S5L9284 View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

S5L9284

DIGITAL SIGNAL PROCESSOR

Samsung 

DIGITAL SIGNAL PROCESSOR

S5L9284D

TRACKING COUNTER

This block is used to improve track-jump characteristics. The number of tracks, which must be jumped, is input from

micom, and the operating of the count is performed by the TRCNT pulse at the positiveedgeof MLT. If the number

of

tracks is loaded into the register and the CNTL-L is selected, the /COMPLETE signal is output to the /ISTAT

terminal,

and if the CNTL-U is selected, the /COUNT signal is output. The following is the timing chart of the tracking counter

block.

MLT

CNTL-L,U

N Tracking Count Data Loading

TRCNT

/ISTAT

=(/COUNT)

/ISTAT

=(/COMPLETE)

N

N

N

N

N

N

N

Figure 4. Tracking Counter Timing Chart

MDAT

MLT

CNTL State

/ISTAT

CNTL-L

/COMPLETE

CNTL-U

/COUNT

CNTL-C

/(PW > 64)

Other Mode

Hi-Z

Figure 5. /ISTAT Output Signal According to CNTRL Register

13

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