AN3375 datasheet(44/73 Pages) STMICROELECTRONICS

tên linh kiện	AN3375

Giải thích chi tiết về linh kiện	CR95HF library for ISO15693 and Dual Interface EEPROM products

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ISO15693 library (intermediate layer)

AN3375

44/73

Doc ID 018637 Rev 1

3.8

Get flag from information flag byte functions

3.8.1

ISO15693_GetDSFIDFlag function

This function returns the DSFID flag extracted from the information flags.

3.8.2

ISO15693_GetAFIFlag function

This function returns AFI flag extracted from the information flags.

Table 66.

Description of information flag byte

Bit nb

Flag name

Description

1DSFID

0: DSFID field is not present

1: DSFID field is present

2AFI

0: AFI field is not present

1: AFI field is present

memory size

0: memory size field is not present

1: memory size field is present

IC reference

0: IC reference field is not present

1: IC reference field is present

5 to 8

RFU

Table 67.

ISO15693_GetDSFIDFlag function description

Function description

Prototype

result = int8_t ISO15693_GetDSFIDFlag

(uc8 FlagsByte);

Input parameter

FlagsByte: information flags

Output parameter

none

Return parameter

DSFID flag

Table 68.

ISO15693_GetAFIFlag function description

Function description

Prototype

result = int8_t ISO15693_GetAFIFlag

(uc8 FlagsByte);

Input parameter

FlagsByte: information flags

Output parameter

none

Return parameter

AFI flag

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