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5150 register addresses are consecutive

Other Parts Discussed in Thread: TVP5150, TVP5150A, TVP5150AM1

Hello All,

 

I have a question on the arrangement of register address in TVP5150, in document SLES043A.

 

I have found that the addresses of registers are not consecutive:

 

Register

1: 00h

2: 01h

3: 02h

16: 0Fh

17: 11h    Where is 10h here?

18: 12h

22: 16h

23: 18h    Where is 17h?

29: 1Eh

30: 28h    Where are 1Fh to 27h?

 

This, after all, perhaps is a trivial question if the fact is that these addresses are just reserved. I am just curious on this, and I have checked the lengths of all the register contents and they all appear to be 8 bit, so none of them occupies more than one byte. Are these intermediate “missing” addresses reserved? If not, why the arrangement is not consecutive?

 

Sincerely,

Jim