ip4778cz38/v NXP Semiconductors, ip4778cz38/v Datasheet - Page 15

• Manufacturer Part Number: ip4778cz38/v
• Description: Hdmi Esd Protection, Ddc Buffering And Hot Plug Control
• Manufacturer: NXP Semiconductors

NXP Semiconductors
IP4778CZ38_1
Objective data sheet
Fig 11. CEC output waveform
(1) Dotted line indicates effect without slew rate limiter.
10.5 Multiplexing
Up to 4 HDMI interface ports can exist on an HDMI receiver. The DDC and hot plug
signals are both needed to support various HDMI connectors, multiplexing and switching
of the TMDS lines. The CEC bus has to remain functional in order to detect activity such
as a brake in support.
Fig 10. CEC module
0.8 V
(1)
Rev. 01 — 10 April 2008
CEC_OUT
HDMI ESD protection, DDC buffering and hot plug control
TMDS_BIAS
LIMITER
SLEW
RATE
V
CC(3V3)
(1)
001aag044
CEC_IN
IP4778CZ38
© NXP B.V. 2008. All rights reserved.
001aag045
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