KS9287 View Datasheet(PDF) - Samsung
Part Name
Description
Manufacturer
KS9287 Datasheet PDF : 29 Pages
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DIGITAL SIGNAL PROCESSOR
KS9287
PIN DESCRIPTION (Continued)
No. Pin Name I/O
Description
65
TEST1
I TEST input terminal (GND connection)
66
EFMI
I EFM signal input
67
DSVO
O Digital sum value output
68
/ISTAT
O The internal status output
69
TRCNT
I Tracking counter input signal
70
LOCK
O Output signal of LKFS condition sampled PBFR/16
(if LKFS is "H", LOCK is "H",
if LKFS is sampled "L" at least 8 times by PBFR/16, LOCK is "L")
71
WBCK
O Write frame clock (Lock : 7.35 kHz)
72
SMEF
O LPF time constant control of the spindle servo error signal
73
SMON
O ON/OFF control signal for spindle servo
74
VDD
- Digital VDD
75
SMDP
O Spindle Motor drive
(Rough control in the SPEED mode, Phase control in the PHASE mode)
76
SMDS
O Spindle Motor drive (Velocity control in the PHASE mode)
77
VCOO
O VCO output
78
VCOI
I VCO input (8.6436MHz when locked by WBCK)
79
DSPEED
I Double speed mode select (H: Normal, L: 2 times)
80
APDO
O Analog PLL charge pump output
7
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