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hdlc external clocks

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We are trying ti use the serial ports E & F on RCM5700 module for HDLC frames.

We can configure the serial ports for internal or external clocks (SECR & SFCR registers bits 3:2).

When we use external clock option, are the transmit and receive clocks (TCLKE & RCLKE) inputs or could it be one of them input and the other output? For example if we select internal clocks we know both are outputs.

BR
Jose Luis
asked Jan 23, 2015 in Rabbit Software by jlrubio New to the Community (7 points)

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