PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 20
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC18F4431-I/P
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.
Datasheet
1.PIC18F4431-IP.pdf
(396 pages)
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
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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.
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