Alcatel-Lucent Enterprise 8088, Manual

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24 PCM_CLK I/O
PCM clock
1.8V
25 GND G Ground connections
26 PCM_IN I
PCM data input
1.8V
27 PCM_SYNC I/O
PCM sync signal
1.8V
28 GND G Ground connections
29 UART_RTS_N
O Bluetooth UART interface
1.8V
30 UART_TXD
O Bluetooth UART interface
1.8V
31 UART_RXD
I Bluetooth UART interface
1.8V
32 UART_CTS_N
I Bluetooth UART interface
1.8V
33 GND G Ground connections
The VBAT pin can accept 3.3V +/- 5%. Typical value is 3.3V, but this depends on the motherboard.
Mainboard through UART bus to send HCI commands to activate Bluetooth function.
The UART is a standard 4-wire interface (RX, TX, RTS, and CTS) with adjustable baud rates from
9600 bps to 4.0 Mbps. The interface features an automatic baud rate detection capability that
returns a baud rate selection. Alternatively, the baud rate may be selected through a
vendor-specific UART HCI command
The UART has by default the following characteristics (can be reprogrammed to up to 4Mbps)