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ST25DV64K 数据表(PDF) 96 Page - STMicroelectronics |
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ST25DV64K 数据表(HTML) 96 Page - STMicroelectronics |
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96 / 200 page  Table 134. Write Multiple Block response format when Error_flag is NOT set Response SOF Response_flags CRC16 Response EOF - 8 bits 16 bits - Response parameter: • No parameter. The response is sent back after the writing cycle. Table 135. Write Multiple 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 is not supported – 0Fh: error with no information given – 10h: the specified block is not available – 12h: the specified block is locked and its contents cannot be changed – 13h: the specified block was not successfully programmed Figure 43. Write Multiple Block frame exchange between VCD and ST25DVxxx SOF Write Multiple block request VCD EOF ST25DVxxx t1 SOF Write Multiple block response EOF SOF Write Multiple block response EOF ST25DVxxx Wt Write sequence when error 7.6.15 Extended Write Multiple Blocks On receiving the Extended Write multiple block command, the ST25DVxxx writes the data contained in the request to the targeted blocks and reports whether the write operation were successful in the response. ST25DVxxx supports up to 4 blocks, data field must be coherent with number of blocks to program. If some blocks overlaps areas, or overlap end of user memory the ST25DVxxx returns an error code and none of the blocks are programmed. When the Option_flag is set, wait for EOF to respond. During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%), otherwise the ST25DVxxx may not program correctly the data into the memory. The Wt time is equal to t1nom + m × 302 μs < 20 ms (m is an integer function of Nb number of blocks to be programmed). The inventory_flag must be set to 0. Block number is coded on 2 Bytes so all memory blocks of ST25DV16K-xx and ST25DV64K-xx can be addressed using this command. ST25DV04K ST25DV16K ST25DV64K RF commands DS10925 - Rev 9 page 96/200 |
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