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NTP53X2 bảng dữ liệu(PDF) 57 Page - NXP Semiconductors |
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NTP53X2 bảng dữ liệu(HTML) 57 Page - NXP Semiconductors |
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57 / 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 57 / 133 Table 102. ED_INTR_CLEAR_REG location Block Address NFC I2C Byte 0 Byte 1 Byte 2 Byte 3 ABh 10ABh ED_INTR_ CLEAR_REG RFU 8.1.4.12 I2C master status registers I2C master status can be checked by reading I2C master session register bits from NFC perspective. There is no write access to these registers. Details can be found in I2C master section. NOTE: In I2C master mode there is no access to the registers from I²C perspective. NOTE: I2C master is only available for NTP5332. Table 103. I2C Master Configuration Register Location Block Address NFC I2C Byte 0 Byte 1 Byte 2 Byte 3 ACh 10ACh I2C_M_S_ADD_REG I2C_M_LEN_REG RFU RFU ADh 10ADh I2C_M_STATUS_REG RFU Table 104. I2C Slave Address used in I2C master transaction (I2C_M_S_ADD_REG) Access Bit Name NFC I2C Value Description 0b STOP condition generated at the end of transaction 7 I2C_M_RS_EN R R 1b no STOP condition generated 6 to 0 I2C_M_S_ADD R R 00h I2C slave of last addressed slave Table 105. I2C Master Data Length Definition (I2C_M_LEN_REG) Bit Name Value Description 7 to 0 I2C_M_LEN_REG all 0b Codes the data length written to or read from I2C slave during last I2C transaction. Data length in bytes is I2C_M_LEN_REG plus 1. Table 106. I2C Master Status Definition (I2C_M_STATUS_REG) Access Bit Name NFC I2C Value Description 7 to 4 RFU R R 0000b 0b WDT did not expire in last transaction 3 I2C_M_WDT_EXPIRED R R 1b WDT expired in last transaction. This bit resets automatically, when new transaction is triggered. |
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