XMOS Audio Interface Quick Start Manual - page 7
XMOS Audio Interface - Quick Start Guide (1v0)
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Port map
The table below provides a full description of the port-to-pin mappings used on the
XAI board:
Pin
Port
Processor
1b
4b
8b
16b
2
XnD0
P1A0
SCLK (Serial Clock or Bit Clock)
XnD1
P1B0
LRCK (Left/Right Clock or Word Clock)
XnD2
P4A0 P8A0 P16A0
SDA (I2C)
XnD3
P4A1 P8A1 P16A1
XnD4
P4B0 P8A2 P16A2
SCL (I2C)
XnD5
P4B1 P8A3 P16A3
XnD6
P4B2 P8A4 P16A4
XnD7
P4B3 P8A5 P16A5
XnD8
P4A2 P8A6 P16A6
XnD9
P4A3 P8A7 P16A7
XnD10
P1C0
DAC_SD1
XnD11
P1D0
DAC_SD2
XnD12
P1E0
DAC_SD3
XnD13
P1F0
DAC_SD4
XnD14
P4C0 P8B0 P16A8
RST_N (Reset to CODEC)
XnD15
P4C1 P8B1 P16A9
Low Cost DAC Frequency Select
XnD16
P4D0 P8B2 P16A10
INT (Interrupt from CODEC)
XnD17
P4D1 P8B3 P16A11
XnD18
P4D2 P8B4 P16A12
XnD19
P4D3 P8B5 P16A13
XnD20
P4C2 P8B6 P16A14
XnD21
P4C3 P8B7 P16A15
XnD22
P1G0
ADC_SD1
XnD23
P1H0
ADC_SD2
XnD24
P1I0
ADC_SD3
XnD25
P1J0
Low Cost DAC LRCK
XnD26
P4E0 P8C0 P16B0
MIDI OUT
XnD27
P4E1 P8C1 P16B1
XnD28
P4F0 P8C2 P16B2
MIDI IN
XnD29
P4F1 P8C3 P16B3
XnD30
P4F2 P8C4 P16B4
XnD31
P4F3 P8C5 P16B5
XnD32
P4E2 P8C6 P16B6
XnD33
P4E3 P8C7 P16B7
XnD34
P1K0
SPDIF_TX
XnD35
P1L0
SPDIF_RX
XnD36
P1M0
P8D0 P16B8
CLK_OUT (From Clock Synchronisation Chip)
XnD37
P1N0
P8D1 P16B9
CLK_IN (To Clock Synchronisation Chip)
XnD38
P1O0
P8D2 P16B10
Low Cost DAC DATA
XnD39
P1P0
P8D3 P16B11
Low Cost DAC SCLK
XnD40
P8D4 P16B12
XnD41
P8D5 P16B13
XnD42
P8D6 P16B14
XnD43
P8D7 P16B15
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