Functional description. STMicroelectronics ST25TA02K-D

Functional description ST25TA02K-D

The ST25TA02K-D device is a dynamic NFC/RFID tag that can be accessed from the RF interface. The RF interface is based on the ISO/IEC 14443 Type A standard. The

ST25TA02K-D is compatible with the NFC Forum Type 4 Tag specifications and supports all corresponding commands.

Figure 1 displays the block diagram of the ST25TA02K-D device.

Figure 1. ST25TA02K-D block diagram

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ST25TA02K-D Functional description

Figure 2. Applicative schematic example

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1. Decoupling capacitor

Signal name

Table 1. Signal names

Function

AC0, AC1

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GPO

Antenna coils

Ground

Interrupt output

(1)

1. An external pull-up > 4.7 k Ω is required.

Figure 3. 8-pin package connections

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Figure 4. 5-pin package connections

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