MC33560 데이터 시트보기 (PDF) - ON Semiconductor

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MC33560

Power Management and Interface IC for Smartcard Readers and Couplers

ON Semiconductor 

CRDVCC

CS

RDYMOD (out)

PWRON

IO

CLK

C4. C8

RESET

MC33560

POWERUP

NORMAL OPERATION

VTxH

twon

POWERDOWN

CRDIO

CRDCLK

CRDC4, CRDC8

CRDRST

ttr

SEQ1 to SEQ4

SEQ4 to SEQ1

Figure 26. Card Signal Sequence During VCC Powerup/Down

CRDDET

INT

CS

RDYMOD (out)

tfltin

tfltout

CS to INT

15 mS typ.

INTERRUPT

SERVICING

POLLING

tdrdy

INTERRUPT

SERVICING

Figure 27. Interrupt Servicing and Polling

POLLING

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