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SL2ICS5401EW/V7 데이터시트(PDF) 17 Page - NXP Semiconductors |
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SL2ICS5401EW/V7 데이터시트(HTML) 17 Page - NXP Semiconductors |
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17 / 33 page ![]() 113730 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 3.0 — 14 March 2007 17 of 33 NXP Semiconductors SL2 ICS53/SL2 ICS54 I•CODE SLI-S/I•CODE SLI-S HC PUBLIC 8.1.3.8 Get multiple block protection status Command Code = B8h To the Get Multiple Block Protection Status command the label responds with the block protection status of the requested blocks. Remark: If the sum of the first block number and the number of blocks exceeds the total available number of user blocks the number of transmitted security status bytes is less than the requested number, which means that the last returned status byte is the one corresponding to the highest available user block, followed by the 16-bit CRC and the EOF. Table 30. Request format SOF Flags Get Multiple Block Protection Status IC Mfg code UID First Block Number Number of Blocks CRC16 EOF 8 bits 8 bits 8 bits 64 bits 8 bits 8 bits 16 bits 8 bits Table 31. Response format when Error_flag is set SOF Flags Error code CRC16 EOF 8 bits 8 bits 16 bits Table 32. Response format when Error_flag is NOT set SOF Flags Block Protection Status CRC16 EOF 8 bits 8 bits 16 bits Repeated as needed Table 33. Block protection status Bit Name Value Description b1 (LSB) Lock bit (WAC)[1] 0 Block is not locked 1 Block is locked (Lock Block command) b2 Read password protected 0 disabled 1 enabled b3 Write password protected 0 disabled 1 enabled b4 Page protection lock 0 1 not locked locked b5 to b8 (MSB) - 0 [1] WAC... Write access condition |
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