Application; Example Of An Led Driven By The Pwm0 Or Pwm1 Output - Sierra Wireless WISMO228 Product Technical Specification & Customer Design Manuallines

Product Technical Specification &
Customer Design Guidelines
Pin # Signal I/O I/O Type Description
36 PWM0 O 2V8 PWM output

Application

Both the PWM0 and PWM1 signals can be used in conjunction with an external transistor for driving
a vibrator, or a backlight LED.
Figure 30. Example of an LED Driven by the PWM0 or PWM1 Output
The value of R607can be harmonized depending on the LED (D605) characteristics.
The recommended digital transistor to use for T601 is the DTC144EE from ROHM.
WA_DEV_W228_PTS_002 Rev 001 Page 67 of 108