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Figure 7:
Analog output
stage
allow the common TDM line to the 8 output channels to connect to any one of the four
digital outputs on the xcore.
Mode
I2S
TDM output from X_DAC_D0
TDM output from X_DAC_D1
Figure 8:
TDM output from X_DAC_D2
Analog output
configuration
TDM output from X_DAC_D3
Pin 1 of each jumper is denoted by a triangle on the silk-screen.
The DAC registers are accessed via the I2C bus - see §14.
Notes:
Details of the audio clocking scheme can be found in §11.
8
xcore.ai Multichannel Audio Board 1v1 Hardware Manual
Shorting Jumper Position
J3
J8
J10
2-3
2-3
2-3
1-2, 3-4
1-2
1-2
1-2
1-2, 3-4
1-2
1-2
1-2
1-2, 3-4
1-2
1-2
1-2
J12
2-3
1-2
1-2
1-2
1-2, 3-4
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