Audio; Stereo Speaker - Thundercomm Qualcomm Robotics RB5 Hardware User Manual

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4.2.1 Audio

RB5 provide below interface for audio.
One 4 data bit PCM/I2S with 6 wires: CLK, FS, D0~D3, are connected directly to the
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QRB5165 SoC. These signals are driven at 1.8 V
2 WSA8815 amplifiers are on-board and 2 pairs of speaker signals are routed to LS2.
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1 digital mic on development board
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3 pairs of DMIC signals are routed to LS
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4.2.2 Stereo speaker

The speaker signals are routed from the 2 on board WSA8815. The signals are:
Copyright© 2020 Thundercomm Technology Co., Ltd. All rights reserved.
VBAT
GND
GPIO_X
GPIO_Y
RB5 Signal
GPIO_Z
CAN_H
CAN_L
VREG_IO_1P8
GND
PM_GPIO-A
PM_GPIO-B
GPIO-M/QUP-B0
GPIO-N/QUP-B1
GPIO-O/QUP-B2
GPIO-P/QUP-B3
GPIO-Q
GPIO-R
GPIO-S
GPIO-T
PM_AMUX1
PM_AMUX2
BATT_THERM
BATT_ID
USB_VBUS
GND
GPIO-AA
GPIO-BB
Robotics RB5 Development Kit Hardware User Manual
CAM5_RST_N
CAM4_PWDN
Additional Info
CAM4_RST_N
PM8150L GPIO6
PM8150L GPIO10
QUP9
QUP9
QUP9/PWM
QUP9/BOOT_CONFIG 0
GPIO 147
GPIO 148
GPIO 148
GPIO 149
PM8150L
PM8150L
CAM4_PWDN
CAM5_PWDN/BOOT_CONFIG 1
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