PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 20

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

Specifications of PIC18F4431-E/PT

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Oscillator Type: Internal
• Core Processor: PIC
• 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 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
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
TABLE 1-3:
DS39616B-page 18
RD0/T0CKI/T5CKI
RD1/SDO
RD2/SDI/SDA
RD3/SCK/SCL
RD4/FLTA
RD5/PWM4
RD6/PWM6
RD7/PWM7
Legend: TTL
RD0
T0CKI
T5CKI
RD1
SDO
RD2
SDI
SDA
RD3
SCK
SCL
RD4
FLTA
RD5
PWM4
RD6
PWM6
RD7
PWM7
Pin Name
ST
O
OD
PIC18F4331/4431 PINOUT I/O DESCRIPTIONS (CONTINUED)
= TTL compatible input
= Schmitt Trigger input with CMOS levels
= Output
= Open-Drain (no diode to V
DIP
19
20
21
22
27
28
29
30
Pin Number
TQFP QFN
38
39
40
41
2
3
4
5
38
39
40
41
2
3
4
5
Type
Pin
DD
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
)
Preliminary
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, or a Parallel Slave Port
(PSP) for interfacing to a microprocessor port. These pins
have TTL input buffers when PSP module is enabled.
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
C Data I/O.
CMOS = CMOS compatible input or output
I
P
= Input
= Power
Description
 2003 Microchip Technology Inc.
2
C mode.