Samsung MAX-440 - Page 15

APDO1
[STAT
TRCNT
Pin No. | Symbol yO Description
51 | C2FL 0 C2 decoder flag (High:When the processing C2 code is impossible
correction stage(RA5)
52 /PBCK 0 Output of VCO/2(Normal speed = 4.3218MHz)
(Double speed = 8.6436MHz)(RA6)
53 DVSS2 Digital Ground2
54 FSDW 0 Unprotected frame Sync(RA7)
55 ULKFS 0 Frame sync protection state(RA8)
56 /JIT 0 Display of either RAM overflow or under flow for +4 frame Jitter
margin(RA9)
57 C4M Only Monitoring signal(Normal Playback:4.2336MHz)(RA10)
58 C16M 16.9344MHz signal output(RA11)
Terminal for test
60 [CS VO Terminal for test
61 SEL1 | Mode Selection Terminal 1(H:33.8688MHz)
(L:16.9344MHz) “I
62 SEL2 l Mode Selection Terminal 2(H:APLL)
(L:DPLL)
63 /SEL3 I Mode Selection Terminal 3(H:CDROM)
(L:CDP)
64 /SEL4 I Mode Selection Terminal 4
65 TEST l Test Terminal(L:Normal operation state)
66 EFMI l EFM Siganl input
[ox te)
Charge Pump output for analog PLL
Tracking counter input signal
output signal of LKFS condition sampled PBFR/16
(If LKFS is “H”, Lock is “H”.
If the LKFS is sampled “:L” at least 8times by PBFR/16, Lock is “L”)
Write frame clock(Lock:7.35KHz)
LPF time constant control of the spindle servo error signal
ON/OFF control signal for spindle servo
SMPD
SMSD
O/}O}/O/O
oe)
Digital Vec2
Spindle Motor drive(Rough control in the CLV-S mode
Phase control in the CLV-P mode)
Spindle Motor drive(Velocity control in the CLV-P mode)
Dspeed
@) Vco output signal (When the state is Lock by means of PBFR it is
8.6435MHz)
VCO input signal
Double speed mode control({H:Normal speed)
(L:Double speed)
APDO2
MAX-440
O Analog PLL charge pump output for Double speed mode
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