CRX14 데이터 시트보기 (PDF) - STMicroelectronics

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CRX14

Low Cost ISO14443 type-B Contactless Coupler Chip with Anti-Collision, CRC Management and Anti-Clone Function

STMicroelectronics 

Figure 9. I²C Polling Flowchart using ACK

Radio Frequency

data exchange

in progress

START Condition

DEVICE SELECT

CODE with R/W=1

First byte of instruction

with R/W = 1 already

decoded by the CRX14

ReSTART

NO

ACK

returned

YES

Next

NO

operation is

addressing

the CRX14

YES

Proceed to READ

Operation

STOP

STOP

CRX14

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