PIC18F2431-I/SP Microchip Technology Inc., PIC18F2431-I/SP Datasheet - Page 118

• Manufacturer Part Number: PIC18F2431-I/SP
• Description: Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 24 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F2431-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 24
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• 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
FIGURE 10-12:
DS39616B-page 116
PGC
Enable Debug
From other
RB7:RB4 pins
WR TRISB
Note 1: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (INTCON2<7>).
Set RBIF
WR LATB
(2)
Data Bus
PORTB
/PGD
or ICSP
2: PGC is available on RB6.
3: PGD is available on RB7.
RBPU
or
(3)
(1)
RD PORTB
BLOCK DIAGRAM OF RB7:RB6 PINS
TRIS Latch
D
Data Latch
D
RD LATB
RD TRISC
CK
CK
Enable Debug or ICSP
Q
Q
Q
Q
Q
EN
D
Preliminary
RD PORTB
Q
Enable
Debug
0
1
BRBx
EN
Q3
D
0
BTRISx
Q1
1
TTL
Input
Buffer
Enable
Debug
P
Weak
Pull-up
Schmitt
Trigger
 2003 Microchip Technology Inc.
RB7/RB6
Pin