D63711 NEC, D63711 Datasheet - Page 22

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

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(3) 12H command (Servo control 2)
[Functional description]
TFP:
SCV:
DFCTT:
SDMSK, SDL[1:0]:
BALON:
22
BALON SDMSK SDL1
MSB
MSB
0
0
0
TEC signal (tracking error zero-cross signal) polarity control.
“0”
“1”
Sled servo control by CLV lock.
“0”
“1”
At the time of a sled kick, D/A output is performed regardless of a CLV lock.
Sets the tracking or focus input hold time limit when the absence of an RF signal is detected.
“0”
“1”
Sets the sled kick time after a track jump.
Sets DAC0 to DAC3 pin outputs.
This bit is set to “0” on a reset.
“0”
“1”
SDL0 DFCTT SCV
Command
Parameter
1
Normal output
Inverted output
Sled servo is OFF (D/A output halted) when CLV is unlocked (when FR bit in status signal
is 0)
Sled servo is always ON regardless of CLV lock
Approximately 2.8 ms
Approximately 1.4 ms
Output
Output DC voltage set using CRAM 7FH, 7CH, 7DH, and 7EH from DAC0 to DAC3 pins
respectively
0
1
2 A.V
Preliminary Product Information S14470EJ1V1PM00
DD
0
1
0
LSB
LSB
TFP
0
DFCTT
BALON
SDMSK
SCV
TFP
0
1
0
1
0
1
1
1
1
1
0
0
1
Normal
Inverted
Sled servo OFF when CLV is unlocked
Sled servo always ON
Approximately 2.8 ms
Approximately 1.4 ms
1/2 A.V
DC voltage based on setting
SDL1
0
0
1
1
Sled Servo Control by CLV Lock
DD
SDL0 Sled Kick Time after Track Jump
Output Polarity of TEC Pin
0
1
0
1
Input Hold Time Limit
DAC Pin Output
1.4 ms
2.9 ms
5.8 ms
11.6 ms
0 (none)
(Resolution = 180 s)
PD63711