CXD3018Q/R
$EX commands
Data 1
D2 D1
Data 2
D2 D1
Data 3
D2 D1
Command
D3
D0
D3
D0
D3
D0
CLV mode
CM3 CM2 CM1 CM0 EPWM SPDC ICAP SFSL VC2C HIFC LPWR VPON
Command bit
Mode
Description
CM3
CM2
CM1
CM0
1
0
1
0
0
0
0
0
0
STOP
KICK
Spindle stop mode.
1
Spindle forward rotation mode.
Spindle reverse rotation mode. Valid only when LPWR = 0
in any mode.
1
1
0
1
1
1
0
0
BRAKE
CLVS
1
Rough servo mode. When the RF-PLL circuit isn't locked,
this mode is used to pull the disc rotations within the RF-
PLL capture range.
1
0
1
1
1
1
1
0
CLVP
CLVA
PLL servo mode.
Automatic CLVS/CLVP switching mode.
Used for normal playback.
1
See Timing Charts 1-2 to 1-6.
Command bit
EPWM SPDC ICAP SFSL VC2C HIFC LPWR VPON
Mode
Description
INV
VPCO
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
CLV-N Crystal reference CLV servo.
CLV-N VCO2 reference CLV servo.
Used for playback in CLV-W
0
0
0
1
0
1
0
0
1
0
1
1
0
0
0
1
0
0
CLV-W
2
mode.
CAV-W Spindle control with VP0 to VP7.
Spindle control with the external
1
0
0
0
1
0
0
0
0
0
1
1
0
0
1
1
0
1
CAV-W
PWM.
3
VCO-C VCO control
2
3
Figs. 3-1 and 3-2 show the control flow with the microcomputer software in CLV-W mode.
Fig. 3-3 shows the control flow with the microcomputer software in VCO-C mode.
– 50 –
ETC [ ETC ]
