ACT8846 datasheet(40/63 Pages) QORVO

tên linh kiện	ACT8846

Giải thích chi tiết về linh kiện	Advanced PMU for Multi-core Application Processors

PDF	63 Pages

Scroll/Zoom	100%

nhà sản xuất	QORVO [Qorvo, Inc]

Trang chủ	https://www.qorvo.com/

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40 / 63 page

ACT8846

Advanced PMU for Multi-core

Application Processors

Data Sheet Rev. 13.0, Nov. 11, 2019 | Subject to change without notice

40 of 63

www.qorvo.com

PWM LED DRIVERS

The GPIO3, the GPIO4, the GPIO5, and the GPIO6 are

configured as PWM LED drivers, which could support

up to 6mA current with programmable frequency and

duty cycle. Set PWM#EN[ ] bit to “1” to enable PWM

function of GPIO#.

PWM Frequence Selection

Each LED driver may be independently programmed to

a different frequency by writing to the GPIO’s FRE[2:0]

Table 6:

FRE#[ ] PWM Frequency Setting

FRE#[2:0]

PWM Frequency [Hz]

000

0.25

001

0.5

010

011

100

128

101

256

PWM Duty Cycle Selection

Each LED driver may be independently programmed to

a different duty cycle by writing to the GPIO’s DUTY[3:0]

Table 7:

DUTY#[ ] PWM Frequency Setting

DUTY#[3:0]

PWM Duty Cycle [%]

0000

6.25

0001

12.5

0010

18.75

0011

0100

31.25

0101

37.5

0110

43.75

0111

1000

56.25

1001

62.5

1010

68.75

1011

1100

81.25

1101

87.5

1110

93.75

1111

100

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