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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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NTP53X2 датащи(PDF) 89 Page - NXP Semiconductors |
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NTP53X2 датащи(HTML) 89 Page - NXP Semiconductors |
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89 / 133 page  NXP Semiconductors NTP53x2 NTAG 5 link - NFC Forum-compliant I2C bridge NTP53x2 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved. Product data sheet Rev. 3.3 — 3 July 2020 COMPANY PUBLIC 544533 89 / 133 Table 191. WRITE I2C response format when Error_flag is NOT set Flags CRC16 8 bits 16 bits Table 192. WRITE I2C response format when Error_flag is set Flags Error Code CRC16 8 bits 8 bits 16 bits 8.2.3.8.2 READ I2C Command code = D5h READ I2C command is used to trigger an I2C master read command (R/W bit is 1b) on the I2C bus. Command parameters: • I2C param contains I2C address and STOP condition option • Data length N byte codes the length of bytes to be read from the slave. N+1 bytes will be read from the slave. E.g., to read one byte 00h needs to be coded. Maximum is FFh, which means 256 bytes will be read. Response to this command will follow immediately. The status register Table 106 indicates when the I2C read command is completed. To get the response of the addressed I2C slave device, the READ SRAM (see Section 8.2.3.6.1) command is used. Only Option_flag = 0b is supported. Table 193. READ I2C request format Flags READ I2C IC Mfg code UID I2C param Data length CRC16 8 bits 8 bits 8 bits 64 bits optional 8 bits 8 bits 16 bits Table 194. I2C param byte Bit Status Value Description 0b STOP condition will be generated at the end of transaction 7 Disable STOP condition 1b STOP condition will be omitted at the end of transaction 6 to 0 I2C Address xxh 7-bit I2C slave address of connected slave Table 195. READ I2C response format when Error_flag is NOT set Flags CRC16 8 bits 16 bits |
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