Refer to the PDF data sheet for device specific package drawings
The device includes a UART module dedicated to the Bluetooth shared-transport, host controller interface (HCI) transport layer. The HCI transports commands, events, and ACL between the Bluetooth device and its host using HCI data packets ack as a shared transport for all functional blocks except WLAN. Table 8-3 lists the transport mechanism for WLAN and bluetooth audio.
|WLAN||SHARED HCI FOR ALL FUNCTIONAL BLOCKS EXCEPT WLAN||Bluetooth VOICE-AUDIO|
|WLAN HS SDIO||Over UART||Bluetooth PCM|
The HCI UART supports most baud rates (including all PC rates) for all fast-clock frequencies up to a maximum of 4 Mbps. After power up, the baud rate is set for 115.2 Kbps, regardless of the fast-clock frequency. The baud rate can then be changed using a VS command. The device responds with a Command Complete Event (still at 115.2 Kbps), after which the baud rate change occurs.
HCI hardware includes the following features:
Table 8-4 lists the UART default settings.
|Bit rate||115.2 Kbps|
|Data length||8 bits|