PIC32 Audio Codec Daughter Board – AK4642EN Information Sheet Thank you for purchasing a PIC32 Audio Codec Daughter Board – AK4642EN. This information sheet provides important information that will help you successfully use the daughter board as quickly as possible. This daughter board is designed specifically to be used with the PIC32 Bluetooth® Audio Development Kit (DV320032); however, it can also be used with other Microchip development hardware. For more information about this daughter board, please visit: http://www.microchip.com. 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All other trademarks mentioned herein are property of their respective companies. © 2014, Microchip Technology Incorporated, Printed in the U.S.A. All Rights Reserved. 03/14 DS50002318A *DS50002318A* The PIC32 Audio Codec Daughter Board – AK4642EN is a high-performance stereo codec board for selected PIC32 hardware development platforms. This board features the AKM AK4642EN stereo codec, which includes built-in microphone and headphone amplifiers. This board is suitable for adding audio input and output capabilities to the PIC32 Bluetooth Starter Kit, and as previously mentioned, it is compatible with the PIC32 Bluetooth Audio Development Kit. The PIC32 Audio Codec Daughter Board – AK4642EN features include: • AK4642EN Codec • MCP1801 Power Regulator • On-board MEMs Microphone • 3.5 mm Inputs and Outputs: - Line in - External Mic in - Line out - Headphone out Additional Information For more information on drivers and examples, please visit: • www.microchip.com/pic32btsuites • www.microchip.com/harmony PIC32 AK4642EN Daughter Board Information Sheet 5.6k 1uF C7 +3.3V LLINE_IN C19 220pF 5 UART1_Rx UART1_Tx SCL1 SDA1 I2S1_SDI I2S1_SDO C25 10uF (DNP) 3 1 R18 5.6k 1uF C8 +9 V RLINE_IN J3 R19 5.6k SJ1-3535NG-BE C20 220pF (Blue) UART1_CTS# UART1_RTS# STBY/RST I2S1_LRCL I2S1_BCLK I2S1_MCLK R22 100k J2 (FRAME/SS#) (SCK1) (REFCLKO) +3.3V +5V_PD CARD_ID MPWR HDR-2.54 Female 2x10 10uF 2 R23 8.2k C18 C12 10uF LIN2 1 4 5 R13 2.2k RIN1 R12 2.2k R31 (DNP) VDD MIC3 SJ1-3535NG-PI VSS GAIN OUTPUT STBY/RST MEMS_MIC_OUT DVDD Rf=22K MPWR SCL1 SDA1 C30 (Set By User) JP1 Shunt 2.54mm 1x2 J8 Jumper Positions Shunt 2.54mm 1x2 pins 3,5: Shorted pins 4,6: Shorted pins 5,6: N/C pins 1,2: N/C R20 6.8R C23 47uF LHP1_OUT J7 6.8R RIN2 IN2RLINE_IN C21 0.22uF R5 10R C22 0.22uF R6 10R 47uF UART1_RTS# UART1_CTS# UART1_Rx (DNP) R25 100k I2S1_SDI (DNP) 5 6 7 8 9 10 11 12 13 I2S1_LRCL 14 I2S1_BCLK R4 AVDD C13 10uF R7 100R C16 10uF LINE OUT LLINE_OUT AVDD RIN2/IN2- VCOC MIN 30 29 LIN1 IN2+ IN2- 28 I2C LOUT PDN ROUT 27 LLINE_OUT CSN/CAD0 MUTET CCLK/SCL HPL CDTI/SDA HPR 26 25 24 RLINE_OUT C5 1uF LHP1_OUT SDTI HVSS SDTO HVDD LRCK SPP BICK SPN 23 RHP1_OUT 22 21 C4 0.1uF AVDD 20 19 4 1 16 DVDD DVSS MCKO MCKI 18 17 I2S1_MCLK R1 0R +5V_PD 5 R8 100R RLINE_OUT C14 10uF 15 2 R14 47k SJ1-3535NG-GR (Green) 10R C3 0.1uF R2 0.1R HP OUT J5 LIN2/IN2+ 31 DVDD 3 C24 1 2 3 4 5 6 UART1_Tx 5 R21 R24 100k HDR-2.54 (DNP) 4 RHP1_OUT I2S1_SDO DVDD HDR-2.54 Male 2x3 2 AVSS RIN1 33 pins 1,3: Shorted pins 2,4: Shorted LIN2 IN2+ LLINE_IN 5 3 1 6 4 2 LINE IN Selected LIN1/IN1- JP2 J8 MIC 1 IN Selected VCOM 32 R26 0R R32 (Set By User) MPWR (Pink) 4 Rs=2.44k CMA-4544PF-W J4 SPU0414HR5H-SB LIN1 R28 (DNP) R27 (DNP) MIC2 DVDD C28 (DNP) RIN2 1 C29 0.1uF C11 1uF 2 C10 1uF RIN1/IN1+ (DNP) 1 C9 1uF 3 (DNP) 3 2 R29 AK4642EN MPWR (DNP) AVDD 2 R11 2.2k MIC 2 IN R30 C27 MPWR MPWR C2 0.1uF 4 HDR-2.54 Female 2x6 MEMS_MIC_OUT MIC 1 IN C1 0.1uF 3 2.2uF MB CONN (DNP) 1 approx 0.25V AVDD R10 10M C26 U1 19 17 15 13 11 9 7 5 3 1 20 18 16 14 12 10 8 6 4 2 R17 5.6k 4 J1 R9 10M T-PAD R16 2 11 9 7 5 3 1 12 10 8 6 4 2 LINE IN R15 47k 1 3 C15 1 10uF J6 SJ1-3535NG (Black) 3 4 U2 VIN VOUT DVDD C6 1uF SHDN NC R3 0.1R 5 VSS C17 10uF 2 MCP1801/3.3V DS50002318A