Pi 2 Design Mercury Streamer, Hardware Reference Manual – P8
PAGE 21
4
VCC3
+3.3V from On-Board Switching Supply
5
GND
Ground
6
VCC3
+3.3V from On-Board Switching Supply
7
GND
Ground
8
VIN
+12V Input from Input Power Circuit
9
GND
Ground
10
VIN
+12V Input from Input Power Circuit
11
GND
Ground
12
VCC5
+5V from On-Board Switching Supply
13
GND
Ground
14
VCC5
+5V from On-Board Switching Supply
15
GND
Ground
16
VCC5
+5V from On-Board Switching Supply
Table 7 – Expansion Power Connector Pinout
8.15
P14 –USB
P14 is a standard Vertical, USB2.0 Host connector and conforms to the industry
standard USB2.0 Pinout. It is connected to the USB2504A USB Hub, Port 3. This
connector is not populated by default.
8.16
P15 – I2S OVER HDMI
P4 is a standard HDMI Female connector that carries the Differential I2S signal. Pinout
conforms to the PS Audio standards. The Pinout for P4 is shown in the following table.
P15 PIN
Name
Description
1
SDO-
I2S Data Minus
2
GND
Ground
3
SDO+
I2S Data Plus
4
BCK+
I2S Bit Clock Plus
5
GND
Ground
6
BCK-
I2S Bit Clock Minus
7
LRCLK- I2S Left/Right Clock Minus
