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XMOS xCORE VocalFusion 4-Mic Kit for Amazon AVS, Hardware Manual

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XMOS xCORE VocalFusion 4-Mic Kit for Amazon AVS Hardware Manual Download Page 26

xCORE VocalFusion 4-Mic Kit for Amazon AVS Hardware Manual

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Copyright © 2017, All Rights Reserved.

Xmos Ltd. is the owner or licensee of this design, code, or Information (collectively, the “Information”) and
is providing it to you “AS IS” with no warranty of any kind, express or implied and shall have no liability in
relation to its use. Xmos Ltd. makes no representation that the Information, or any particular implementation
thereof, is or will be free from any claims of infringement and again, shall have no liability in relation to any
such claims.

XM011897A

Summary of Contents for xCORE VocalFusion 4-Mic Kit for Amazon AVS

Page 1: ...Amazon AVS is an application specific design targeted at far field voice capture and processing for Amazon Alexa Voice Service AVS applications The kit is based on the XMOS XVF3000 voice processor and...

Page 2: ...xCORE VocalFusion 4 Mic Kit for Amazon AVS Hardware Manual 2 25 Figure 1 xCORE VocalFusion BaseBoard Figure 2 xCORE VocalFusion Short Linear microphone board XM011897A...

Page 3: ...ty Four general purpose push button switches not currently used 13 user controlled LEDs not currently used Low jitter audio clock source An xSYS connector for an xTAG debug adapter xCORE VocalFusion X...

Page 4: ...xCORE microphone capture and voice processing library to provide beamforming acoustic echo cancellation noise suppression de reverberation and automatic gain control The XVF3000 device has 16 32 bit l...

Page 5: ...k 25 Microphone array connector XSYS connector Extension header J5 Extension header J6 Figure 4 Clock and oscillator locations 4 Stereo DAC with headphone amplifier A CS43L21 stereo DAC with integrate...

Page 6: ...ack locations 5 MEMS microphone board The microphone board is plugged into connector J3 on the BaseBoard using a ribbon cable A short ribbon cable should be used for signal integrity The microphones s...

Page 7: ...a clock buffer voltage level shifters and an EEPROM for optional identification The microphone signals are mapped onto the XVF3000 device as shown in Figure 7 Microphone xCORE GPIO Port MIC_CLK X0D12...

Page 8: ...X1D27 P4E1 I2C_SDA The addresses of devices on the I2C bus are shown below Device Address Si5351A Clock 0b1100010 0x62 CS43L21 DAC 0b1001010 0x4A 24LC08B EEPROM on microphone board 0b1010Xxx 0x5x Plea...

Page 9: ...creates a connection from the I O to GND To ensure correct behavior the port connected to the buttons P4A must always be defined as an input L E D _ 1 L E D _ 7 LED_11 LED_5 L E D _ 1 0 L E D _ 4 LE...

Page 10: ...1 X0D37 P16B9 LED_12 X0D38 P16B10 Figure 10 User interface GPIO 8 Extension headers The BaseBoard has a two extension headers J5 and J6 containing audio MCLK all I2S signals the secondary I2C bus see...

Page 11: ...and provided on pin 7 of J6 for connection to the host XVF3000 as I2C slave I2C control is provided via pins 9 and 12 on J5 This is the secondary XVF3000 I2C bus on which the XVF3000 is a slave see 6...

Page 12: ...0D11 P1D0 8 GND 9 X0D24 P1I0 I2C_SDA_EXT 10 X0D39 P1P0 11 GND 12 X0D25 P1J0 I2C_SCL_EXT 13 3V3 14 GND 15 EXT_MCLK 16 GND Figure 12 Extension header GPIO J5 Header pin J6 xCORE GPIO Port Signal 1 X1D37...

Page 13: ...1 in bottom side of the board USB Clock DAC 3 5 mm jack 25 Microphone array connector XSYS connector Extension header J5 Extension header J6 Figure 14 USB components The data lines from the USB micro...

Page 14: ...he XVF3000 device includes 2MBytes of QSPI flash memory which is interfaced by the GPIO connections shown in Figure 15 QSPI connection Pin Port QSPI_SS X0D01 P1B QSP_D0 X0D04 P4B0 QSP_D1 X0D05 P4B1 QS...

Page 15: ...escription TMS See note 7 JTAG Test Mode Select TCK See note 9 JTAG Test Clock TDI See note 5 JTAG Test Data In from debug adapter to xCORE TDO See note 13 JTAG Test Data Out from xCORE to debug adapt...

Page 16: ...X0D11 1D0 X0D12 1E0 MIC_CLK X0D13 1F0 MCLK_IN X0D14 4C0 8B0 16A8 32A28 MIC_0 X0D15 4C1 8B1 16A9 32A29 MIC_1 X0D16 4D0 8B2 16A10 MIC_2 X0D17 4D1 8B3 16A11 MIC_3 X0D18 4D2 8B4 16A12 MIC_4 X0D19 4D3 8B5...

Page 17: ...8B1 16A9 32A29 X1D16 4D0 8B2 16A10 X1D17 4D1 8B3 16A11 X1D18 4D2 8B4 16A12 X1D19 4D3 8B5 16A13 X1D20 4C2 8B6 16A14 32A30 X1D21 4C3 8B7 16A15 32A31 X1D26 4E0 8C0 16B0 I2C_SCL X1D27 4E1 8C1 16B1 I2C_SD...

Page 18: ...to Electrostatic Discharge ESD events Users should operate the xCORE VocalFusion 4 Mic Kit for Amazon AVS with appropriate ESD precautions in place 14 Dimensions The BaseBoard is 90x90mm square with a...

Page 19: ...5 16 Schematics The schematics for the Base Board included in the kit are shown in the first five figures below followed by the schematics for the linear array board For full reference schematics plea...

Page 20: ...29 VDDIOL 42 VDDIOR 52 VDDIOR 67 VDDIOR 78 VDDIOR 83 VDDIOR 92 VDDIOT 110 VDDIOT 111 OTP_VCC 105 PLL_AGND 104 PLL_AVDD 103 GND 129 NC 50 NC 65 U5B XVF3000 TQ128 C USB_DM 47 USB_DP 46 USB_ID 43 USB_RTU...

Page 21: ...MIC4_DATA MIC5_DATA LED0 LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8 LED9 LED10 LED11 LED12 MIC6_DATA MCLK GND BUT_A BUT_B BUT_C BUT_D R19 10K R20 10K R21 10K R22 10K GND GND GND 1A 2A 1B 2B SW1 EVQQ2F02...

Page 22: ...3A 9 4OE_N 13 4A 12 VCC 14 1Y 3 2Y 6 3Y 8 4Y 11 GND 7 TPAD 15 U11 74LVC125A GND 3V3 3V3 R27 220R RED D7 R28 220R RED D8 R29 220R RED D9 R30 220R RED D10 1OE_N 1 1A 2 2OE_N 4 2A 5 3OE_N 10 3A 9 4OE_N 1...

Page 23: ...CLK_DAC MCLK_DAC MCLK TP18 TP19 EXT_MCLK R17 0R I2C_SDA I2C_SCL GND 1 SDIO_D2 2 JTAG_TDI 3 JTAG_TDO 4 BTCX_FREQ GPIO1 5 GPIO0 6 ANT_SEL2 7 ANT_SEL1 8 GND 9 RST_N 10 VDD_3V3_EN 11 VDD_BAT 12 GND 13 GND...

Page 24: ...2 INH_N 6 VIN_SW 4 SW 3 FB 1 VIN_A 5 GND_PAD 7 GND 2 U3 ST1S06 GND L2 2U2 R6 4K7 R11 18K C5 22U GND GND 1V0 C4 4U7 5V PG_3V3 GND GND INH_N 6 VIN_SW 4 SW 3 FB 1 VIN_A 5 GND_PAD 7 GND 2 U1 ST1S06 GND L1...

Page 25: ...U7 FXL4TD245 3V3 GND T R_N LOW B TO A C11 100N 1V8 C12 100N GND C13 100N R8 10K GND GND R1 10K R2 10K GND GND MIC_CLK_IN GND MIC_CLK_IN 1 8 R7A 33R 2 7 R7B 33R 3 6 R7C 33R 4 5 R7D 33R 1V8 LEVEL SHIFTE...

Page 26: ...tively the Information and is providing it to you AS IS with no warranty of any kind express or implied and shall have no liability in relation to its use Xmos Ltd makes no representation that the Inf...

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