PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 273

• Manufacturer Part Number: PIC18F4431-E/PT
• Description: IC MCU FLASH 8KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/PT

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• 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 9x10b
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• 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