stmpe16m31 STMicroelectronics, stmpe16m31 Datasheet - Page 45

• Manufacturer Part Number: stmpe16m31
• Description: S-touch? 16/24-channel Touchkey Controller With Pwm And Ratio Engines
• Manufacturer: STMicroelectronics

STMPE16M31, STMPE24M31
12
Basic PWM programming
The PWM controllers are capable of generating the following brightness patterns:
Figure 11. Pulses with programmable brightness, ON/OFF period and repetition
The registers need to be programmed for this sequence:
Figure 12. Ramps with programmable brightness, ON/OFF period and repetition
–
–
–
–
–
On period = Period 0[1:0] * Time Unit [3:0]
Off period = Period 1[1:0] * Time Unit [3:0]
Duty cycle during on period = Brightness [7:4]
Number of cycles = Repetition [3:0]
Ramp-mode is disabled
Doc ID 16174 Rev 3
Basic PWM programming
45/85