Wi-Fi&Bluetooth Module Series
AF20_Hardware_Design
20
/ 49
AF20 module is powered by VDD_3V3, and it is recommended to use a power supply chip with maximum
output current exceeding 0.6 A.
The following figure shows a reference design for VDD_3V3 which is controlled by PM_ENABLE. And
PM_ENABLE should be connected to the pin 5 (PM_ENABLE) of AG35 module. For more details, see
document [2].
Figure 3: Reference Circuit for VDD_3V3
The following figure shows the recommended turn-on and turn-off timing of AF20.
Figure 4: Turn-on and Turn-off Timing