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ST25DV64K Scheda tecnica(PDF) 135 Page - STMicroelectronics |
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ST25DV64K Scheda tecnica(HTML) 135 Page - STMicroelectronics |
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135 / 220 page ![]() DocID027603 Rev 4 135/220 ST25DV04K ST25DV16K ST25DV64K RF operations 219 Request parameter: • Request flags • UID (optional) Response parameters: • Information flags set to 0Bh/0Fh. DSFID, AFI and IC reference fields are present. • UID code on 64 bits • DSFID value • AFI value • MemSize: Block size in bytes and memory size in number of blocks (only present for ST25DV04K-xx configurations) • ST25DVxxx IC reference: the 8 bits are significant. Table 120. Get System Info request format Request SOF Request_flags Get System Info UID(1) 1. Gray color means that the field is optional. CRC16 Request EOF - 8 bits 2Bh 64 bits 16 bits - Table 121. Get System Info response format Error_flag is NOT set Device Response SOF Response flags Information flags UID DSFID AFI Mem. Size IC ref. CRC16 Response EOF ST25DV64K-xx ST25DV16K-xx -00h 0Bh 64 bits 8 bits 8 bits NA(1) 26h 16 bits - ST25DV04K-xx 0Fh 037Fh 24h 1. Field not present in this configuration Table 122. Memory size MSB LSB 16 14 13 9 8 1 RFU Block size in byte Number of blocks 0h 03h 7Fh Table 123. Get System Info response format when Error_flag is set Response SOF Response_flags Error code CRC16 Response EOF - 01h 8 bits 16 bits - |
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