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CYW43438 is a WiFi-BT combo chip, supporting both WiFi and BT functionalities with two separate Cortex M3 processors. You can refer Product guide for more information: CYW4343W/CYW43438 Product Guide
You can directly program CYW943438WCD1 to achieve Bluetooth functionality using demo apps /43xxx_Wi-Fi/apps/snip/bluetooth/*, /43xxx_Wi-Fi/apps/demo/ble_wifi_introducer.
For example, here is the make target for programming module with ble hello sensor app: snip.bluetooth.ble_hello_sensor-BCM943438WCD1 download run
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