SDLC/HDLC is not supported by General Standards Software provided with … Multi-Protocol Serial I/O with software configurable cable transceivers (RS422,…. RS-422/RS-485, TTL, SPI. HDLC, SDLC, X.25. CC-Link (NRZ/NRZI format, AR clock), SPI. FCS error (CRC-ITU-T), Abort, Short frame. Search of trigger data,…. This allows the SDLC controller for an easy integration into any CPU core. […]