20
2. Copy Protection and Regional Code Management Block
Block Diagram
Brief Process
1. Regional Code for DVD Disc
– DVD-ROM drive transfers the regional code of the control data to host by the command of host, the DVD
player of host reads the regional code, and plays title in the case of allowed regional code only.
2. Management of DVD Disc for the scrambled of data
(1) DVD-ROM and DVD player of host generate the “KEY 1” respectively, transfer to opposite part, the
“KEY 2” is received, recognizes the data transfer or not with this value, and generates the bus key
encoded the data.
(2) Encoded “Disc Key” and “Title Key” host is transfer with the bus Key.
(3) DVD player of host reads the key value, and uses the value to restore the scrambled data.
* Refer to the next page for the details.
MT1959H
HOST DVD
PLAYER
(EMPEG2 B/D)
Change the “KEY”
Scrambled MPEG data
KEY Management Control
Summary of Contents for BP50NB40
Page 17: ...17 A B C 1 2 3 4 5 A00 A01 002 003 461 005 001 463 006 462 004 PBM01 B B EXPLODED VIEW ...
Page 23: ...23 2 CONNECTOR 66 PIN ASSIGNMENT ...
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Page 29: ...29 3 1 2 Block Diagram Seek IC101 MT1959H ...
Page 34: ...1 2 Pin Layout RF Part 34 ...
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Page 37: ...37 ENDEC Part ...
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Page 45: ...45 IC601 TPIC2016G SPINDLE MOTOR AND 10CH ACTUATOR DRIVER Terminal Assignments ...