cxd2548r Sony Electronics, cxd2548r Datasheet - Page 42

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

Notes)
1) Values in parentheses are for when DSPB is 1.
2) Values when the crystal is 16.9344MHz and XTSL is low or when the crystal is 33.8688MHz and XTSL is
3) The VP0 to 7 setting values are valid in CAV-W mode.
$DX commands
DCLV PWM MD = 1
DCLV PWM MD = 0
CLV CTRL
Command
VP0 to 7 = F0 (H)
VP0 to 7 = E0 (H)
high.
Command bit
Command bit
Command bit
TB = 0
TB = 1
TP = 0
TP = 1
:
PWM MD
DCLV
D23
1.5
0.5
2
1
Digital CLV PWM mode specified. Both MDS and MDP are used.
CLV-W and CAV-W modes can not be used.
Digital CLV PWM mode specified. Ternary MDP values are output.
CLV-W and CAV-W modes can be used.
Bottom hold at a cycle of RFCK/32 in CLVS mode.
Bottom hold at a cycle of RFCK/16 in CLVS mode.
Peak hold at a cycle of RFCK/4 in CLVS mode.
Peak hold at a cycle of RFCK/2 in CLVS mode.
Playback at half (normal) speed
Playback at normal (double) speed
D22
TB
Data 1
D21
TP
Description
CLVS
to
Gain
D20
VP0 to 7 setting value [HEX]
D19
VP7
See "$CX Commands".
Fig. 2-1.
– 42 –
F0
D18
VP6
Data 2
The rotational velocity R of the spindle can be
expressed with the following equation.
Description
Description
R: Relative velocity at normal speed = 1
n: VP0 to 7 setting value
D17
VP5
R =
D16
VP4
256 – n
32
VP3
D15
E0
D14
VP2
Data 3
VP1
D13
CXD2548R
D12
VP0