MN662785TBUC Datasheet, PDF (32/89 Pages) Panasonic Semiconductor – LSI FOR COMPACT DISC/CD ROM PLAYER

MN662785TBUC


(E)-3ɹSET2 settingɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹ
Table 7-1-4 (11)
Data
(D7 to D0)


D1 D0
̭ ̭ ̭ ̭ ɹ̭ ̭ ̌ ̭
̭ ̭ ̭ ̭ ɹ̭ ̭ ̍ ̌
̭ ̭ ̭ ̭ ɹ̭ ̭ ̍ ̍
Address
(HEX)
(A7 to A0)
14
Command (HEX)
(B7 to B0)
F2
Function (ˎ : Setting at reset)


Traverse dead-zone amp
Normal (Type A)
ˎ ʴ side only (Type B)
ʵ side only (Type C)
D2
̭̭̭̭ ̭̭̭̌
̭̭̭̭ ̭̭̭̍
Tracking offset adjustment wait time
None
ˎ 30 ms
D3
̭̭̭̭ ̌ ̭̭̭
̭̭̭̭ ̍ ̭̭̭
Convergence judgement condition for
tracking balance adjustment
ˎ ʶ2 LSBs at TBAL output stage
ʶ1 LSB at TE input stage
D5D4
̭̭̌̌ɹ̭̭̭̭
̭ ̭ ̌ ̍ɹ ̭ ̭ ̭ ̭
̭ ̭ ̍ ̌ɹ ̭ ̭ ̭ ̭
̭̭̍̍ɹ̭̭̭̭
Focus balance adjustment convergence gain
ˎ 1ʗ8ɹɹɹɹ
ɹɹ 1ʗ4
1ʗ32
1ʗ16
D6
̭ ̌ ̭ ̭ ɹ̭ ̭ ̭ ̭
̭ ̍ ̭ ̭ ɹ̭ ̭ ̭ ̭
Disc detection, focus rough gain adjustment
frequency
5.4 Hz
ˎ 2.6 Hz
ɹ
D7
̭̭̭̌ɹ̭̭̭̭
̭̭̭̍ɹ̭̭̭̭
Traverse intermittent drive
ˎ Output enabled
Output disabled
DED0
DED0Ê·2
DED0Ê·2
Figure 1 Traverse dead-zone amp
Type A
Figure 2 Traverse dead-zone amp
Type B
Note) Refer to 7-1 (4) (F)-6 for the DED0 setting.
Figure 3 Traverse dead-zone amp
Type C
SDD00026AEM
32