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ST25DV64K 数据表(PDF) 119 Page - STMicroelectronics |
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ST25DV64K 数据表(HTML) 119 Page - STMicroelectronics |
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119 / 200 page  Table 195. ManageGPO 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 write cycle. Table 196. ManageGPO 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: – 02h: command not recognized – 13h: the specified block was not successfully programmed (this error is generated if the ManageCPO GPOVAL value is not in line with the GPO interrupts setting as specified in Table 194. GPOVAL) Figure 59. Manage GPO frame exchange between VCD and ST25DVxxx SOF ManageGPO request VCD EOF ST25DVxxx t1 SOF ManageGPO response EOF 7.6.31 Write Message On receiving the Write Message command, the ST25DVxxx puts the data contained in the request into the Mailbox buffer, update the MB_LEN_Dyn register, and set bit RF_PUT_MSG in MB_CTRL_Dyn register. It then reports if the write operation was successful in the response. The ST25DVxxx Mailbox contains up to 256 data bytes which are filled from the first location '00'. MSGlength parameter of the command is the number of Data bytes minus - 1 (00 for 1 byte of data, FFh for 256 bytes of data). Write Message could be executed only when Mailbox is accessible by RF (fast transfer mode is enabled, previous RF message was read or time-out occurs, no I2C message to be read). User can check it by reading b1 of MB_CTRL_Dyn “HOST_PUT_MSG” which must be reset to “0”. The Option_flag is not supported. (refer to Section 5.1 Fast transfer mode (FTM)) Table 197. Write Message request format Request SOF Request_ flags Write Message IC Mfg code UID (1) MSGLength Message Data CRC16 Request EOF - 8 bits AAh 02h 64 bits 1 byte (MSGLength + 1) bytes 16 bits - 1. This field is optional. Request parameters: • Request flags • UID (optional) • Message Length • Message Data ST25DV04K ST25DV16K ST25DV64K RF commands DS10925 - Rev 9 page 119/200 |
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