AN3375 datasheet(16/73 Pages) STMICROELECTRONICS

tên linh kiện	AN3375

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

PDF	73 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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CR95HF low level layer

AN3375

16/73

Doc ID 018637 Rev 1

2.3.6

RdReg function

This function sends a RdReg command to the CR95HF to read the CR95HF internal

2.3.7

BaudRate function

This function sends a BaudRate command to the CR95HF. It allows to configure the UART

baudrate.

For more details on this command, please refer to CR95HF datasheet.

Table 12.

CR95HF_RdReg

function description

Function description

Prototype

result = int8_t CR95HF_RdReg(uc8

Length,uc8 Address,uc8 RegCount,uc8

Flags,uint8_t *pResponse);

Input parameter

Length : Number of bytes (Address+RegCount+Flags)

Address: register address

RegCount: nb of byte to read

Flags: ST reserved (must be 0x00)

Output parameter

pResponse : pointer to CR95HF response

Return parameter

CR95HF_ERRORCODE_PARAMETER: function failed

CR95HF_SUCCESS_CODE: function successful

CR95HF_ERRORCODE_PARAMETERLENGTH:

parameter length is erroneous

Table 13.

CR95HF_BaudRate

function description

Function description

Prototype

result = int8_t CR95HF_BaudRate (uc8

BaudRate,uint8_t *pResponse);

Input parameter

BaudRate: new baud rate = 13.56/(2*BaudRate+2) Mbps

Output parameter

pResponse : pointer to the CR95HF response

Return parameter

CR95HF_SUCCESS_CODE

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