DSTM (FX2 stream protocol)

This subsystem implements a high-speed parallel interface using the FX2 FIFO mode.

There are no port properties on DSTM.

Protocol

TODO: document

IO

Performs a data transfer.

• subsystem: 0x05 (DSTM)
• command type: 0x03 (long)
• command payload: 8 bytes:
  • bytes 0-3: number of bytes to send
  • bytes 4-7: number of bytes to receive
• response payload: none
• long data OUT: data to send
• long data IN: received data

IO_EX

Performs a high-speed data transfer.

• subsystem: 0x05 (DSTM)
• command type: 0x04 (long)
• command payload: 8 bytes:
  • bytes 0-3: number of bytes to send
  • bytes 4-7: number of bytes to receive
• response payload: none
• long data OUT: data to send
• long data IN: received data