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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LRI1K датащи(PDF) 54 Page - STMicroelectronics |
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LRI1K датащи(HTML) 54 Page - STMicroelectronics |
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54 / 86 page  Commands codes LRI1K 54/86 Doc ID 17170 Rev 3 20.6 Read Multiple Block When receiving the Read Multiple Block command, the LRI1K reads the selected blocks and sends back their values in multiples of 32 bits in the response. The blocks are numbered from '00h’ to '1Fh' in the request. The “number of blocks” value corresponds to the number of blocks to be read after the first block. For example, if the “number of blocks” field contains the value 06h, 7 blocks will be read. The maximum number of blocks that can be read is 32. During Sequential Block Read, when the block address reaches 32, it rolls over to 0. The Option_flag is supported. Request parameters: ● Option_flag ● UID (Optional) ● First block number ● Number of blocks Response parameter: ● Block Locking Status if Option_flag is set (see Table 36: Block Locking status) ● N blocks of data Table 34. Read Multiple Block request format Request SOF Request_ flags Read Multiple Block UID First block number Number of blocks CRC16 Request EOF 8 bits 23h 64 bits 8 bits 8 bits 16 bits Table 35. Read Multiple Block response format when Error_flag is NOT set Response SOF Response_ flags Block Locking Status Data CRC16 Response EOF 8 bits 8 bits(1) 1. Repeated as needed. 32 bits(1) 16 bits Table 36. Block Locking status b7 b6 b5 b4 b3 b2 b1 b0 All 0 0: Current Block not locked 1: Current Block locked Table 37. Read Multiple Block response format when Error_flag is set Response SOF Response_flags Error code CRC16 Response EOF 8 bits 8 bits 16 bits |
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