Ezurio TDK-BTISM Bluetooth Intelligent Serial Module User Manual 308099

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Document ID	308099
Application ID	SpsJUK4l6sndpTqf55qyVA==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Microsoft Word - pdf
Filesize	61.81kB (772609 bits)
Date Submitted	2003-03-07 00:00:00
Date Available	2003-03-06 00:00:00
Creation Date	2003-03-07 04:13:30
Producing Software	Acrobat Distiller 5.0.5 (Windows)
Document Lastmod	2003-03-07 04:13:30
Document Title	Microsoft Word - 308099.DOC
Document Creator	PScript5.dll Version 5.2
Document Author:	fcc

SERIAL MODULE MOTHERBOARD
USER MANUAL
By: Nick Letheren
Date: January 2003
Thank you for purchasing the TDK Bluetooth Intelligent Serial Module
Motherboard. This board allows the TDK Intelligent Serial Module to be
connected to a PC.
Related documents:
•
•
Serial Module Hardware Interface Description
TDK Bluetooth AT Serial Module Software Description
Circuit Description for Motherboard
Basically there 3 parts to the motherboard.
RS232 Serial interface. This provides a direct interface to any standard RS232 port
on a PC or peripheral. Component U2 is a level shifter on the RX, TX, CTS, RTS,
DTR, DSR, RI signals that converts between the 3.3V required on the module to the
standard RS232 level. 9-way D type connector (J2) is configured so that it will directly
connect to the Serial port of a PC.
Audio interface. Connector J9 allows a headset or audio source to be connected to
the Intelligent Serial Module. The PCM signals from the Serial module are converted
by CODEC (U4) to analog output. The Mic input is passed via the CODEC to the
PCM input of the module. The circuit is designed to drive a simple mobile phone type
headset.
Flash upgrade interface. The 25-way D type connector (J1) allows the Intelligent
Serial Module to be reflashed using the Bluelab utilities provided by CSR. The
connector is organised so that a direct one-to-one cable to the parallel port of a PC
will allow the utilities to run.
The Audio and Flash upgrade circuit are on one half of the PCB so that they could be
removed in applications using the RS232 interface only. The board is designed so
that if the wire links are removed it can be snapped in two parts.
Software
The motherboard and Intelligent Serial Module will connect to the Serial Port of any
PC. The user can simply communicate with the module using any Terminal Emulator
software such as Hyper-terminal or Procomm.
An alternative Emulator is included on the CD. “TDK Terminal” is a terminal
emulation application capable of running on Windows 98/ME/2000/XP operating
systems. It was developed specifically to aid development and testing of TDK’s
Bluetooth Serial Module. It allows connection to serial devices using any combination
of the following communications parameters:Comport:
Baudrate:
Parity:
Data Bits:
Stop Bits
Handshaking:
1 to 255
300 to 921600
None, Odd, Even
7 or 8
1 or 2
None or Cts/Rts
Differentiating features with respect to other terminal emulation applications are:Status of DSR, CTS, DCD and RI are continuously displayed
DTR can be directly controlled via a check box
RTS can be directly controlled
BREAK signals can be sent
Finally, there is a “DATA TRANSFER TEST” mode which allows data to be
sent as fast as the handshaking will allow. This feature is very useful for
testing the bit transfer of a Bluetooth connection.
To run the TDK Terminal expand the file TDKterminal.zip and copy the .exe file into a
working directory. Simply run TDKterminal.exe, instructions are provided.
Interface Specification
Serial port connector (J2)
Pin
Signal
I/O
CD
DSR
RX
RTS
TX
Pin
Signal
CTS
DTR
RI
GND
I/O
Parallel port connector (J1)
Pin
10
11
12
13
Signal
n/c
SPI_CSB
n/c
n/c
n/c
n/c
n/c
SPI_MOSI
SPI_CLK
SPI_MISO
n/c
n/c
n/c
Description
Pin
14
15
16
17
18
19
20
21
22
23
24
25
Signal
n/c
n/c
SPI_RST
n/c
n/c
n/c
GND
GND
GND
GND
GND
GND
Description
Power connector (J7)
Pin
Sign Description
al
1 (centre pin) Vcc
Nominal 5V (3.6v-6v)
2,3 (outer)
GND
Headset connector (J9)
Pin
Signal
Description
GND
MIC IN
Audio Input
H/S OUT
Audio output
n/c
Jumpers
Jumper Signal
J5
PC DTR
J8
Description
Optional link to power the board from
DTR from PC
Power input No link, used as alternative power input
Electrical Characteristics
Parameter
RS232 Inputs
RS232 Outputs
Parameter
Power Supply
Voltage range
Threshold Low
Threshold High
hysteresis
I/P resistance
Voltage swing
O/P resistance
O/P short cct
Input Voltage
Min
-25
Typ
0.8
1.4
2.0
0.6
±5.4
50k
±40
±100
kΩ
Ω
mA
Typ
Max
Units Comments
±5.0
300
Min
3.6
Max
25
2.4
Current
Parameter
Audio Interface
Loaded 3kΩ
mA
Min
Headset
Impedance
Headset o/p
voltage
Mic common mode
range
Units Comments
Typ
300
Max
1.78
1.2
Units Comments
Ω
2.1


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Create Date                     : 2003:03:07 04:13:30-08:00
Modify Date                     : 2003:03:07 04:13:30-08:00
Page Count                      : 6
Creation Date                   : 2003:03:07 12:13:30Z
Mod Date                        : 2003:03:07 12:13:30Z
Producer                        : Acrobat Distiller 5.0.5 (Windows)
Author                          : fcc
Metadata Date                   : 2003:03:07 12:13:30Z
Creator                         : fcc
Title                           : Microsoft Word - 308099.DOC

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