User's Manual

Table Of Contents

Doc No.

Rev

1.0

Document released Date.

15/8/25

Page

Description

WM-BN-BM-26_A User Manual

Pin# Pin Name Type Description

wake-up should be performed.

38 BT_HOST_WAKE O Bluetooth HOST_WAKE

37 BT_DEV_WAKE I Bluetooth DEV_WAKE

24 BT_REG_ON I Used by PMU to power up or power down the internal

BCM43438 regulators used by the BT/FM section. This

pin has an internal 200kOhm pull-down resistor that is

enabled by default.

It can be disabled through programming.

18 WL_REG_ON I Used by PMU to power up or power down the internal

BCM43438 regulators used by the WLAN section. This

pin has an internal 200kOhm pull-down resistor that is

enabled by default.

It can be disabled through programming.

Power Supplies

21 VBAT I Battery supply input

22 VBAT I Battery supply input

19 VDDIO I Digital I/O supply input

Ground

1 GND - Ground

2 GND - Ground

4 GND - Ground

5 GND - Ground

7 GND - Ground

9 GND - Ground

15 GND - Ground

20 GND - Ground

23 GND - Ground

26 GND - Ground

27 GND - Ground

36 GND - Ground

39 GND - Ground

40 GND - Ground

41~50 GND - Ground

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