xCORE VocalFusion 4-Mic Kit for Amazon AVS Hardware Manual
1
Features
A block diagram for the
xCORE VocalFusion 4-Mic Kit for Amazon AVS
is shown
in Figure
below. It includes:
·
xCORE VocalFusion XVF3000 voice processor
·
Four MEMS microphones (on a separate board)
·
A micro-USB connector for power (and optionally USB2.0 device connectivity)
·
An extension header for I2S audio and I2C control connectivity
·
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
XVF3000
TILE CLK to xCore
DAC-MCLK
PLL CLK
Device
BUFFER
MCLK
25 MHz
DAC
CS43L21
Infineon
IM69D130
HP
USB
Type-B
1v
3v3
2v5
XTAG(J2)
MIC2
MIC1
MIC0
MIC3
MIC-DATA[3:0]
MIC-CLK
Buffer
MIC CLK[3:0]
JTAG
LEDs
BUFFER
PUSH BUTTON
D-FF
3.5mm Jack
USB diff pair
Expansion
Header
Separate board with
4 microphones
I2C
I2S
EEPROM
I2C
I2S
Figure 3:
xCORE
VocalFusion
4-Mic Kit for
Amazon AVS
block
diagram
XM011897A
