uint32_twatchdog:1;/*When this bit is set the MAC disables the watchdog timer on the receiver. The MAC can receive frames of up to 16 383 bytes. When this bit is reset the MAC does not allow a receive frame which more than 2 048 bytes (10 240 if JE is set high) or the value programmed in Register (Watchdog Timeout Register). The MAC cuts off any bytes received after the watchdog limit number of bytes.*/