User's Manual

B426-AB1510
Stereo Speaker Module For Intensive Audio Applications
B426-AB1510 Stereo Speaker Module for Intensive
Audio Applications Page 5 of 17 CONFIDENTIAL
Specification
Version 0.40 Sep-2015
2.2 Pin Description
PIN SIGNAL TYPE DESCRIPTION ALTERNATIVE
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
16 GND
17 SDA Input/Output, Digital I2C data line
18 SCL Input/Output, Digital I2C clock line
19 WP/PIO18 Output, Digital
Write Protect Control for
EEPROM
WP
20 LED0 Open Drain LED 0 for Red Light
21 LED1 Open Drain LED 1 for Blue Light
22 PIO5
Input/Output, Digital
AIO,Analog
Programmable IO UART_RTS
23 VCCIO Supply, 1.8V~3.3V VCC for IO
24 PIO12 Input/Output, Digital Programmable IO LED3
25 VREGOUT_MV Analog LDO output
26 RST Input, Digital Global reset
27 GND
28 VCHG_IN Supply, 5V VCC for Charger