AN3955 datasheet(31/68 Pages) STMICROELECTRONICS

31 / 68 page

AN3955

ISO/IEC 14443-3 layers

Doc ID 022017 Rev 1

31/68

The ISO14443A_HLTA function sends an HLTA command to a contactless tag. Table 36

describes the ISO14443A_HLTA function.

Table 36.

ISO14443A_HLTA function description

The ISO14443A_AnticollisionLevel1 function sends an anticollision (level 1)

command to a contactless tag.

Table 37 describes the ISO14443A_AnticollisionLevel1 function.

Table 37.

ISO14443A_AnticollisionLevel1 function description

The ISO14443A_AnticollisionLevel2 function sends an anticollision (level 2)

command to a contactless tag.

Table 38 describes the ISO14443A_AnticollisionLevel2 function.

Table 38.

ISO14443A_AnticollisionLevel2 function description

Prototype

int8_t ISO14443A_HLTA (uint8_t *pResponse);

Input parameter

None

Output parameter

pResponse: Pointer to the CR95HF response

Return parameter

RESULTOK: The HLTA command is successfully emitted to a contactless tag.

CR95HF_ERROR_CODE: Function failed. The CR95HF returns an error

code

Prototype

int8_t ISO14443A_AnticollisionLevel1 (uint8_t

*pResponse);

Input parameter

None

Output parameter

pResponse: Pointer to the CR95HF response

Return parameter

RESULTOK: The anticollision (level 1) command is successfully emitted to a

contactless tag.

CR95HF_ERROR_CODE: Function failed. The CR95HF returns an error

code.

Prototype

int8_t ISO14443A_AnticollisionLevel2 (uint8_t

*pResponse);

Input parameter

None

Output parameter

pResponse: Pointer to the CR95HF response

Return parameter

RESULTOK: The anticollision (level 2) command is successfully emitted to a

contactless tag.

CR95HF_ERROR_CODE: Function failed. The CR95HF returns an error

code.

AN3955 数据表(PDF) 31 Page - STMicroelectronics

AN3955 数据表(HTML) 31 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68

数据表下载

链接网址

AN3955 数据表(PDF) 31 Page - STMicroelectronics

AN3955 数据表(HTML) 31 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68

数据表 下载

链接网址

数据表下载