ST95HF datasheet(79/93 Pages) STMICROELECTRONICS

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ST95HF

Examples of ST95HF command code to activate NFC Forum and ISO/IEC 15693 tags

********** ST95HF setting to support extended Frame Waiting Time

**********

>>> CR95HFDLL_STCMD, 01 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).

>>> CR95HFDLL_STCMD, 01 09043A005804

<<< 0000

REM,

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

Tag Type 1 (Topaz).

>>> CR95HFDLL_STCMD, 01 0904680101D1

<<< 0000

REM, last Byte x7 or x8 in CR95HFDLL_SENDRECV

command

number of

bit in the 14443 _Type A

frame

>>> CR95HFDLL_ANTICOLSELECT123

------ ISO14443-A STARTING ANTICOLLISION ALGORITHM ------

ISO14443-A REQA

>>> CR95HFDLL_SENDRECV, 26 07

<<<

80 05 0400 280000

ISO14443-A ANTICOL 1

>>> CR95HFDLL_SENDRECV, 9320 08

<<<

80 08 08192D A29E 280000

ISO14443-A SELECT 1

>>> CR95HFDLL_SENDRECV, 937008192DA29E 28

<<<

80 06 20 FC70 080000

--> UID =

192DA29E

TAG selected

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

***

ISO14443A_4 RATS/ATS

(bit rate capability/FDT/CID usage)

>>> CR95HFDLL_SENDRECV, E050 28

<<<

80 0A 057833B003 A0F8 080000

******

ISO14443A_4 PPS

(Protocol parameter data rate)

>>> CR95HFDLL_SENDRECV, D01100 28

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