Onkyo CR375 Users Manual
DATASHEET
B
4
2
6
-
A
B
1
5
1
0
B
4
2
6
-
A
B
1
B
4
2
6
-
A
Wireless Stereo Speaker Module
For Intensive Audio Applications
Specification
VERSION 0.40 15-Sep-2015
B
1
5
5
1
1
0
0
Revision History
Version
0.10
0.20
0.30
0.40
Created
Update Bluetooth Specification Version
Remove PCM function support
Modify maximum RF transmit Power descriptions
Change Summary Date Author
Dec, 25th, 13
Jun, 15th, 14
Oct, 15th, 14
Sep, 15th, 15
LY Kuo
LY Kuo
LY Kuo
LY Kuo
1 System Overview
1.1 General Description
B426-AB1510 is a stereo module, which are highly integrated, cost effective, low power consumptions with
Airoha AB1510 chip for intensive audio applications. It complies with Bluetooth system version 4.1 with EDR
function. The built-in noise reduction and echo cancellation functions enhance the voice quality. Advanced
multipoint supports HFP connection to two handsets for voice, or two A2DP sources for music play back. The
voice prompt function can be customized by customers for different voice commands.
1.2 Features
Bluetooth 4.1+EDR compliant
A2DP 1.3 and AVRCP 1.5 profile enable
HFP profile version 1.6 compliant
HSP profile version 1.2 compliant
AVRCP profile version 1.5 compliant
SBC decode
Class 1 or 2 type output power
Support for noise reduction and echo cancellation
Multi-band configurable EQ
Multipoint for HFP and A2DP
Support for voice prompt
Support SPI flash application
Support NFC application with wake-up and pairing function
Audio I/F:I2S
Integrated Li-ion battery charger supports 400mA fast charging
B426-AB1510
Stereo Speaker Module For Intensive Audio Applications
2 Module Package Information
2.1 Module Pin Definition
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
NC
GND
WAKE
PIO1
PIO2
PIO3
UART_RX
UART_TX
PIO11
PIO6
PIO7
PIO14
PIO15
PIO16
PIO17
GND
AB1510_Module with antenna
GND
SPK_RP
LRVCM
SPK_LP
LINE_IN_R
LINE_IN_L
MIC2_P
MIC2_N
MIC1_N
MIC1_P
MIC_BIAS
PIO4
VREGOUT_HV
BAT_IN
VCHG_IN
GND
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
B426-AB1510 Stereo Speaker Module for Intensive
Audio Applications Page 4 of 17 CONFIDENTIAL
Specification
Version 0.40 Sep-2015
SDA17SCL
18
LED020LED1
WP/PIO18
19
21
VCCIO
PIO5
23
22
VREGOUT_MV
PIO12
24
RST
25
26
Figure 2-1 Pin Definition
B426-AB1510
Stereo Speaker Module For Intensive Audio Applications
2.2 Pin Description
PIN
1 NC NC
2 GND
3 WAKE Input, Digital Input Pin with 125K pull up
4 PIO1 Input, Digital Input Pin with 750K pull up
5 PIO2 Input, Digital Input Pin with 750K pull up
6 PIO3 Input, Digital Input Pin with 750K pull up
7 UART_RX Input, Digital UART RX
8 UART_TX Output, Digital UART TX
9 PIO11 Input/Output, Digital Programmable IO
10 PIO6 Input/Output, Digital Programmable IO
11 PIO7 Input/Output, Digital Programmable IO
12 PIO14 Input/Output, Digital Programmable IO SPI/I2S
13 PIO15 Input/Output, Digital Programmable IO SPI/I2S
14 PIO16 Input/Output, Digital Programmable IO SPI/I2S
15 PIO17 Input/Output, Digital Programmable IO SPI/I2S
SIGNAL TYPE DESCRIPTION ALTERNATIVE
16 GND
17 SDA Input/Output, Digital I2C data line
18 SCL Input/Output, Digital I2C clock line
19 WP/PIO18 Output, Digital
20 LED0 Open Drain LED 0 for Red Light
21 LED1 Open Drain LED 1 for Blue Light
22 PIO5
23 VCCIO Supply, 1.8V~3.3V VCC for IO
24 PIO12 Input/Output, Digital Programmable IO LED3
25 VREGOUT_MV
26 RST Input, Digital Global reset
27 GND
28 VCHG_IN Supply, 5V VCC for Charger
Input/Output, Digital
AIO,Analog
Analog LDO output
Write Protect Control for
WP
EEPROM
Programmable IO UART_RTS
B426-AB1510 Stereo Speaker Module for Intensive
Audio Applications Page 5 of 17 CONFIDENTIAL
Specification
Version 0.40 Sep-2015
B426-AB1510
Stereo Speaker Module For Intensive Audio Applications
29 BAT_IN Supply
Switching/Linear regulator input
Battery input P, as
30 VREGOUT_HV
Analog LDO output
Input/Output, Digital
31 PIO4
Programmable IO UART_CTS
AIO,Analog
32 MIC_BIAS Analog Microphone bias
33 MIC1_P Analog Microphone 1 P-path
34 MIC1_N Analog Microphone 1 N-path
35 MIC2_N Analog Microphone 2 N-path
36 MIC2_P Analog Microphone 2 P-path
37 LINE_IN_L Analog Line in L-path
38 LINE_IN_R Analog Line in R-path
39 SPK_LP Analog Speaker output LP
40 LRVCM Analog Speaker output LRVCM
41 SPK_RP Analog Speaker output RP
42 GND
Table 2-1 Pin Description
2.3 Module package and PCB footprint dimensions
1
16
Figure 2-2 Module package dimensions Figure 2-3 Module PCB footprint dimensions
Dimesion:25mm(L)x14.5mm(W)x0.8mm(H)
42
27
B426-AB1510 Stereo Speaker Module for Intensive
Audio Applications Page 6 of 17 CONFIDENTIAL
Specification
Version 0.40 Sep-2015
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