PI 2 Design Pi 2 Media PI2AES, Hardware Reference Manual

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PI2Media PI2AES
Hardware Reference Manual – P0.1 - 3/27/2019
PAGE 17
4 MUTE 1 = Mute On
5 SCL I2C Clock
6 SDA I2C Data
7 GND Ground
8 SDO Buffered I2S Data
9 LRCLK Buffered I2S Left/Right (Word) Clock
10 BCLK Buffered I2S Bit Clock
11 GND Ground
12 MCLK Buffered I2S Master Clock
13 GND Ground
14 *PSW Power Enable – Jumper with Pin 13 for auto on
15 VIN +12V to +48V Input
16 VIN +12V to +48V Input
Table 5 – I2S Expansion Header Pinout
8.1 P3 – XLR BALANCED OUTPUT
P3 is a 3-Pin XLR Connector. This 100-ohm connector carries the balanced digital
audio output.
8.2 P4 – I2S OVER HDMI
P4 is a standard HDMI Connector that carries the Differential I2S signal. Pinout
conforms to either the PS Audio (default) or Gustard standards. The Pinout for P4 is
shown in the following table.
P4 PIN Name Description
PS Audio Pinout Description
Gustard Pinout
1 SDO+ I2S Data Plus I2S Data Plus
2 GND Ground Ground
3 SDO- I2S Data Minus I2S Data Minus
4 BCK+ I2S Bit Clock Plus I2S Bit Clock Minus
5 GND Ground Ground
6 BCK- I2S Bit Clock Minus I2S Bit Clock Plus