out.
Digital I/O.
SPI data in.
I
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I
Digital I/O.
Fault interrupt input pin.
Digital I/O.
PWM Output 4.
Digital I/O.
PWM Output 6.
Digital I/O.
PWM Output 7.
2
CMOS = CMOS compatible input or output
I
P
C™ data I/O.
= Input
= Power
Description
DS39616D-page 23
2
C mode.