733 B
733 B
PWM Introduction
Please kindly review the pwm pages from the Helios4 device. Basically the PWM mechanism of Helios64 board is same with Helios4.
Fan Control Schematic
Remarks
| Description | Header P7 | Header P6 | Remarks |
|---|---|---|---|
| PWM pin | PWM0 | PWM1 | 5V tolerant |
| SENSE pin | GPIO4_C5 | GPIO4_C7 | no kernel module/userspace apps that make use of this pin yet |
| PWM Frequency | 25 kHz | 25 kHz | defined in device tree |
Fan Specification in Helios64
Coming Soon.
Use Case in Linux
Coming Soon.
!!! Notes RPM readings in the PWM fans is not available in Helios64 board.