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ST25DV04KC Datasheet(PDF) 89 Page - STMicroelectronics |
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ST25DV04KC Datasheet(HTML) 89 Page - STMicroelectronics |
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89 / 203 page  Table 110. Block security status b7 b6 b5 b4 b3 b2 b1 b0 Reserved for future use. All at 0. 0: Current block not locked 1: Current block locked Table 111. Read Single Block response format when Error_flag is set Response SOF Response_flags Error code CRC16 Response EOF - 8 bits 8 bits 16 bits - Response parameter: • Error code as Error_flag is set – 03h: command option not supported – 0Fh: error with no information – 10h: the specified block is not available – 15h: the specified block is read-protected Figure 41. Read Single Block frame exchange between VCD and ST25DVxxKC SOF Read Single Block request VCD ST25DVxxKC EOF SOF Read Single Block response EOF t1 7.6.7 Extended Read Single Block On receiving the Extended Read Single Block command, the ST25DVxxKC reads the requested block and sends back its 32-bit value in the response. When the Option_flag is set, the response includes the Block Security Status. Block number is coded on 2 Bytes so all memory blocks of ST25DV16KC and ST25DV64KC can be addressed using this command. Table 112. Extended Read Single Block request format Request SOF Request_flags Extended Read Single Block UID (1) Block number CRC16 Request EOF - 8 bits 30h 64 bits 16 bits 16 bits - 1. This field is optional. Request parameters: • Request flags • UID (optional) • Block number (from LSB byte to MSB byte) ST25DV04KC ST25DV16KC ST25DV64KC RF commands DS13519 - Rev 3 page 89/203 |
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