D63711 NEC, D63711 Datasheet - Page 21

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

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[Functional description]
TAB:
JSK:
DFCT:
FST:
MON:
SON:
TON:
FON:
Controls close of track jump sequencer operation.
“1”
An operation using the TAB bit is a one-shot operation that operates only on the instant this is set to “1”.
Controls sled kick when track jumping.
“1”
Controls error hold output on defect detection.
“0”
“1”
Focus search control.
“1”
Controls whether spindle servo output (D/A output) is ON or OFF.
“0”
“1”
Controls whether sled servo output (D/A output) is ON or OFF.
“0”
“1”
Controls whether tracking servo output (D/A output) is ON or OFF.
“0”
“1”
Controls whether focus servo output (D/A output) is ON or OFF.
“0”
“1”
Halt track jump sequencer operation
Perform sled kick in the track jump period using the level set in CRAM 79H
No hold output
All switches controlled by a DEFECT signal in the focus filter and tracking filter are fixed in the up
position (normal position).
Hold output
Switch the above switches according to the DEFECT signal state.
Start focus search
FON must be “1” at this time.
D/A output is OFF, output 1 2 A.V
D/A output is ON
D/A output is OFF, output 1 2 A.V
D/A output is ON
D/A output is OFF, output 1 2 A.V
D/A output is ON
D/A output is OFF, output 1 2 A.V
D/A output is ON
Preliminary Product Information S14470EJ1V1PM00
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PD63711
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