MN662785TBUC Datasheet, PDF (45/89 Pages) Panasonic Semiconductor – LSI FOR COMPACT DISC/CD ROM PLAYER

MN662785TBUC
(H) Spindle related settings
(H)-1 Setting of spindle forced acceleration/deceleration (ECM) output level
Table 7-1-4 (32)


Data (D7 to D0) ɹ
ɹɹɹɹɹɹɹ ɹ
Address (HEX) Command (HEX) ɹ
(A7 to A0) ɹ (B7 to B0)ɹɹɹɹɹ
Function
Setting
at reset
ɹɹɹɹɹɹɹɹɹɹɹɹɹ
D7 D6 D5 D4 D3 D2 D1 D0
2B
F2
ECM acceleration (ACC) level setting
127
ɹ ɹECM (0 to 127)
* At the time of deceleration (BREAK), 2's complement of the above setting will be output.
* If the ECM value is set to 127, 128 (ALLH or ALLL) will be output.


(H)-2 Setting of spindle shaft loss compensation valueɹɹɹɹɹɹɹɹɹɹɹɹɹ
Table 7-1-4 (33)
Data (D7 to D0)ɹ Address (HEX) Command (HEX) ɹ
ɹɹɹɹɹɹɹ ɹ (A7 to A0) ɹ (B7 to B0)ɹɹɹɹɹ
Function
ɹɹɹɹɹɹɹɹɹɹɹɹɹ
D7 D6 D5 D4 D3 D2 D1 D0
2C


F2
Shaft loss compensation value setting
ɹ ɹSVOFS (-128 to 0)
ɹɹɹɹɹɹɹɹɹ
Setting
at reset
0
* The shaft loss compensation value will be enabled only when the spindle is in free running condition (STOP).
No compensation will be enabled with this value set to 0.
(H)-3 Spindle fine adjustment gain setting (SPG0)
ɹɹɹɹɹɹɹɹɹɹɹ
Table 7-1-4 (34)
Data (D7 to D0) ɹ Address (HEX) Command (HEX) ɹ
ɹɹɹɹɹɹɹ ɹ (A7 to A0) ɹ (B7 to B0)ɹɹɹɹɹ
Function
Setting
at reset
D7 D6 D5 D4 D3 D2 D1 D0
2F
F2
Spindle gainʢ0 to 127ʣ
22
ɹSPG0ʗ16
Set the above value after setting the spindle gain with the 45h command.
SDD00026AEM
45