PIC18LF4331T-I/SO 查看數據表（PDF） - Microchip Technology

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PIC18LF4331T-I/SO

28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

Microchip Technology 

PIC18F2331/2431/4331/4431

REGISTER 23-4: CONFIG3L: CONFIGURATION REGISTER 3 LOW (BYTE ADDRESS 300004h)

U-0

—

bit 7

U

R/P-1

R/P-1

R/P-1

R/P-1

U

—

T1OSCMX HPOL(1)

LPOL(1) PWMPIN(3)

—

U

—

bit 0

Legend:

R = Readable bit

P = Programmable bit

-n = Value when device is unprogrammed

U = Unimplemented bit, read as ‘0’

U = Unchanged from programmed state

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: High Side Transistors Polarity bit (i.e., Odd PWM Output Polarity Control bit)(1)

1 = PWM1, 3, 5 and 7 are active-high (default)(2)

0 = PWM1, 3, 5 and 7 are active-low(2)

LPOL: Low Side Transistors Polarity bit (i.e., Even PWM Output Polarity Control bit)(1)

1 = PWM0, 2, 4 and 6 are active-high (default)(2)

0 = PWM0, 2, 4 and 6 are active-low(2)

PWMPIN: PWM Output Pins Reset State Control bit(3)

1 = PWM outputs are disabled upon Reset (default)

0 = PWM outputs drive active states upon Reset

Unimplemented: Read as ‘0’

Note 1:

2:

3:

Polarity control bits, HPOL and LPOL, define PWM signal output active and inactive states; PWM states

generated by the Fault inputs or PWM manual override.

PWM6 and PWM7 output channels are only available on PIC18F4331/4431 devices.

When PWMPIN = 0, PWMEN<2:0> = 101 if the device has eight PWM output pins (40 and 44-pin

devices) and PWMEN<2:0> = 100 if the device has six PWM output pins (28-pin devices). PWM output

polarity is defined by HPOL and LPOL.

 2010 Microchip Technology Inc.

DS39616D-page 267

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