8. Appendix B: STA369BW Audio Daughter Board
The STA369BW Audio Daughter Board is a high-performance stereo codec board, which is suitable for adding audio
input and output capabilities to the Bluetooth Audio development platforms.
The STA369BW Audio Daughter Board has the following components:
• STMicroelectronics codec (STA369BW)
• Female 20-pin dual-row header (J1)
• Female 12-pin dual-row header (J2)
• Audio out connectors (CN1 and CN2)
Figure 8-1. STA369BW Audio Daughter Board
The following table provides the pin description of Audio Daughter Board headers.
Table 8-1. 20-Pin Audio Daughter Board Header (J1) Pin Details
Pin Name Pin Number Pin Name
GND 1 2 GND
UART_RXD 3 4 UART_CTS
UART_TXD 5 6 UART_RTS
I2C_SCL 7 8 RST
I2C_SDA 9 10 I2S_RFS1
I2S_DR1 11 12 I2S_SCLK1
I2S_DT1 13 14 I2S_MCLK1
BM83 EVB
Appendix B: STA369BW Audio Daughter Board
© 2019 Microchip Technology Inc.
User Guide
DS50002902A-page 55