PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 119
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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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TABLE 10-3:
TABLE 10-4:
2003 Microchip Technology Inc.
PORTB
LATB
TRISB
INTCON
INTCON2
INTCON3
Legend:
RB0/PWM0
RB1/PWM1
RB2/PWM2
RB3/PWM3
RB4/KBI0/PWM5
RB5/KBI1/PWM4/
PGM
RB6/KBI2/PGC
RB7/KBI3/PGD
Legend: TTL = TTL input, ST = Schmitt Trigger input
Note 1:
Name
2:
Name
x = unknown, u = unchanged, q = value depends on condition. Shaded cells are not used by PORTB.
This buffer is a TTL input when configured as digital I/O.
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
LATB Data Output Register
PORTB Data Direction Register
GIE/GIEH PEIE/GIEL TMR0IE
INT2IP
RBPU
Bit 7
RB7
PORTB FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
INTEDG0 INTEDG1 INTEDG2
Bit #
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7
INT1IP
Bit 6
RB6
TTL/ST
TTL/ST
TTL/ST
Buffer
TTL
TTL
TTL
TTL
TTL
Bit 5
RB5
—
(1)
(1)
(1)
(1)
(2)
(2)
(2)
PIC18F2331/2431/4331/4431
INT0IE
INT2IE
Input/output pin, or PCPWM output PWM0.
Internal software programmable weak pull-up.
Input/output pin, or PCPWM output PWM1. Internal software
programmable weak pull-up.
Input/output pin, or PCPWM output PWM2. Internal software
programmable weak pull-up.
Input/output pin, or PCPWM output PWM3.
Internal software programmable weak pull-up.
Internal software programmable weak pull-up.
Input/output pin (with interrupt-on-change) or PCPWM output PWM4.
Internal software programmable weak pull-up.
Low-voltage ICSP enable pin.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
Serial programming clock.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
Serial programming data.
Bit 4
Input/output pin (with interrupt-on-change), or PCPWM output PWM5.
RB4
Preliminary
INT1IE
RBIE
Bit 3
RB3
—
TMR0IP
TMR0IF
Bit 2
RB2
—
INT0IF
INT2IF
Bit 1
RB1
—
Function
INT1IF
RBIF
RBIP
Bit 0
RB0
xxxq qqqq
xxxx xxxx
1111 1111
0000 000x
1111 -1-1
11-0 0-00
POR, BOR
Value on
DS39616B-page 117
uuuu uuuu
uuuu uuuu
1111 1111
0000 000u
1111 -1-1
11-0 0-00
Value on
all other
Resets
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