F2M03C2001 datasheet(23/46 Pages) ETC2

23 / 46 page

Rev: 13 September 2005

Class 2 Bluetooth module - F2M03C2

Datasheet

Device terminal description

6.1

UART Interface

The F2M03 Bluetooth module’s Universal Asynchronous Receiver Transmitter (UART) interface provides a

simple mechanism for communicating with other serial devices using the RS232 standard

(1).

Universal Asynchronous Receiver

Four signals are used to implement the UART function, as shown in the figure above. When F2M03 is

connected to another digital device, UART_RX and UART_TX transfer data between the two devices. The

remaining two signals, UART_CTS and UART_RTS, can be used to implement RS232 hardware flow

control where both are active low indicators. All UART connections are implemented using CMOS

technology and have signalling levels of 0V and VDD. UART configuration parameters, such as Baud rate

and packet format, are set by Free2move firmware.

Note:

In order to communicate with the UART at its maximum data rate using a standard PC, an accelerated

serial port adapter card is required for the PC.

(1)

Uses RS232 protocol but voltage levels are 0V to VDD, (requires external RS232 transceiver IC)

Parameter

Possible Values

1200 Baud (≤2%Error)

Baud Rate

Minimum

9600 Baud (≤1%Error)

Maximum

1.5MBaud (≤1%Error)

Flow Control

RTS/CTS or None

Parity

None, Odd or Even

Number of Stop Bits

1 or 2

Bits per channel

Possible UART Settings

Page 23(46)

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