AD9882ASLASHPCB datasheet(21/40 Pages) AD

21 / 40 page

AD9882A

Rev. 0 | Page 21 of 40

the confidentiality of the HDCP keys as required by the

HDCP v. 1.0 specification. The AD9882A includes hardware

for decrypting the keys in the external EEPROM.

ADI provides a royalty-free license for the proprietary software

needed by customers to encrypt the keys between the AD9882A

and the EEPROM only after customers provide evidence of a

completed HDCP adopter’s license agreement and sign ADI’s

software license agreement. The adopter’s license agreement is

maintained by Digital Content Protection, LLC, and can be

downloaded from www.digital-cp.com. To obtain ADI’s

software license agreement, contact the Display Electronics

Product Line directly by sending an email to

flatpanel_apps@analog.com.

DDC CLOCK

DVI

CONNECTOR

DDC DATA

DVI-VCC

SCL

SDA

EEPROM

3.3V

Ω PULL-UP

RESISTORS

150

Ω SERIES

RESISTOR

10k

Ω

PULL-UP RESISTOR

DDC SCL

DDC SDA

AD9882A

MCL

MDA

3.3V

Ω PULL-UP

RESISTORS

Figure 12. HDCP Implementation Using the AD9882A

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