RX95HF datasheet(26/44 Pages) STMICROELECTRONICS

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Commands

RX95HF

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DocID023884 Rev 3

Table 25. AC filter command description (Command <Len> = 0x00)

Direction

Data

Comments

Example

Host to

RX95HF

Command code

If <Len> = 0x00, AC filter is deactivated

and response will return Tag Emulation

state.

>>>0x0D00

Deactivate AC Filter

<Len>

Length of data (0x00)

RX95HF to

Host

Result code

AC filter is deactivated and response will

return Tag Emulation state.

<<<0x0001yy

where yy is the Tag Emulation state

(Table 28).

Length of data

Tag Emulator state

RX95HF to

Host

Error code

<<<0x8200

Invalid command length

Length of data

Table 26. AC filter command description (Command <Len> = 0x01)

Direction

Data

Comments

Example

Host to

RX95HF

Command code

If <Len> = 0x01, AC Filter state will be

forced to yy state (Table 28).

>>>0x0D01yy

Force new Tag

Emulation state (yy).

<Len>

Length of data (0x01)

Tag Emulator state

RX95HF to

Host

Result code

If <Len> = 0x01, Tag Emulation state is

successfully set.

<<<0x0000

Length of data

RX95HF to

Host

Error code

<<<0x8200

Invalid command length

Length of data

Table 27. AC filter command description (Command <Len> = 0x02)

Direction

Data

Comments

Example

Host to

RX95HF

Command code

If <Len> = 0x02, response will return

Tag Emulation state without de-

activating the AC filter.

>>>0x0D020000

<Len>

Length of data (0x02)

0000

ST Reserved

RX95HF to

Host

Result code

If <Len> = 0x02, returns Tag Emulation

state (Table 28) without de-activating

the AC filter.

<<<0x0001yy

Length of data

Tag Emulator state

RX95HF to

Host

Error code

<<<0x8200

Invalid command length

Length of data

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