Rainbow-electronics MAX14821 Manuale Utente Scaricare il pdf (Pagina 10)

�� Maxim Integrated Products 10

MAX14821

IO-Link Device Transceiver

Figure 5. Wake-Up Detection Timing

Figure 6. SPI Timing Diagram

TXEN

TXC AND TXQ

NOTE: THE MAX14821 RECOGNIZES A WAKE-UP PULSE WHEN C/Q IS SHORTED FROM HIGH-TO-LOW OR FROM LOW-TO-HIGH FOR t

WUMIN

< t

WUMAX

C/Q

WUMIN

< t

WUMAX

WUL

< t

WUMIN

NO WAKE-UP

TXC AND TXQ

TXEN

GND

C/Q

MAX14821

CSH

CSS

CSH

SCLK

SDI

SDO

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 28 29

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Rainbow-electronics MAX14821 Manuale Utente Pagina 10