RF LINK CPR9851S bluetooth module User Manual CPR9851S V2 1specificationx

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Document ID	2554668
Application ID	m+WSghZchctPXmaw8Sx1NQ==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	107.8kB (1347484 bits)
Date Submitted	2015-03-13 00:00:00
Date Available	2015-03-13 00:00:00
Creation Date	2014-12-01 15:23:40
Producing Software	pdfFactory Pro 4.50 (Windows XP Professional x86 Chinese)
Document Lastmod	2015-02-28 09:47:18
Document Title	CPR9851S_V2.1specification.docx
Document Creator	pdfFactory Pro www.fineprint.cn
Document Author:	Administrator

User Guid
FCC ID: A5LCPR9851S
Catalogue
版本说明 verison description....................................................................................................................... 2
1.概述 overview................................................................................................................................................ 3
2.应用领域 application................................................................................................................................... 3
3.功能架构 function structure..................................................................................................................... 4
3.1 功能架构图 diagram............................................................................................................................ 4
3.2 功能描述 functiion description.................................................................................................... 4
4.性能参数 perfromance parameter...............................................................................................................5
5.引脚功能说明（管脚分配图如附录 C）Pins function description(Appendix C)............................ 5
6.工作模式 work mode....................................................................................................................................... 6
7.注意事项 attention....................................................................................................................................... 7
附录 A：模块尺寸 module size........................................................................................................................ 9
附录 B：模块图像 module pic........................................................................................................................ 10
附录 C：管脚分配 pins distribution..........................................................................................................11
附录 D：应用参考电路 reference design....................................................................................................12
version description
Version
Ver1.0
Update content
Released
Update time
Update person
2014.4.11
杨兰珍
2014.07.21
温锦铎
Unified specification
Ver2.0
format (including the
header/foot, fonts,
spacing, etc.)
Ver2.1
Updated IC package
1.Overview
CPR9851S is designed based on RDA5851SX chipset,a high
integrated,low cost and low power consumption with stereo function
BT module.Which support communication by telephone,TF card,FM,and
Line in functions.Meet
Blutooth2.1+EDR specification.To provide
low cost high efficient stereo transmission solution for customer.
2. Application
This module used to transmit music in short distance, which
directly link with PC,phone,PDA, and digital products though BT.
Moreover, it integrated with FM and support autoplay music from MMC
card.
1 Single chip solution, integrated with Line in, FM,IR control,
TF/SD card and USB audio card.
2 Stereo BT headset
3 Wireless music transmission
4.BT card reader, BT dialer, BT companion, BT speaker, ect.
3. Function structure
Diagram
CARD
3.1
EARPHONE
3.2 Function description
1） support MP3,WMA,WAV,SBC format
2）wireless stereo audio transmission, bluetooth phone
3）FM
4）BT card reader ,as it support USB host function ,so it can read
data from SD or MMC.
5）stereo audio line-in input
6）remote control
7）left for ADC button and power on button pins
8 ） UART port for serial communication,and can customize AT
communication protocol
9）integrated power management circuit
10）high rate UART interface for debug or update software
11）abundant IO port for application extend
12）support USB audio
13）support SPP data trasmission
4. performance parameter
BT version
Modulation system
support
Bluetooth V2.1+EDR
ＧＦＳＫ, π/4-DQPSK 和 8DPSK
HFP/HSP,OPP,A2DP/AVRCP,PBAP profiles
sensitivity(0.1% BER)
-82dBm
TX power
Meet class2 and class3 send requirement
Power supply
3.2V~4.2V
Current consumptiion
Regular work 45mA ，pause 32mA
SNR
70dB
Work temperature
-20 ~ +50 ℃
Module size
20.7mm x 15mm x 2.0mm
5. Pins function description（Appendix C）
pins
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
name
Function description
BT_ANT
BT antenna
GND
Ground connection
USB_DP
DUSB_DM
D+
GPIO_3
GPIO port/IR receive port，pause button
GPIO_1
GPIO port，default TF card detective
UART2_RXD/GPIO_8
UART2 serial port also used for GPIO, no pause function
UART2_TXD/GPIO_13
UART2 no interrupt function
V_MMC
TF card power
V_PAD
2.98V output
SDAT1
TF data line
SDAT0
TF data line
SSD_CLK
TF clock
SSD_CMD
TF write or read control
SDAT3
TF data line
SDAT2
TF data line
RESETB_EXT
Reset port
PWRKEY_INT
software switch,high efficiency
GND
Ground connect
GND
Ground connect
VBAT
Power for module 3.4-4.2V
KEY_P
ADC press button
KEYIN_SENSE
ADC press button
CHG_IN
internal power charging (ask for extend external circuit)
GPIO_7
GPIO，fault LINE DECT ， support external suspend function
GPIO_17
GPIO， no external suspend function
AU_RCV_P
Audio positive output pole
AU_RCV_N
audio differential output pole
LINE_IN_L
AUX left line in
LINE_IN_R
AUX right line in
AU_HPL
left single-ended sound channel output
AU_HPR
right single-ended sound channel output
AU_MIC_N
MIC differential negative output pole
AU_MIC_P
MIC differential positive output pole
AGND
Analog ground
36
FM_ANT
FM antenna
6. Work mode
1） power on with 3.7 to 4.2V DC directly or USB charger for 5V
source.
2 ） Short press PWR button ,when the LED1 and LED2 flick
alternately,it means match correctly.
3） match successfully last time, it will automatically match when
BT module power on.
4） Close the BT connection last time, BT module can connect with
other devices when BT module work.
5） After it connect with BT device, it can transmit music through
BT device, and control next or last music, increase or decrease volume,
pause or continue play, press mode button to enter TF FM line.To sum
up,all button functions can configure through software.
6）It matchs with phone via BT, short press PWR button to connect
or hang up the call when you get the phonecall.
7.Attentions
1) PCB layout: Layground or rounting is not allowed under the BT
module’s antenna.
2) Module’s antenna need put the side of motherboard, not allowed
to put near or overlap with metal material. Such as battery, other
chip.
3) BT wireless application is easily affected by execrable
environment, because obstacle as wood or metal will obsorb wireless
signal, the data transmit distance will be affected during
application.
4）Do not embed in the metal shield,because wireless RF signal
will be shielded by metal cover.
5) SIG membership and BQB certification:
if use Bluetooth trademark.
Authorize SIG and BQB
Appendix A：module size
Dimension & footprint
Appendix B：module pic
10
11
Appendix C：pins arrangement
12
Appendix D：reference design
13
14
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following
measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
If the FCC identification number is not visible when the module is installed inside another device, then
the outside of the device into which the module is installed must also display a label referring to the
enclosed module. This exterior label can use wording such as the following: “Contains Transmitter
Module FCC ID:A5LCPR9851S Or Contains FCC ID:A5LCPR9851S”
when the module is installed inside another device, the user manual of this device must contain below
warning statements;
1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including interference that may cause undesired
operation.
2. Changes or modifications not expressly approved by the party responsible for compliance could void
the user's authority to operate the equipment.
The devices must be installed and used in strict accordance with the manufacturer's instructions as
described in the user documentation that comes with the product

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