| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an error check circuit which can confirm validity of data transmission on a small circuit scale. <P>SOLUTION: A parity arithmetic unit 6 generates a parity bit. A CRC error detection unit 7 generates a CRC code by using the parity bit output by the corresponding parity arithmetic unit 6 and performs error detection using the CRC code. A check sum error detection unit 10 generates a check sum for each of communication data and performs error detection using the check sum. A detection circuit 14 detects an error of the communication data based on the error detection result using the check sum and the error detection result using the CRC code. <P>COPYRIGHT: (C)2012,JPO&INPIT |
