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TDK Module blu2i, Руководство пользователя

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TDK Module blu2i Скачать руководство пользователя страница 21

5.5 RF performance 

5.5.1 Transmit Power 

 

Conducted Transmit Power: 

minimum: 1mW (0dBm) 

 

maximum: 4mW (6dBm) 

 

Power class 1 

Antenna Gain: 

+2dBi typical. 

Effective Transmit Power: 

min: 2dBm max:8dBm 

 

5.5.2 Receive Sensitivity 

 

Receive Sensitivity: 

-86dBm (at 25ºC) 

Antenna Gain: 

+2dBi typical 

Effective Receive Sensitivity:  -88dBm (at 25ºC) 

 

Receive Sensitivity

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

-40 deg

-20 deg

0 deg

20 deg

40 deg

60 deg

80 deg

100 deg

Temperature Deg. C.

At

tenuation Se

tt

in

g

 dBm

NOTE: Measured as attenuation required 
to achieve better than 0.1% BER

 

5.5.3 Range 

 
See Data Transfer Rate vs distance. The data throughput of the blu

2i

 

Module is limited to 200Kbps by the parsing of the data being transferred 
through the AT command processor. The graph below shows the best 

21 of 36 

Содержание Module blu2i

Страница 1: ...or for incidental or consequential damages in connection with the furnishing performance or use of this material Copyright 2004 TDK Systems Europe Limited All rights reserved This document contains i...

Страница 2: ...EMPERATURES 16 5 3 POWER CONSUMPTION 16 5 4 LOW POWER MODES USING SNIFF 19 5 5 RF PERFORMANCE 21 5 5 1 Transmit Power 21 5 5 2 Receive Sensitivity 21 5 5 3 Range 21 5 5 4 Performance against Temperatu...

Страница 3: ...following safety information to users and operating personnel and to incorporate these guidelines into all manuals supplied with the product Failure to comply with these precautions violates safety s...

Страница 4: ...e module provides access to 5 General I O lines and 2 analogue I O lines to provide Bluetooth connection to simple devices such as switches or LEDs without requiring any processing at the module end b...

Страница 5: ...p is pre assigned in the external Flash Two way hardware flow control is implemented by UART_RTS and UART_CTS UART_RTS is an output and is active low UART_CTS is an input and is active low These signa...

Страница 6: ...onitoring Power Vcc should be provided via the board to board connector Pin 29 on J2 Section 5 3 details the power consumption in different modes 2 3 Power On Reset Power Cycling and Brown Out conside...

Страница 7: ...6382XR26D3 T would be a suitable part to perform the reset it has an active high push pull output a 2 63V detection threshold and an active reset period of 140ms This inexpensive device is available i...

Страница 8: ...ese pins include an 8 bit ADC and an 8 bit DAC This function is not implemented at this time 2 6 PCM Codec Interface PCM_OUT PCM_IN PCM_CLK and PCM_SYNC carry up to three bi directional channels of vo...

Страница 9: ...SPI bus clock I P 10 UART_DSR Input 11 GND 12 GPIO3 UART _DTR I O for Host 13 RESET Reset I P 14 GPIO4 I O for Host Right LED 2 15 GND 16 GPIO5 I O for Host Left LED 2 17 SPI_MOSI SPI bus serial I P 1...

Страница 10: ...on Pin 10 UART_DSR is an input with active low logic It should be connected to the DTR output of the host When the blu2i Module is in high speed mode See definition for S Register 512 this pin should...

Страница 11: ...2 10V VIHmax 3 7V UART_DTR 12 O VOLmax 0 2V VOHmin 2 8V Shared with GPIO3 UART_RI 6 I or O O P VOLmax 0 2V VOHmin 2 8V I P VILmax 0 8V VIHmin 2 10V VIHmax 3 7V Direction may be programme d UART_DCD 8...

Страница 12: ...2 10V VIHmax 3 7V PCM_OUT 26 O VOLmax 0 2V VOHmin 2 8V Reserved BC02 USB D 32 I VILmax 0 3vdd_pads VIHmin 0 7cdd_pads Normally inactive Pull to GND through 10K BC02 USB D 34 I VILmax 0 3vdd_pads VIHmi...

Страница 13: ...Physical Characteristics 4 4 1 Mechanical Dimensions 13 of 36...

Страница 14: ...top side of PCB must not be influenced by any other PCBs components or by the housing of the host device The proximity of the antenna to large metallic objects can affect the range and performance of...

Страница 15: ...ctrical and mechanical characteristics of the Hirose DF12C connector Parameter Specification 40 pin Board to Board connector Number of Contacts 40 Quantity delivered 2000 Connectors per Tape Reel Volt...

Страница 16: ...ting mode The hardware specification for the blu2i module allows for a voltage range of 3 6 to 6 0v at Vcc Tests have shown that there is no significant difference in current draw when Vcc is 5 or 6V...

Страница 17: ...windows can be used to adjust the average current drain when in discoverable and or connectable modes Registers 508 and 509 specify the interval and window for page scans and registers 510 and 511 spe...

Страница 18: ...0 3 6V 50 00 50 00 50 00 50 00 Connecting Mode ATDxxx 5 0V 54 00 54 00 54 00 54 00 3 6V 6 00 6 10 6 40 7 20 Connected as Master Mode No Data Transfer Sniff NOT activated 5 0V 7 20 7 20 7 40 8 20 3 6V...

Страница 19: ...acket in the next timeslot Timeslots in Bluetooth are 625 microseconds wide This implies that a master will always know when packets will be sent and received which further means it is able to optimis...

Страница 20: ...with all slaves having requested varying sniff parameters It may therefore be impossible to guarantee that each slave gets the M parameter it requested In light of this the protocol for enabling sniff...

Страница 21: ...ceive Sensitivity 88dBm at 25 C Receive Sensitivity 100 90 80 70 60 50 40 30 20 10 0 40 deg 20 deg 0 deg 20 deg 40 deg 60 deg 80 deg 100 deg Temperature Deg C Attenuation Setting dBm NOTE Measured as...

Страница 22: ...00 10m 50m 100m 150m 200m 250m 300m Distance meters Data Transfer Rate kbps RF data rate Serial port data rate 5 5 4Performance against Temperature Data Transmit Rate with Temperature and Attenuation...

Страница 23: ...alf Sine Wave 6 axis x 3 cycles each axis Moisture Resistance High Temp Storage 85 C 360 hours Low Temp Storage 40 C 240 hours High Temp Humidity Operation 60 C 90 RH 360 hours High Temp Humidity Stor...

Страница 24: ...ir functionality is always enabled PIO Pin Direction Connector Pin Label Function 0 IN OUT GPIO1 General Purpose I O 1 IN OUT GPIO2 General Purpose I O 2 IN OUT UART_RI Input Output from module 3 IN O...

Страница 25: ...l used in Bluetooth for implementing the serial port profile allows for the exchange of four modem signals This information is contained in a special transparent message which contains bits identified...

Страница 26: ...rnal hardware may allow for a BREAK to be reproduced on the TX line 6 3 Reset The module can be reset by the host without the need of any I O using a BREAK signal The module has been configured to res...

Страница 27: ...and the other a slave Assuming the Bluetooth address of the master to be bdaddr_m and that of the slave to be bdaddr_s the master module is configured by sending it the following AT commands AT F ATS5...

Страница 28: ...or 2 seconds before reattempting a connection This 2 second delay can be varied by issuing it an ATS530 command with an appropriate value in the range 100ms to 15000ms IMPORTANT NOTE When S Register 5...

Страница 29: ...I control lines RTS and CTS are locally controlled to prevent local buffer overflow However the status of DTR DRS DCD and RI can be exchanged with the remote peer device If for example the DTR DSR lin...

Страница 30: ...emulation for each COM port and start off with comms parameters 9600 N 8 1 Type AT enter and confirm that you see it echoed and then an OK response If you do not see this behavior close the applicati...

Страница 31: ...on and attach to COM1 at either 9600 N 8 1 or 115200 N 8 1 and confirm that you get an OK response when you type in the following command AT Then enter the following commands to prepare it for an inco...

Страница 32: ...haracter within that 750ms period then the module will remain at 9600 N 8 1 and will also configure itself using factory default S Register values Please see the next section for a discussion on Termi...

Страница 33: ...d DTR can be directly controlled via a check box RTS can be directly controlled BREAK signals can be sent Also there is a Data Transfer Test mode allowing data to be sent as fast as the handshaking wi...

Страница 34: ...d di io o e eq qu ui ip pm me en nt t a an nd d s se er rv vi ic ce es s P Pa ar rt t 1 17 7 S Sp pe ec ci if fi ic c c co on nd di it ti io on ns s f fo or r w wi id de eb ba an nd d d da at ta a H H...

Страница 35: ...OPE The definitions used herein are a Life support devices or systems are devices which 1 are intended for surgical implant into the body or 2 support or sustain life and whose failure to perform when...

Страница 36: ...oducts that have been subject to misuse bending twisting neglect alteration improper installation testing or unauthorized repair performed by anyone other than a TDK designated repair facility Any non...

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