Communication apparatus and an electronic component mounting apparatus
2012
The present invention aims at providing an electronic component mounting apparatus comprising error detection capable communication device by the CRC scheme without changing the data size, and a communication device. Communication device, a plurality of continuous pixels of the image data as a unit data, the CRC value of the upper bit group constituted by the upper bits of the unit data is calculated using a CRC polynomial which is set in advance CRC value calculation unit, and a difference calculation unit for calculating a difference between the sum and the CRC value of the lower bit group constituted by the lower-order bits of a plurality of pixels, one or more lower bits were selected from lower bit group by the difference by inverting, and a lower bit inverting section to equalize the CRC value the sum of the lower bits after inversion.
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