| 摘要 |
<P>PROBLEM TO BE SOLVED: To make it unnecessary to perform timing adjustment in terminating a power saving mode of a CAN transceiver. <P>SOLUTION: An ECU 1 has: a CAN controller 18 which has a standby terminal STB, and a CAN transceiver 12 which has a transmission signal input terminal Txa connected to a transmission terminal Tx and a transmission circuit 22 generating a logical level signal based on a signal level of the transmission signal input terminal Txa and transmitting the logical level signal to a network bus NB, and puts an operation mode into a power saving mode or terminates the power saving mode. The ECU 1 makes the transmission circuit 22 transmit a recessive by inputting an H level to the transmission signal input terminal Txa. The ECU 1 has also a delay circuit 14 which makes the transmission circuit 22 transmit the recessive by inputting the H level signal to the transmission signal input terminal Txa of the CAN transceiver 12 in place of a signal of the transmission terminal Tx of the CAN controller 18, during predetermined time T since an instruction signal Sa for instructing termination of the power saving mode has been output. <P>COPYRIGHT: (C)2013,JPO&INPIT |
