Preliminary Datasheet
BM85SPK01
BM85SPK01
Bluetooth 3.0 EDR Wireless Speaker Module
4F, No.8, Dusing Rd., Hsinchu Science Park, Hsinchu city 30078, Taiwan, R.O.C Version:0.96
Phone: 886-3-577-8385 11/14/2011
Fax: 886-3-577-8501
Preliminary Datasheet
BM85SPK01
Product Description
The ISSC BM85SPK01 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 ISSC Bluetooth stack and profile, the ISSC
BM85SPK01 provides a low power and ultra-low cost Bluetooth 3.0 EDR
solution for wireless voice/audio applications.
Features
Main Chip: ISSC IS1685S
Bluetooth 3.0 EDR compliant
Max. +4dBm Class 2 output power
Receiver Sensitivity: GFSK typical -91dBm, π/4 PSK typical -92dBm,
8DPSK typical -84dBm
Piconet and Scatter net support
HCI UART interface
CVSD, A-law, µ-law CODEC algorithms for voice applications
SBC decode for Bluetooth audio streaming
Build-in High performance mono audio codec
Cap-less/single end headphone driver
Audio DAC: 94dB SNR
HSP, HFP, A2DP profile support
3.3V operating voltage
ROM version: 32Kb EEPROM
32 pins for DIP module, 33pins for SMT module (with additional 33 pin)
Size: 15mm x28mm
Build-in PCB Antenna
RoHS compliant
Version: 0.96 -2- 11/14/2011
Preliminary Datasheet
BM85SPK01
Device Pinout Diagram
33
1 BT_RF 32
2 P30 GND 31
3 P20 P16 30
4 P00 HCI_RXD 29
5 P04 HCI_TXD 28
6 EAN P05 27
7 AOHPM P22 26
8 SPKL+ P24 25
9 CODEC_VIN LED2 24
10 AGND LED1 23
11 MIC_P1 MFB 22
12 MIC_N1 GND 21
13 MIC_BIAS BK_OUT 20
14 P23 SYS_PW 19
15 P15 BAT_IN 18
16 RST_N ADAP_IN_IC 17
P12 P13
Version: 0.96 -3- 11/14/2011
Preliminary Datasheet
BM85SPK01
Pin Definition
Pin No. I/O Name Description
GPIO, default pull-high input
1 I/O P30
Reverved charger LED driver
GPIO, default pull-high input
2 I/O P20 System Configuration, H: Application L: Baseband(IBDK
Mode)
GPIO, default pull-low input.
3 I/O P00
Slide Switch Detector
GPIO, default pull-high input
4 I/O P04 Audio AMP Enable (When P1_6 is used for other
application)
5 I EAN NC
6 AO AOHPM Headphone common mode output/sense input
7 AO SPKL+ L-channel analog headphone output
Reserve for external cap to fine tune audio frequency
8 AP CODEC_VIN
response
9 AP AGND Audio ground
10 AI MIC_P1 Mic 1 mono differential analog positive input
11 AI MIC_N1 Mic 1 mono differential analog negative input
12 AP MIC_BIAS Microphone biasing voltage
GPIO, default pull-high input
13 I/O P23 Volume up key (default)
Volume up(long Press) for A2DP Enabled
GPIO, default pull-high input
14 I/O P15 Volume down (default)
Volume down(long Press) for A2DP Enabled
15 I/O RST_N System Reset Pin
GPIO, default pull-high input
16 I/O P12
Clock signal for OLED
GPIO, default pull-high input
17 I/O P13
Data signal for OLED
18 P ADAP_IN_IC Power adaptor input
19 P BAT_IN Battery input
20 P SYS_PW System Power Output
Version: 0.96 -4- 11/14/2011
Preliminary Datasheet
BM85SPK01
21 P BK_OUT Buck feedback sense pin
22 P GND Digital ground
Multi-Function Push Button key
23 P MFB
Combined Play/Pause key when A2DP enabled.
24 P LED1 LED Driver 1
25 P LED2 LED Driver 2
GPIO, default pull-high input
26 I/O P24
System Configuration, H: Boot Mode
GPIO, default pull-low input.
27 I/O P22
Keep alive for external LDO power enable application.
GPIO, default pull-high input
28 I/O P05
Play/Pause key when A2DP enabled
29 O HCI_TXD HCI TX data
30 I HXI_RXD HCI RX data
GPIO P1_6, default pull-high input
31 I/O P16
Audio AMP Enable
32 P GND Digital ground
NC for on board PCB antenna
33 AIO BT_RF
Antenna matching if an external antenna is used
Version: 0.96 -5- 11/14/2011
Preliminary Datasheet
BM85SPK01
Outline Dimension
BM85SPK01 Trace + Via (Bottom view of BM85SPK01)
Version: 0.96 -6- 11/14/2011
Preliminary Datasheet
BM85SPK01
SMT pad for the bottom PCB (For SMT approach)
Version: 0.96 -7- 11/14/2011
Preliminary Datasheet
BM85SPK01
Dip Format (For Dip approach)
DIP Module size:15mmx28mm
Dip Format (16+16 Dip pin out)
Version: 0.96 -8- 11/14/2011
Preliminary Datasheet
BM85SPK01
Application Circuit
Version: 0.96 -9- 11/14/2011
