PI 2 Design PI2AES - Figure 1 - PI2 AES Block Diagram

PI2Media PI2AES Hardware Reference Manual – P0.1 - 3/27/2019
PAGE 6
CLIFF OTJ6
PI2AES BLOCK DIAGRAM
PI2AES BLOCK DIAGRAMPI2AES BLOCK DIAGRAM
PI2AES BLOCK DIAGRAM
USB-A
HOST
USB-A
HOST
USB-A
HOST
USB-A
HOST
10/100 RJ45
w/Transformer
HDMI
40-Pin Expansion Header
GP IO
I2C
I2S (Slave Mode)
Raspb erry Pi ® or Clone
w/40-PIN GPIO Header
+5V
AP1155
LDO
WM8804 24-Bit
SPDIF Transmitter
(Master Mode)
I2S OUPUT
I2C CONTROL
Clock
Select
NDK NZ2520SD
22.792Mhz
RCA
2.5MM
DC Jack
5V @ 5A
Switching Supply
RS-422
Balanced
Driver
1:1 Isolation
Transformer
1:1 Isolation
Transformer
SPDIF OUTPUT
MCLK IN
40-Pin Socket
NDK NZ2520SD
24.576Mhz
AP1155
LDO
TOSLINK
OPTO
QUAD
BUFFER
QUAD LVDS
TRANSMITTER
I2S, I2C & PWR
EXPANSION
HEADER
HDMI
5V
Figure 1 – PI2AES Block Diagram