TCL Technoly Electronics 07 User Manual

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ersion

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BM90SPKA5MG7

BM90SPKA5MG7

Bluetooth 3.0 EDR Audio Module

5F, No.5, Industry E. Rd. VII, Hsinchu Science Park, Hsinchu city 30077, Taiwan, R.O.C
Phone: [phone] 6/26/2014

Fax: [phone]

BM90SPKA5MG7

Product Description

The ISSC BM90SPKA5MG7 is a highly integrated Bluetooth 3.0 EDR stereo
module, designed for high data rate, short-range wireless communication in
the 2.4 GHz ISM band. With the build-in ISSC Bluetooth stack and profile, the
ISSC BM90SPKA5MG7 provides a low power and ultra-low cost Bluetooth

3.0+EDR solution for multi-speaker applications.

Features

 Main Chip: ISSC IS1690SM
 Bluetooth 3.0 EDR compliant
 Max. +4dBm Class 2 output power
 Receiver Sensitivity: GFSK typical -90dBm, π/4 PSK typical -91dBm,

8DPSK typical -83dBm

 Piconet and Scatter net support
 CVSD, A-law, -law CODEC algorithms for voice applications
 SBC decode for Bluetooth audio streaming
 Build-in High performance stereo audio codec
 Microphone input and audio line-in support
 Build-in audio mux/gain control for line-in audio signal
 Cap-less/single end headphone driver
 Audio DAC: 94dB SNR
 Build in 350mAH Li-ion battery charger
 HSP, HFP, A2DP, AVRCP 1.5 profiles supported
 3.3V operating voltage
 4Mb Embedded flash program memory and 32Kb EEPROM
 37pins for SMT module Size: 15mm x29mm
 Build-in PCB Antenna
 RoHS compliant

Version: 1.01 - 2 - 6/26/2014

35

34

33

32

31

30

29

28

27

26

37

25

24

36

BM90SPKA5MG7

Module Pin out Diagram

BM90SPKA5MG7

1

P35

2

EAN

3

P30

4

P20

5

P00

6

P04

7

SPKR

8

AOHPM

9

SPKL
VDDA
MIC1_P
MIC1_N
MIC_BIAS
AIR

SYS_PWR

P37

P34

AIL

RST

VDD_IO

GND

P03
P01
P16

HCI_RXD

HCI_TXD

P05
P02

P24
LED2
LED1

MFB

BK_OUT

SK1

ADAP_IN

BAT_IN

GND

Version: 1.01 - 3 - 6/26/2014

Pin No.

Reserve for external cap to fine tune audio frequency

BM90SPKA5MG7

Pin Definition

I/O

1 I/O

2 I EAN

3 P P30

4 I/O

5 I/O

6 I/O

7 AO

Name Description

P35

P20

P00

P04

SPKR

GPIO, default pull-high input

REW button

Embedded ROM/External Flash enable

H: Embedded; L: External Flash

GPIO, default pull-high input

Line-in detection, 1: no line-in detected; 0: line-in detected

GPIO, default pull-high input

System Configuration, H: Application L: Baseband(IBDK

Mode)

GPIO, default pull-low input.

Audio AMP Enable

GPIO, default pull-high input

NFC

R-channel analog headphone output, for cap-less and

single-ended application both

8 AP

9 AO

10 AP

11 AI

12 AI

13 AP MIC_BIAS Microphone biasing voltage

14 AI

15 AI

16 I/O

17 I/O

18 I/O

AOHPM

SPKL

VDDA

MIC1_P Mic 1 mono differential analog positive input

MIC1_N Mic 1 mono differential analog negative input

AIR Stereo analog line in, R-channel

AIL Stereo analog line in, L-channel

RST_N System Reset Pin

P34

P37

Headphone common mode output/sense input. Cap-less

application only.

L-channel analog headphone output, for cap-less and

single-ended application both

response

GPIO, default pull-high input

NFC_SW

GPIO, default pull-high input

FWD button

19 P VDDIO

Version: 1.01 - 4 - 6/26/2014

VDDIO pin, for calibration only

Do not add external power to this pin

20 P ADAP_IN Power adaptor input

21 P BAT_IN Battery input

BM90SPKA5MG7

22 I/O

23 P GND Ground

24 P SYS_PWR System Power Output

25 P BK_OUT Buck feedback sense pin

26 P MFB Multi-Function Push Button key

27 P LED1 LED Driver 1

28 P LED2 LED Driver 2

29 I/O

30 I/O

31 I/O

32 O HCI_TXD HCI TX data

33 I HXI_RXD HCI RX data

34 I/O

SK1 Default SAR input for battery detection

GPIO, default pull-high input

P24

System Configuration, H: Boot Mode

GPIO, default pull-high input

P02

PLAY/PAUSE button

GPIO, default pull-high input

P05

Phone button

GPIO, default pull-high input

P16

Volume down button

35 I/O

36 I/O

37 P GND Ground.

Version: 1.01 - 5 - 6/26/2014

P01

P03 3rd LED

GPIO, default pull-high input

Volume up button

Electrical Characteristics

Absolute Maximum Ratings

BM90SPKA5MG7

Rating

Min Max Max

Operation Temperature -40ºC +85ºC ºC

VDD_CORE, VCC_RF,

Core supply voltage

AVDD_SAR,

1.7V 1.98V

AVDD_PLL

Codec supply voltage VDD_AUDIO 3 V

I/O voltage VDD_IO 3.3 V

BK_VDD 4.3 V

Supply voltage

3V1_VIN 5 V

BAT_IN 4.3 V

ADAP_IN 7.7 V

LED[1:0] 5 V

Power switch 5 V

Recommended Operate Condition

V

Symbol Parameter Min Typical Max Unit

V

DD18

V

DDIO

T

OPERATION

T

Storage temperature -40 +125 ºC

stg

V

LDO supply voltage 1.8 3.3 V

LDO

V

Supply voltage for Battery_in 3.0 4.2 V

BAT_IN

Digital core supply voltage

SAR ADC supply voltage

CODEC supply voltage

I/O supply voltage 2.8 3 3.3 V

Operating temperature range -20 +25 +70 ºC

1.8 1.85 1.95 V

Version: 1.01 - 6 - 6/26/2014

Radio Characteristics:

Transmitter section for BDR

BM90SPKA5MG7

VCC_RF = 1.85V

Min Typ Max

Temperature = 25ºC

Bluetooth

Unit

specification

Maximum RF transmit power

3 4.0 -6 to 4 dBm

RF power variation over temperature

±2 dB

range with compensation enabled

RF power control range

20 ≥16 dB

RF power range control resolution 0.5 dB

20dB bandwidth for modulated carrier 900 ≤1000 KHz

ACP

F = F0±2MHz -28 ≤-20 dBm

F = F0±3MHz -46 ≤-40 dBm

Note:

F = F0±>3MHz -54 ≤-40 dBm

F0=2441MHz

∆f

maximum modulation 150 165

1avg

∆f

maximum modulation 140 150 ≥115 KHz

2max

∆f

/∆f

2avg

0.95 1 ≥0.80

1avg

140<∆f

1avg

<175

KHz

ICFT (abs) 0 5 10 75 KHz

Drift rate (abs) 2

7 ≤20

KHz/50u

s

Drift (single slot packet, abs) 12 ≤25 KHz

2nd harmonic content @ Tx= 4dBm -53 ≤-47 dBm

3rd harmonic content @ Tx= 4dBm -55 ≤-47 dBm

Version: 1.01 - 7 - 6/26/2014

Receiver section for BDR

BM90SPKA5MG7

Temperature = 25ºC

Min Typ Max

(GHz)

2.402 -90

Frequency

Sensitivity at 0.1% BER for

all basic rate packet types

2.480 -90

Maximum received signal at 0.1%

-10 ≥-20 dBm

BER

C/I co-channel 5

F =

-7

F0+1MHz

Bluetooth

Unit

specification

≤-70 dBm 2.441 -90

≤11 dB

≤0 dB

F =

F0-1MHz

F =

Adjacent channel

selectivity C/I

Note: F0=2441MHz

F0+2MHz

F =

F0-2MHz

F =

F0-3MHz

F =

F0+5MHz

F = F

image

Maximum level of intermodulation

interferers

-7

-36

-22

-24

-50

-22

-38 ≥-39 dB

≤0 dB

≤-30 dB

≤-9 dB

≤-20 dB

≤-40 dB

≤-9 dB

Version: 1.01 - 8 - 6/26/2014

BM90SPKA5MG7

Transmitter Section for EDR

Temperature = 25ºC Min Typ Max

Bluetooth

Unit

specification

Relative transmit power

π/4 DQPSK max

carrier frequency

stability

8DPSK max carrier

frequency stability

|ωo|

freq. error

|ωi|

initial freq.

error

|ωo+ωi|

block freq.

error

|ωo|

freq. error

|ωi|

initial freq.

error

-1.6

5

10

10

5

10

-4 to 1 dB

≤10 for all

KHz

blocks

≤75 for all

KHz

blocks

≤75 for all

KHz

blocks

≤10 for all

KHz

blocks

≤75 for all

KHz

blocks

|ωo+ωi|

block freq.

error

RMS DEVM 7 ≤20 %

π/4 DQPSK

modulation accuracy

@ Tx= 2dBm

8DQPSK modulation

accuracy @ Tx=

2dBm

Version: 1.01 - 9 - 6/26/2014

99% DEVM

Peak DEVM 25 ≤35 %

RMS DEVM

99% DEVM

Peak DEVM 20 ≤25 %

10

Pass ≤30 %

7 ≤13 %

Pass

≤75 for all

KHz

blocks

≤20 %