– 115 –
CXD3068Q
The rotational velocity R of the spindle can be expressed with the following equation.
R: Relative velocity at normal speed = 1
R =
×
l
n: VP0 to 7 setting value
l: Multiple set by VPCTL0, 1
256 – n
32
∗
The above setting should be 0, 0 except for the CAV-W operating mode.
The settings are as follows in CAV-W mode.
Command bit
VPCTL1
VPCTL0
Processing
The setting of VP0 to 7 is multiplied by 1.
The setting of VP0 to 7 is multiplied by 2.
The setting of VP0 to 7 is multiplied by 3.
The setting of VP0 to 7 is multiplied by 4.
0
0
1
1
0
1
0
1
Command
Data 2
CLV CTRL
VP7
VP6
VP5
VP4
D3
D2
D1
D0
Data 3
VP3
VP2
VP1
VP0
D3
D2
D1
D0
Data 4
VP
CTL1
VP
CTL0
0
0
D3
D2
D1
D0
Command bit
Processing
VP0 to 7
The spindle rotational velocity is set.
Command bit
VP0 to 7 = F0 (H)
VP0 to 7 = E0 (H)
VP0 to 7 = C0 (H)
Playback at 1/2 (1)
×
speed
Playback at 1 (2)
×
speed
Playback at (4)
×
speed
Description
Notes)
1. Values when crystal is 16.9344MHz and XTSL is low or when crystal is 33.8688MHz and XTSL is high.
2. The values in parentheses are for when DSPB is 1.
……
……
Summary of Contents for PV420S
Page 1: ...SERVICE MANUAL PV420S WWW BBK RU ...
Page 72: ... 69 CXD3068Q Block Diagram ...
Page 73: ... 70 CXD3068Q Pin Configuration ...
Page 122: ... 119 CXD3068Q Timing Chart 1 3 ...
Page 123: ... 120 CXD3068Q Timing Chart 1 4 ...
Page 124: ... 121 CXD3068Q Timing Chart 1 5 ...
Page 129: ... 126 CXD3068Q Timing Chart 2 1 ...
Page 130: ... 127 CXD3068Q Block Diagram 2 2 ...
Page 131: ... 128 CXD3068Q Timing Chart 2 3 ...
Page 134: ... 131 CXD3068Q Timing Chart 2 6 ...
Page 138: ... 135 CXD3068Q VCO C Mode Fig 3 3 Access Flow Chart Using VCO Control ...
Page 140: ... 137 CXD3068Q Block Diagram 4 1 ...
Page 143: ... 140 CXD3068Q Timing Chart 4 4 ...
Page 147: ... 144 CXD3068Q Fig 4 6 a Auto Focus Flow Chart Fig 4 6 b Auto Focus Timing Chart ...
Page 148: ... 145 CXD3068Q Fig 4 7 a 1 Track Jump Flow Chart Fig 4 7 b 1 Track Jump Timing Chart ...
Page 149: ... 146 CXD3068Q Fig 4 8 a 10 Track Jump Flow Chart Fig 4 8 b 10 Track Jump Timing Chart ...
Page 150: ... 147 CXD3068Q Fig 4 9 a 2N Track Jump Flow Chart Fig 4 9 b 2N Track Jump Timing Chart ...
Page 151: ... 148 CXD3068Q Fig 4 10 a Fine Search Flow Chart Fig 4 10 b Fine Search Timing Chart ...
Page 152: ... 149 CXD3068Q Fig 4 11 a M Track Move Flow Chart Fig 4 11 b M Track Move Timing Chart ...
Page 157: ... 154 CXD3068Q Fig 4 15 CD TEXT Data Timing Chart ...
Page 162: ... 159 CXD3068Q Fig 5 3a Fig 5 3b ...
Page 196: ... 193 CXD3068Q Description of Data Readout ...
Page 200: ... 197 CXD3068Q ...
Page 201: ... 198 CXD3068Q ...
Page 202: ... 199 CXD3068Q ...
Page 207: ... 204 CXD3068Q Package Outline Unit mm ...
Page 208: ...This data sheet has been made from recycled paper to help protect the environment 205 ...