Samsung BD-P1000 Service Manual page 130

Circuit Operating Descriptions
The same serial clock is used for both input and output ports, and it supports word clock synchronized audio
output. In addition, the audio interface supports an S/PDIF output interface port that is fully IEC-1937/958
compliant.
9) SDRAM Interface
The DMN-8602 device utilizes Synchronous DRAM (SDRAM) for the external memory bank due to the
flexibility and high sustainable bandwidth of SDRAM. The interface supports Single Data Rate (SDR) SDRAM
for the low-power/ low-cost market and Double Data Rate (DDR) SDRAM for high performance applications.
10) Serial I/O Interface
The DMN-8602 device Serial I/O (SIO) Interface module supports the following standard serial interfaces:
◆ Universal Asynchronous Receiver/Transmitter (UART)
◆ Serial Peripheral Interface (SPI)
◆ Infrared Interface (IR)
◆ Inter-device Communication (IDC)
These interfaces are described more fully in the following paragraphs.
13-10 Samsung Electronics