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LRI1K датащи(PDF) 65 Page - STMicroelectronics |
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LRI1K датащи(HTML) 65 Page - STMicroelectronics |
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65 / 86 page ![]() LRI1K Commands codes Doc ID 17170 Rev 3 65/86 20.15 Kill On receiving the Kill command, in the Addressed mode only, the LRI1K compares the kill code with the data contained in the request and reports whether the operation was successful in the response. If the command is received in the Non Addressed or the Selected mode, the LRI1K returns an error response. During the comparison cycle equal to tW, there should be no modulation (neither 100% nor 10%). Otherwise, the LRI1K may not match the kill code correctly. The tW time is equal to t1nom + 18 × 302µs. After a successful Kill command, the LRI1K is deactivated and does not interpret any other command. Request parameters: ● UID ● Kill Code Response parameter: ● No parameter. The response is send back after the writing cycle Response parameter: ● Error code as Error_flag is set: – 0Fh: other error – 14h: LRI1K not killed Table 63. Kill request format Request SOF Request_ flags Kill IC Mfg code UID Kill access Kill code CRC16 Request EOF 8 bits A6h 02h 64 bits 00h 32 bits 16 bits Table 64. Kill response format when Error_flag is NOT set Response SOF Response_flags CRC16 Response EOF 8 bits 16 bits Table 65. Kill response format when Error_flag is set Response SOF Response_flags Error code CRC16 Response EOF 8 bits 8 bits 16 bits Figure 53. Kill frame exchange between VCD and LRI1K VCD SOF Kill request EOF LRI1K <-t1-> SOF Kill response EOF Kill sequence when error LRI1K <------------ tW ------------><- t1 -> SOF Kill response EOF |
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