Espressif ESP32 Technical Reference Manual page 401

14 LED PWM Controller (LEDC)
Register 14.7. LEDC_LSCHn_HPOINT_REG (n: 0-7) (0xA4+0x14*n)
31
0x0000
LEDC_HPOINT_LSCHn
speed channel n, has reached LEDC_HPOINT_LSCHn[19:0]. (R/W)
Register 14.8. LEDC_LSCHn_DUTY_REG (n: 0-7) (0xA8+0x14*n)
31 25
0x00
LEDC_DUTY_LSCHn
by low-speed channel n, has reached LEDC_LPOINT_LSCHn,the output signal changes to low.
(R/W)
LEDC_LPOINT_LSCHn=(LEDC_HPOINT_LSCHn[19:0]+LEDC_DUTY_LSCHn[24:4]) (1)
LEDC_LPOINT_LSCHn=(LEDC_HPOINT_LSCHn[19:0]+LEDC_DUTY_LSCHn[24:4] +1) (2)
See the Functional Description
Espressif Systems
20 19
The output value changes to high when lstimerx(x=[0,3]), selected by low-
24
The register is used to control output duty. When lstimerx(x=[0,3]), chosen
for more information on when (1) or (2) is chosen.
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0x000000
0x0000000
401
0
Reset
0
Reset
ESP32 TRM (Version 5.2)