Bluetooth Uart; Bluetooth Uart Signals; Bluetooth Uart Block Diagram - Intel PXA27 Series Design Manual

10.3.2

Bluetooth UART

The BTUART is connected to a Bluetooth module. The maximum baud rate is 921,600 bps. The
BTUART only supports two modem control pins (nCTS, nRTS).
10.3.2.1

Bluetooth UART Signals

See Table 10-3
Table 10-3. BTUART Interface Signals
Signal
Name
BTRXD
BTTXD
BTCTS
BTRTS
10.3.2.2

Bluetooth UART Block Diagram

See Figure 10-2
and a Bluetooth module connector. The block diagram demonstrates high level signal usage and
connectivity when using the BTUART.
Figure 10-2. BTUART Interface Block Diagram
®
Intel PXA27x Processor Family Design Guide
for the list and description of the Bluetooth UART signals.
Direction
Input Bluetooth UART Receive, serial data input to the UART
Output Bluetooth UART Transmit, serial data output from the UART
Input Bluetooth UART Clear to Send
Output Bluetooth UART Request to Send
for illustration of a block diagram showing the interface between the BTUART
PXA27x
Processor
BTUART
BTRXD
BTRTS
BTTXD
BTCTS
Description
Bluetooth
Module
Connector
UART Interfaces
UART_002_P2
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