PIC18F2431-I/SP Microchip Technology Inc., PIC18F2431-I/SP Datasheet - Page 136

• 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 11-1:
FIGURE 11-2:
DS39616B-page 134
Note:
Note: Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI maximum prescale.
T0CKI pin
T0CKI pin
Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI maximum prescale.
T0SE
T0SE
F
OSC
F
OSC
/4
TIMER0 BLOCK DIAGRAM IN 8-BIT MODE
TIMER0 BLOCK DIAGRAM IN 16-BIT MODE
/4
T0CS
0
1
T0PS2, T0PS1, T0PS0
T0CS
Programmable
0
1
Prescaler
3
T0PS2, T0PS1, T0PS0
Programmable
Prescaler
PSA
0
1
Preliminary
3
(2 T
Sync with
Internal
Clocks
CY
delay)
PSA
0
1
(2 T
Sync with
Internal
Clocks
CY
delay)
TMR0L
8
 2003 Microchip Technology Inc.
High Byte
TMR0H
TMR0
8
Data Bus
TMR0
8
8
8
Flag bit TMR0IF
Read TMR0L
Write TMR0L
Data Bus<7:0>
Set Interrupt
on Overflow
Flag bit TMR0IF
Set Interrupt
on Overflow