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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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ST25DV04K Folha de dados(PDF) 84 Page - STMicroelectronics |
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ST25DV04K Folha de dados(HTML) 84 Page - STMicroelectronics |
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84 / 197 page  Table 108. 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 35. Read Single Block frame exchange between VCD and ST25DVxxx SOF Read Single Block request VCD ST25DVxxx EOF SOF Read Single Block response EOF t1 7.6.7 Extended Read Single Block On receiving the Extended Read Single Block command, the ST25DVxxx 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 ST25DV16K-xx and ST25DV64K-xx can be addressed using this command. Table 109. 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) Table 110. Extended Read Single Block response format when Error_flag is NOT set Response SOF Response_flags Block security status (1) Data CRC16 Response EOF - 8 bits 8 bits 32 bits 16 bits - 1. This field is optional. Response parameters: • Block security status if Option_flag is set (see Table 107. Block security status) • Four bytes of block data ST25DV04K ST25DV16K ST25DV64K RF commands DS10925 - Rev 11 page 84/197 |
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