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Full-featured HDLC-ports on ref boards with communication processor

Question asked by Sergey Gordienko on Jan 27, 2017
Latest reply on Jan 30, 2017 by Pavel Chubakov

Hi. I need a communication processor with HDLC-port for my project. The problem is it seems there is no a ref board with full-featured HDLC (TxCLK+TxData, RxCLK+RxData - sync and full-duplpex interface). TWR-MPC8309 board has two async half-duplex RS485 interfaces only. LS 1043A RDB, LS 1088A RDB, LS 1020A RDB don't have HDLC-ports at all! Is it possible to use GPIOs and write my own driver to get high-speed serial interface (up to 25 Mbps)? Is it possible to solder wires to TWR-MPC8309 to directly connect to MPC8309 HDLC-ports?