CXD3018Q/R
$DX commands
Data 1
Data 3
D1
D2
Data 2
Command
D0
D3
D2
TB
D1
TP
D0
D3
D2
VP6
D1
D0
D3
Gain
CLVS
0
VP7
VP5
VP4
VP0
VP3
VP2
VP1
CLV CTRL
See the $CX commands.
Command bit
TB = 0
Description
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.
TB = 1
TP = 0
TP = 1
The rotational velocity R of the spindle can be
expressed with the following equation.
Command bit
Description
VP0 to VP7 = F0 (H)
Playback at half (normal) speed
256 – n
:
to
R =
32
Playback at normal (double)
VP0 to VP7 = E0 (H)
:
speed
R: Relative velocity at normal speed = 1
n: VP0 to VP7 setting value
to
Playback at (quadruple) speed
VP0 to VP7 = C0 (H)
Note) • Values in parentheses are for when DSPB is 1.
• Values when crystal is 16.9344MHz and XTSL is low or when crystal is 33.8688MHz and XTSL is high.
• VP0 to VP7 setting values are valid in CAV-W mode.
4
3.5
3
2.5
2
1.5
1
0.5
F0
E0
D0
C0
VP0 to VP7 setting value [HEX]
Fig. 1-1
– 49 –