Document
MY81SPK02M2
Datasheet v0.2
MY81SPK02M2
Bluetooth 3.0+EDR Stereo Audio module
MY81SPK02M2
5
Http://www.myland.com.hk
MY81SPK02M2
Datasheet v0.2
1. General Description
The MY81SPK02M2 Bluetooth module is designed using the ISSC IS1681S chip. The module is highly integrated, compact size, low power and high data rate. It requires very few external components to achieve high quality stereo audio streaming with remote control commands.
The MY81SPK02M2 provides remote control keys, operation status indication pins, stereo audio output, AUX input interface and NFC detection interface.
2. Features
1. Bluetooth 3.0+EDR compliant
2. Typical +2dBm Class 2 output power
3. Audio DAC: 94dB SNR
4. Build in Max. 250mAH Li-ion battery charging circuit
5. HSP, HFP, A2DP, AVRCP profile support
6. SBC decode for Bluetooth audio streaming
7. Voice prompt
8. Build in Line in interface
9. Build in MIC circuit 10. AGC/AVC,AEC
11. NFC support
12. EQ control
13. Size: 13.5mm x 26.8mm
MY81SPK02M2
5
Http://www.myland.com.hk
3. Application
High quality stereo headset High quality stereo speaker and HiFi High quality wireless stereo audio receiver
MY81SPK02M2
Datasheet v0.2
4. Outline Dimension & Pin Definition
MY81SPK02M2
5
Http://www.myland.com.hk
MY81SPK02M2
Datasheet v0.2
Pin No. I/O
Name
Description
GPIO, default pull-high input
1 I/O P20 System Configuration, H: Application L:
Baseband(IBDK Mode)
GPIO, default pull-high input
2 P P30 Line-in detection, 1: no line-in detected; 0:
line-in detected
GPIO, default pull-low input. Slide Switch 3 I/O P00
Detector
GPIO, default pull-high input 4 I/O P04
Audio AMP Enable or NFC detect
R-channel analog headphone output, 5 AO SPKR
single-ended application only
6 AO AOHPM Headphone common mode output/sense input
L-channel analog headphone output, 7 AO SPKL
single-ended application only
Reserve for external cap to fine tune audio 8 AP VDDA
frequency response
9 AP AGND Audio ground
10 AI MIC1_P Mic 1 mono differential analog positive input
11 AI MIC1_N Mic 1 mono differential analog negative input
12 AP MIC_BIAS Microphone biasing voltage
13 AI
AIR Stereo analog line in, R-channel
14 AI
AIL Stereo analog line in, L-channel
15 I/O RST_N System Reset Pin
16 P ADAP_IN Power adaptor input
VDDIO pin, for calibration only 17 P VDDIO
Do not add external power to this pin
18 P BAT_IN Battery input
19 P SYS_PW System Power Output
Default SAR input for battery detection 20 I/O SK1/P03
This pin can be re-defined as GPIO P03
21 P GND Digital ground
22 P BK_OUT Buck feedback sense pin
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
26 I/O 27 I/O
GPIO, default pull-high input P02
PLAY/PAUSE button P27 GPIO, default pull-high input,Forward button
MY81SPK02M2
5
Http://www.myland.com.hk
MY81SPK02M2
Datasheet v0.2
28 I/O
P05 GPIO, default pull-high input,REW button
29 O HCI_TXD HCI TX data
30 I HXI_RXD HCI RX.