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NTP53X2 Datasheet(PDF) 51 Page - NXP Semiconductors |
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NTP53X2 Datasheet(HTML) 51 Page - NXP Semiconductors |
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51 / 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 51 / 133 Access Bit Name NFC I2C Value Description 1b GPIO_0 input is HIGH 0b 2 RFU R R 1b 0b I2C Interface not locked by arbiter 1 I2C_IF_LOCKED R R/W 1b Arbiter locked to I2C 0b NFC interface not locked by arbiter 0 NFC_IF_LOCKED R R 1b Arbiter locked to NFC 8.1.4.2 Configuration register On POR all CONFIG bits (see Section 8.1.3.13) are copied to CONFIG_REG. Some of these features may be changed with CONFIG_REG bits during a session. These features are valid at once. Most of them are just read only from NFC and/or I2C perspective. Table 89. Configuration Register Location (CONFIG_REG) Block Address NFC I2C Byte 0 Byte 1 Byte 2 Byte 3 A1h 10A1h CONFIG_0_REG CONFIG_1_REG CONFIG_2_REG RFU Table 90. Configuration Definition (CONFIG_0_REG) Access Bit Name NFC I2C Value Description 0b SRAM copy on POR disabled 7 SRAM_COPY_EN R R 1b SRAM copy on POR enabled 6 RFU R R 0b 0b NFC interface enabled 5 DISABLE_NFC R R/W 1b NFC interface disabled, no response to NFC commands 4 RFU R R 0b 3 RFU R R 0b 2 RFU R R 0b 1 RFU R R 0b 0b Normal Operation Mode 0 AUTO_STANDBY_MODE_EN R R/W 1b IC enters standby mode after boot if there is no RF field present automatically. |
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