D63711 NEC, D63711 Datasheet - Page 44

• Manufacturer Part Number: D63711
• Description: Search -----> UPD63711
• Manufacturer: NEC

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(2) F1H command (CLV servo control)
[Functional description]
D[2:0]:
T:
G:
I:
D:
44
MSB
MSB
Remark The mark * indicates the contents set after a reset.
D
1
Controls the CLV servo.
Selects whether to make the peak hold period of the lead-in servo RFCK/2 or RFCK/4.
Selects whether to make the gain of the lead-in servo 12 dB or 0 dB.
Selects whether to make the bottom hold period of the lead-in servo RFCK/16 or RFCK/32.
Selects whether to make the phase comparison signals of the steady servo RFCK/4 and WFCK/4 or
RFCK/8 and WFCK/8.
1
I
1
0
Command
Parameter
G
1
T
0
Preliminary Product Information S14470EJ1V1PM00
D2
0
D1
0
LSB
LSB
D0
1
D2
G
D
0
0
0
0
1
1
1
1
T
0
1
0
1
0
1
0
1
I
* RFCK/2
* 0 dB
* RFCK/16
* RFCK/4 and WFCK/4
RFCK/4
–12 dB
RFCK/32
RFCK/8 and WFCK/8
D1
0
0
1
1
0
0
1
1
Steady Servo Phase Comparison
D0
0
1
0
1
0
1
0
1
Lead-in Servo Gain
Bottom Hold Period
Peak Hold Period
* Stop
Kick
Brake
Setting prohibited
Lead-in servo
Rough servo
Steady servo
Adaptive servo
Control State
PD63711