STRFNFCA datasheet(24/74 Pages) STMICROELECTRONICS

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Commands

STRFNFCA

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Doc ID 023077 Rev 10

Table 14 gives examples of communication between the STRFNFCA and a contactless tag.

The STRFNFCA receives a SendRecv command (>>> 0x04...) from the host and returns its

response to the host (<<< 0x80...). Table 14 provides more details on the STRFNFCA

response format.

STRFNFCA

to Host

0x8E

Error code

<<<0x8E00

Reception lost without EOF

received

0x00

Length of data

ACK/NAK value will be correctly reported in next STRFNFCA revision.

Table 14.

List of <Data> Send values for the SENDRECV command for different

protocols

Protocol

Explanation

Command example

Comments

ISO/IEC

15693

Send example

022000

Example of an Inventory command

using different protocol configuration:

Uplink: 100% ASK, 1/4 coding

Downlink: High data rate, Single sub-

carrier

>>> 0x0403260100 (Inventory - 1 slot)

<<< 0x800D0000CDE0406CD62902

E0057900

If length of data is ‘0’, only the EOF will

be sent. This can be used for an anti-

collision procedure.

Command code

Length of entire data field

Data

Table 13.

SENDRECV

command description (continued)

Direction

Data

Comments

Example

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