PIC18F2431-I/SO Microchip Technology, PIC18F2431-I/SO Datasheet - Page 273

• Manufacturer Part Number: PIC18F2431-I/SO
• Description: IC PIC MCU FLASH 8KX16 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2431-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 28-SOIC (7.5mm Width)
• 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
• 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
• 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
• Operating Supply Voltage: 2 V to 5.5 V
• 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: 5-ch x 10-bit
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MILI3-DB18F4431 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

REGISTER 22-4:
 2003 Microchip Technology Inc.
bit 7-6
bit 5
bit 4
bit 3
bit 2
bit 1-0
Unimplemented: Read as ‘0’
T1OSCMX: Timer1 Oscillator Mode bit
1 = Low power Timer1 operation when microcontroller is in Sleep mode.
0 = Standard (legacy) Timer1 oscillator operation.
HPOL
1 = PWM 1, 3, 5 and 7 are active-high (default)
0 = PWM 1, 3, 5 and 7 are active-low
LPOL
1 = PWM 0, 2, 4 and 6 are active-high (default)
0 = PWM 0, 2, 4 and 6 are active-low
PWMPIN
1 = PWM outputs disabled upon Reset (default)
0 = PWM outputs drive active states upon Reset
Unimplemented: Read as ‘0’
Legend:
R = Readable bit
- n = Value when device is unprogrammed
bit 7
CONFIG3L: CONFIGURATION REGISTER 3 LOW (BYTE ADDRESS 300004h)
Note 1: Polarity control bits HPOL and LPOL define PWM signal output active and inactive
U-0
—
(1)
(1
)
2: PWM6 and PWM7 output channels are only available on the PIC18F4X21 devices.
3: When PWMPIN = 0, PWMEN<2:0> = 101 if device has eight PWM output pins (40
: Low-Side Transistors Polarity bit (i.e., even PWM output polarity control bit)
: High-Side Transistors Polarity bit (i.e., odd PWM output polarity control bit )
(2)
: PWM output pins Reset state control bit
states; PWM states generated by the fault inputs or PWM manual override.
and 44-pin devices) and PWMEN<2:0> = 100 if the device has six PWM output pins
(28-pin device). PWM output polarity is defined by HPOL and LPOL.
—
U
PIC18F2331/2431/4331/4431
T1OSCMX
P = Programmable bit
R/P-1
Preliminary
HPOL
R/P-1
(3)
R/P-1
LPOL
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
PWMPIN
R/P-1
DS39616B-page 271
—
U
—
U
bit 0