PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 18

• Manufacturer Part Number: PIC18F4431-I/P
• Description: Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4431-I/P

• A/d Inputs: 9-Channel, 10-Bit
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 16K Bytes
• Ram Size: 768 Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC18F2331/2431/4331/4431
TABLE 1-3:
DS39616B-page 16
RB0/PWM0
RB1/PWM1
RB2/PWM2
RB3/PWM3
RB4/KBI0/PWM5
RB5/KBI1/PWM4/
PGM
RB6/KBI2/PGC
RB7/KBI3/PGD
Legend: TTL
RB0
PWM0
RB1
PWM1
RB2
PWM2
RB3
PWM3
RB4
KBI0
PWM5
RB5
KBI1
PWM4
PGM
RB6
KBI2
PGC
RB7
KBI3
PGD
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
33
34
35
36
37
38
39
40
Pin Number
TQFP QFN
10
14
15
16
17
11
8
9
10
11
12
14
15
16
17
9
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
O
O
I
I
I
I
)
Preliminary
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
PORTB is a bidirectional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
Digital I/O.
PWM output 0.
Digital I/O.
PWM output 1.
Digital I/O.
PWM output 2.
Digital I/O.
PWM output 3.
Digital I/O.
Interrupt-on-change pin.
PWM output 5.
Digital I/O.
Interrupt-on-change pin.
PWM output 4.
Low-voltage ICSP programming entry pin.
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming clock pin.
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming data pin.
CMOS = CMOS compatible input or output
I
P
= Input
= Power
Description
 2003 Microchip Technology Inc.