PIC18F2431-I/SP Microchip Technology Inc., PIC18F2431-I/SP Datasheet - Page 110

• 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 10-2:
FIGURE 10-4:
DS39616B-page 108
WR TRISA
WR LATA
or
PORTA
Data
Bus
RD PORTA
To A/D Converter
To A/D Converter
To CAP1/INDX or CAP2/QEA
Data Bus
WR LATA
or
PORTA
WR TRISA
RD PORTA
D
D
Data Latch
TRIS Latch
CK
CK
RD LATA
BLOCK DIAGRAM OF RA0
BLOCK DIAGRAM OF RA3:RA2 PINS
Q
Q
Q
Q
RD TRISA
Q
Data Latch
TRIS Latch
D
D
RD TRISA
RD LATA
CK
CK
Analog
Input
Mode
EN
D
V
V
Q
Q
Q
Q
P
N
SS
DD
TTL
Input
Buffer
I/O Pin
Preliminary
Q
FIGURE 10-3:
WR TRISA
WR LATA
or
PORTA
To A/D Converter
Data Bus
RD PORTA
EN
D
TRIS Latch
V
Data Latch
V
N
P
D
SS
D
Analog
Input
Mode
RD TRISA
DD
RD LATA
CK
CK
Q
Q
Q
Q
BLOCK DIAGRAM OF RA1
 2003 Microchip Technology Inc.
TTL
Q
Analog
Input
Mode
EN
D
I/O Pin
V
Schmitt
Trigger
Input
Buffer
V
N
P
SS
DD
TTL
RA1