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OM25180FDKM Datasheet(PDF) 38 Page - NXP Semiconductors |
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OM25180FDKM Datasheet(HTML) 38 Page - NXP Semiconductors |
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38 / 149 page  PN5180 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2016. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.0 — 7 October 2016 240930 38 of 149 NXP Semiconductors PN5180 High-performance multi-protocol full NFC Forum-compliant frontend This command is used to switch off the internal RF field. If enabled, the TX_RFOFF_IRQ is set after the field is switched off. ENABLE_TESTBUS_DIGITAL Description: This command enables the Digital test bus. There are several signal banks which can be selected. From the selected signal banks, the test signals can be routed to different pads. Attention: Test bus must be enabled before in the EEPROM settings (EEPROM address: 0x17, TESTBUS_ENABLE). TB_pos byte has to be configured in the following way: ENABLE_TESTBUS_ANALOG Description: This command enables the Analog test bus. Table 38. ENABLE_TESTBUS_DIGITAL Payload length (byte) Value/Description Command code 1 0x18 Parameter 1 Signal Bank 1*n TB_pos: Pad Location and test bus Bit Position n can have a value between 1 and 4 Response - - Table 39. TB_POS BitPos Value Description 0_3 0..7h Signal Selection of the Signal Bank 8h 13 MHz RF clock 9h..Fh RFU 4:7 0h IRQ pad 1h AUX1 pad 2h AUX2 pad 3h GPO1 4h..Fh RFU Table 40. ENABLE_TESTBUS_ANALOG Payload Length (byte) Value/Description Command code 1 0x19 Parameter 1 DAC output to AUX2 1 DAC output to AUX1 |
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