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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCA2117DUGS/DA датащи(PDF) 52 Page - NXP Semiconductors |
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PCA2117DUGS/DA датащи(HTML) 52 Page - NXP Semiconductors |
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52 / 107 page  PCA2117 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 4 — 8 April 2015 52 of 107 NXP Semiconductors PCA2117 Automotive LCD driver for character displays – The checksum is the result of the CRC-8 operation on the values loaded with the Write_data command and the previous register content. The polynomial used is . – The checksum result is reset when the bits of the command select RS[1:0] or R/W are changed. 8.5.3 CGROM The Character Generator ROM (CGROM) contains 240 character patterns in a 5 8dot format from 8-bit character codes. The PCA2117 has the character set shown in Figure 34. It can be provided with other character sets on request. Fig 32. Logic diagram of the CRC8 generator Fig 33. Checksum generation x 8 x 5 x 4 1 +++ |
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