Identiv uTrust 4711F - Cntless_Get_P2 P_External_Rf

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Document Version 1.2

Last revised on

2017-09-26

Page 74 of 92

Reference Manual for uTrust 4701F and uTrust 4711F Readers

6.3.4.25. CNTLESS_GET_P2P_EXTERNAL_RF_STATE

This Escape command is supported through the READER_GENERIC_ESCAPE message.

This command is used to check if external RF is reset after the reader got detected in target mode.

Input:

Byte0

CLA

Byte1

INS

Byte2

Byte3

Byte4

Byte5

0xFF

0x70

0x04

0xE6

0x01

0x06 (opcode)

Output:

If the command is successful, a single byte is returned. This byte indicates the value of parameter.

Bit 0 => Set to logic 1, when a present external RF field is switched off

Bit 1 => Set to logic 1, when an external RF field is detected.

Bit 2 to Bit 7 => RFU bits always read as 0

Identiv uTrust 4711F - Cntless_Get_P2 P_External_Rf_State