Fujitsu MB91191 Home Theater Server User Manual


 
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CHAPTER 6 FG Input
6.1 Overview of FG Input
The Frequency Generate (FG) input section comprises of the capstan input, drum input,
and reel input sections. Each input section performs division of the input FG signal,
generation of signals to be input to the FRC capture section and masking of the
predetermined period.
Capstan Input
The capstan input consists of the following 6 items.
Capstan control register
Capstan input control register
Capstan mask timer control register
Multiplying circuit
8 -bit programmable divider
Mask timer
Drum Input
The drum input consists of the following 5 items.
Drum control register
Drum input control register
Drum mask timer control register
4-bit programmable divider
Mask timer
Reel Input
The reel input consists of the following 7 items.
Reel control register
Reel 0 input control register
Reel 0 mask timer control register
Reel 1 input control register
Reel 1 mask timer control register
8-bit programmable divider
Mask timer