STRFNFCA datasheet(65/74 Pages) STMICROELECTRONICS

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STRFNFCA

Examples of STRFNFCA command code to activate NFC Forum and ISO/IEC 15693

Doc ID 023077 Rev 10

65/74

>>> SENDRECV, 9570 7910000069 28

<<< 80 06 00 FE51 080000

--> UID = 04179F10000069

--> TAG selected

------ ISO14443-A END OF ANTICOLLISION ALGORITHM ------

REM,

READ @A5

>>> SENDRECV, 300C 28

<<< 80 15 00000000FFFFFFFFFFFFFFFFFFFFFFFF F4CD 080000

REM,

WRITE @0C data A5

>>> SENDRECV, A20CA5A5A5A5 28

<<< 8700 : Frame wait time out OR no tag

REM,

READ @A5

>>> SENDRECV, 300C 28

<<< 80 15 A5A5A5A5FFFFFFFFFFFFFFFFFFFFFFFF 84D8 080000

D.1.3

NFC Forum Tag Type 4A

**** STRFNFCA code example to support NFC Forum Tag Type 4A (14443-

NDEF message

REM, 14443B (STRFNFCA Protocol Selection 14443_A)

REM, first Byte 01 in DLL_STCMD is only requested by STRFNFCA

Development SW

********** STRFNFCA setting to support extended Frame Waiting Time

**********

>>> 020402000180

<<< 0000

REM, Optimization of synchronization between digital and analog

inputs by adjusting TimerW value (default 0x52, min. 0x50, max.

0x60). Recommended value is 0x56 or 0x58 for NFC Forum Tag Type 1

(Topaz).

>>> 09043A005804

<<< 0000

REM,

Recommended modulation and gain is 0xD1 or 0xD3 for NFC Forum

Tag Type 1 (Topaz).

>>> 0904680101D1

<<< 0000

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