PIC18F2431-I/SP Microchip Technology Inc., PIC18F2431-I/SP Datasheet - Page 112

• 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 10-6:
FIGURE 10-7:
DS39616B-page 110
Data
Bus
WR LATA
or
PORTA
WR TRISA
WR LATA
or
PORTA
Data
Bus
RD PORTA
RD PORTA
To A/D Converter/LVD Module Input
ECRA6 or RCRA6
Enable
RD LATA
TRIS Latch
Data Latch
TRIS Latch
Data Latch
D
D
RD TRISA
D
D
CK
CK
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA5
Q
Q
BLOCK DIAGRAM OF RA6
Q
Q
RD TRISA
Q
ECRA6 or
RCRA6
Enable
EN
Analog
Input
Mode or
LVDIN
Enabled
Q
D
V
V
P
N
DD
SS
EN
D
V
V
P
N
SS
DD
O
SCILLATOR
T
O
TTL
Input
Buffer
TTL
Input
Buffer
I/O
Pin
I/O
Pin
Preliminary
FIGURE 10-8:
WR LATA
or
PORTA
Data
Bus
RD PORTA
INTOSC Enable
TRIS Latch
Data Latch
RD TRISA
D
D
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA7
 2003 Microchip Technology Inc.
INTOSC
w/RA7 Enable
Q
EN
D
V
V
P
N
SS
DD
O
SCILLATOR
T
O
TTL
Input
Buffer
I/O
Pin