Philips TDA5051A - Manual (Page 13)

TDA5051A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
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
002aaf046
t d(pu)(TX)
TX_OUT
DATA_IN (1)
V
DD
90 % V DD
CLK_OUT
HIGH
not defined clock stable
002aaf047
t d(pu)(RX)
t d(dem)(h)
RX_IN
DATA_OUT
V DD
90 % V DD
CLK_OUT
HIGH
not defined
not defined
clock stable
002aaf048
t
d(pd)(TX)
normal operation wrong operation
TX_OUT
delayed by PD
TX_OUT
DATA_IN
PD