Audio Processor PCB Design

Added 19 components

0:09

Added 10x Generic Capacitor as C3, C4, C5, C6, C7, C8, C9, C10, C11, C12

Added 4x Generic Resistor as R1, R2, R3, R4

Added 3x Generic Inductor as L1, L2, L3

Added 1x TPD4E02B04DQA as D1

Added 1x TPD3E001DRLR as D2

Added connectors and peripherals

3:04

Started: Pick and add connectors and peripherals: add a USB-C power-only receptacle with 5.1 kΩ CC resistors; 3.5 mm TRS jacks for line-in and line-out; 2.54 mm header for stereo out; nRF5340-CLAA-R7 I2S header; 0 Ω jumper footprints for I2S master selection; test-pad footprints for power rails, I2C, I2S, reset, boot; input-select switch; and DSP active LED..
Search 7 components.
Search complete.

Added 21 components

0:19

Added 10x 5019 as TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10

Added 4x Generic Resistor as R5, R6, R7, R8

Added 1x Type-C-2.0-6Pin as J1

Added 2x SJ1-3533NG as J1, J2

Added 1x 0022232031 as J3

Added 1x 61300411121 as J4

Added 1x 450404015514 as S1

Added 1x LED 0603 (1608 Metric) as LED1

Making net connections for power and signals...

1:41

Started: Make all net connections: wire 5 V, 3.3 V, 1.8 V rails; connect shared I2C and pull-ups; route clock to ADAU1701; connect EEPROM to ADAU1701 boot pins; connect I2S nets between ADAU1701, ESP32C6, and nRF5340 header; AC-couple line-in signals to ADAU1701 ADC inputs; route ADAU1701 DAC outputs through headphone amp and to stereo line-out; tie CC resistors to USB-C CC1 and CC2 pins; connect all grounds..

Updated 22 nets

0:12

Connected J1:V-BUS, J1:V-BUS__1, L1:P1, U5:IN, U2:5V, U4:VDD, U4:HPVDD

Connected U5:OUT, L2:P1, U2:3V3, U2:3V3_1, U1:IOVDD, U1:DVDD

Connected U6:OUT, L3:P1, U1:PVDD, U1:AVDD

Connected U2:SDIO-DATA2_GPIO22_SDA_D4, U3:SDA, U1:SDA/COUT, R1:P2

Connected U2:SDIO-DATA3_GPIO23_SCL_D5, U3:SCL, U1:SCL/CCLK, R2:P2

Connected Y1:3 to U1:MCLKI

Connected U1:SCL/CCLK, U2:D8_SCK_GPIO19_SDIO-CLK, J4:1

Connected U1:CLATCH/WP, U2:D7_RX_GPIO17, J4:2

Connected U1:SDA/COUT, U2:D9_MISO_GPIO20_SDIO-DATA0, J4:3

Connected J1:S to C2:P1

Connected C2:P2 to U1:ADC0

Connected J1:R to C3:P1

Connected C3:P2 to U1:ADC1

Connected U1:VOUT0 to R3:P1

Connected R3:P2 to U4:INL+

Connected U1:VOUT1 to R4:P1

Connected R4:P2 to U4:INR+

Connected U4:OUTL to J3:1

Connected U4:OUTR to J3:2

Connected J1:CC1 to R5:P1

Connected J1:CC2 to R6:P1

Connected J1:GND, J1:GND__1, J1:SHIELD, J1:SHIELD__1, J1:SHIELD__2, J1:SHIELD__3, U1:AGND, U1:DGND, U1:PGND, U4:PGND, U4:SGND, U2:GND, U2:GND_1, U2:GND_PAD, U3:GND, U5:GND, U6:GND, D1:G, D1:G, D2:G

Worked

flux

Work completed
  • Steps 1–6 of the implementation plan (project description, system architecture, ICs, active/passive parts, connectors/peripherals) have been finished.
Tasks remaining 7. Make all net connections 8. Review schematic for completeness 9. Footprint review 10. Define 2-layer PCB stackup 11. Set board size to 50 mm × 35 mm 12. Assign copper layers for VCC and GND planes 13. Enable ground fills on both layers 14. Add four M2 mounting holes (3 mm from edges) 15. Pause for review of dimensions, mounting holes, and stackup
Success criteria have not yet been met; the netlist and layout preparation are still pending.
Recommended next step Proceed with step 7: wire up all power, signal, and ground nets in the schematic.
Sign up to send
U1 CLATCH/WP - U2 D7_RX_GPIO17
U4 SGND - U2 GND
U1 CLATCH/WP - U2 D7_RX_GPIO17
U2 SDIO-DATA2_GPIO22_SDA_D4 - U3 SDA
C2 P2 - U1 ADC0
U1 VOUT0 - R3 P1
U1 VOUT1 - R4 P1
U2 GND_PAD - U3 GND
U2 SDIO-DATA3_GPIO23_SCL_D5 - U3 SCL
U2 SDIO-DATA2_GPIO22_SDA_D4 - U3 SDA
Y1 3 - U1 MCLKI
U2 GND_PAD - U3 GND
U6 OUT - L3 P1
U2 GND_PAD - U3 GND
U1 PGND - U4 PGND
U5 OUT - L2 P1
U5 OUT - L2 P1
U2 SDIO-DATA3_GPIO23_SCL_D5 - U3 SCL
U2 SDIO-DATA3_GPIO23_SCL_D5 - U3 SCL
U4 SGND - U2 GND
U2 SDIO-DATA2_GPIO22_SDA_D4 - U3 SDA
C3 P2 - U1 ADC1
L1 P1 - U5 IN
U6
U2
U1
D2
D1

FrontRow prototype 01

FrontRow prototype 01 thumbnail
Audio Processor Board with ADAU1701 SigmaDSP and XIAO ESP32C6

Properties

Arduino

Diagram



  
    
  
  
    
  



PowerSubsystem


Control


DSP_Module


I_O


Connectors



















Power Subsystem
XIAO ESP32C6
ADAU1701 SigmaDSP
24LC EEPROM
Headphone Amplifier
USB-C Connector
Analog Inputs
"Digital Inputs (I2S)"
Headphone Out
Line Out

10

creativecommons.org/licenses/by/4.0/

Audio Processor Board with ADAU1701 SigmaDSP and XIAO ESP32C6

USB

USB

Consumer Electronics

FrontRow prototype 01

Pricing & Availability

Distributor

Qty 1

Arrow

$13.91–$98.99

Digi-Key

$24.33–$242.14

LCSC

$21.39

Mouser

$25.63–$31.72

TME

$1.77

Verical

$13.31–$29.39

Controls