cxd2548r Sony Electronics, cxd2548r Datasheet - Page 43

• Manufacturer Part Number: cxd2548r
• Description: Cd Digital Signal Processor With Built-in Digital Servo And Dac
• Manufacturer: Sony Electronics

$EX commands
EPWM SPDC
1
2
CLV mode
Command
CM3
See Timing Charts 1-6 to 1-12.
Figs. 3-1 and 3-2 show the control flow with the microcomputer software in CLV-W mode.
0
0
0
1
0
1
1
1
1
0
CM2
0
0
1
0
Command bit
0
0
0
1
1
1
CM3
D23
ICAP
0
0
1
1
CM1
0
0
1
1
1
1
CM2
D22
SFSL
Command bit
Data 1
0
0
0
0
CM0
CM1
D21
0
0
0
0
1
0
VC2C
0
1
0
0
BRAKE
CM0
D20
STOP
Mode
CLVS
CLVP
CLVA
KICK
HIFC
0
1
1
1
EPWM SPDC ICAP
D19
Spindle stop mode.
Spindle forward rotation mode.
Spindle reverse rotation mode. Valid only when LPWR = 0
in any modes.
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.
PLL servo mode.
Automatic CLVS/CLVP switching mode.
Used for normal playback.
LPWR
– 43 –
0
0
0
0
D18
Data 2
VPON
0
0
1
1
D17
1
CAV-W
CAV-W
CLV-W
CLV-N
Mode
1
SFSL
D16
Description
Crystal reference CLV servo.
Used for playback in CLV-W
mode.
Spindle control with VP0 to 7.
Spindle control with the external
PWM.
VC2C
D15
1
2
HIFC LPWR VPON
Description
D14
Data 3
D13
CXD2548R
D12