Philips TDA5051A Manuel d'utilisateur télécharger pdf (Page 13)

Product data sheet Rev. 5 — 13 January 2011 13 of 29

NXP Semiconductors

TDA5051A

Home automation modem

11.2 Timing diagrams

(1) DATA_IN is an edge-sensitive input and must be HIGH before starting a transmission.

Fig 10. Timing diagram during power-up in Transmission mode

Fig 11. Timing diagram during power-up in Reception mode

Fig 12. Power-down sequence in Transmission mode

002aaf04

d(pu)(TX)

TX_OUT

DATA_IN

(1)

90 % V

CLK_OUT

HIGH

not defined clock stable

002aaf04

d(pu)(RX)

d(dem)(h)

RX_IN

DATA_OUT

90 % V

CLK_OUT

HIGH

not defined

clock stable

002aaf04

d(pd)(TX)

normal operation wrong operation

TX_OUT

delayed by PD

TX_OUT

DATA_IN

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 28 29

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Philips TDA5051A Manuel d'utilisateur Page 13