3.4.7 S/PDIF RX/TX Interfaces

The SAMA7G54-EK board features S/PDIF TX/RX interfaces.

S/PDIF (Sony/Philips Digital Interface) is a type of digital audio interconnect used to output audio. The signal is transmitted over a fiber optic cable with TOSLINK connectors.

The SAMA7G54-EK embeds the following:
  • Connector J19 for data transmit
  • Connector J18 for data receive
Figure 3-44. SPDIF Interface Schematic
Table 3-36. S/PDIF Signal Descriptions
PIO Signal Name Shared Signal Description
PB0 SPDIF_RX_PB0 – S/PDIF receive data
PB1 SPDIF_TX_PB1 – S/PDIF transmit data