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ACT8846 датащи(PDF) 40 Page - Qorvo, Inc

номер детали ACT8846
подробное описание детали  Advanced PMU for Multi-core Application Processors
PDF  63 Pages
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производитель  QORVO [Qorvo, Inc]
домашняя страница  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT8846 датащи(HTML) 40 Page - Qorvo, Inc

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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]
register via the I2C serial interface as shown in Table 6.
Table 6:
FRE#[ ] PWM Frequency Setting
FRE#[2:0]
PWM Frequency [Hz]
000
0.25
001
0.5
010
1
011
2
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]
register via the I2C serial interface as shown in Table 7.
Table 7:
DUTY#[ ] PWM Frequency Setting
DUTY#[3:0]
PWM Duty Cycle [%]
0000
6.25
0001
12.5
0010
18.75
0011
25
0100
31.25
0101
37.5
0110
43.75
0111
50
1000
56.25
1001
62.5
1010
68.75
1011
75
1100
81.25
1101
87.5
1110
93.75
1111
100



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