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M24LR64E-R Datasheet(PDF) 98 Page - STMicroelectronics |
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M24LR64E-R Datasheet(HTML) 98 Page - STMicroelectronics |
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98 / 140 page  Command codes M24LR64E-R 98/140 Doc ID 022712 Rev 3 Request parameter: ● Request flags ● UID (optional) Response parameters: ● Information flags set to 0Ch. DSFID, AFI and IC reference fields are present. ● UID code on 64 bits ● DSFID value ● AFI value ● M24LR64E-R IC reference: the 8 bits are significant. Response parameters: ● Information flags set to 0Fh. DSFID, AFI, Memory Size and IC reference fields are present. ● UID code on 64 bits ● DSFID value ● AFI value ● Memory size. The M24LR64E-R provides 2048 blocks (07FFh) of 4 bytes (03h) ● IC reference: the 8 bits are significant. Table 69. 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 70. Get System Info response format when Protocol_extension_flag = 0 and Error_flag is NOT set Response SOF Response _flags Information flags UID DSFID AFI IC ref. CRC16 Response EOF 00h 0Bh 64 bits 8 bits 8 bits 5Eh 16 bits Table 71. Get System Info response format when Protocol_extension_flag = 1 and Error_flag is NOT set Response SOF Response _flags Information flags UID DSFID AFI Memory size IC ref. CRC 16 Response EOF 00h 0Fh 64 bits 8 bits 8 bits 03 07FFh 5Eh 16 bits Table 72. 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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