ST25TA02K-D datasheet(18/64 Pages) STMICROELECTRONICS

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ST25TA02K-D 데이터시트(PDF) 18 Page - STMicroelectronics

부품명	ST25TA02K-D

상세설명	NFC Forum Type 4 Tag IC with 2-Kbit EEPROM and general purpose digital output

PDF	64 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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18 / 64 page

Signal descriptions

ST25TA02K-D

18/64

DocID027817 Rev 1

2.3.6

RF busy configuration (GPO field = 0x60 or 0xE0)

When the GPO is configured as RF busy, the GPO goes to the low state, both when the

ST25TA02K-D is processing an RF command or when an RF session is ongoing (see

Figure 10).

When an RF field is present, GPO is driven high after a delay (1.) when ST25TA02K-D

detects the first command. If the RF session is ongoing and ST25TA02K-D receives a not-

supported command, GPO remains high. It will be released only at the end of the RF

session, after (2.).

Figure 10. GPO configured as RF busy (GPO field = 0x60 or 0xE0)

1. CmdSOFtoGPlow (RF command Start of frame to GPO low)

2. CmdEOFtoGPhigh (RF command End of frame to GPO high)

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