PIC18F2431-I/MM Microchip Technology, PIC18F2431-I/MM Datasheet - Page 128

• Manufacturer Part Number: PIC18F2431-I/MM
• Description: 16 KB Flash, 768 RAM, 22 I/O 28 QFN-S 6x6m TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2431-I/MM

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-QFN
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART, I2C, SPI, SSP
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM183021, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 5 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Request inventory verification / Request inventory verification
• Other names: PIC18F2431-I/ML; PIC18F2431-I/ML

PIC18F2331/2431/4331/4431
FIGURE 12-1:
FIGURE 12-2:
DS39616D-page 128
Note:
T0CKI pin
Note:
T0CKI pin
Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
T0SE
T0CS
T0PS<2:0>
PSA
Upon Reset, Timer0 is enabled in 8-bit mode with clock input from T0CKI max. prescale.
F
OSC
T0SE
T0CS
T0PS<2:0>
PSA
/4
F
OSC
TIMER0 BLOCK DIAGRAM (8-BIT MODE)
TIMER0 BLOCK DIAGRAM (16-BIT MODE)
/4
0
1
0
1
Programmable
Prescaler
Programmable
Prescaler
3
3
1
0
1
0
(2 T
Sync with
Internal
Clocks
CY
(2 T
Delay)
Sync with
Internal
Clocks
CY
Delay)
TMR0L
8
8
TMR0L
8
8
 2010 Microchip Technology Inc.
High Byte
TMR0H
TMR0
8
8
Set
TMR0IF
on Overflow
Internal Data Bus
8
Internal Data Bus
Set
TMR0IF
on Overflow
Read TMR0L
Write TMR0L