參數(shù)資料
型號(hào): CXD2598Q
廠商: Sony Corporation
元件分類: 數(shù)字信號(hào)處理
英文描述: CD Digital Signal Processor with Built-in Digital Servo and DAC(數(shù)字式CD信號(hào)處理器(內(nèi)置數(shù)字式伺服系統(tǒng)和D/A轉(zhuǎn)換器))
中文描述: CD數(shù)字信號(hào)處理器,具有內(nèi)置數(shù)字伺服和DAC(數(shù)字式光盤信號(hào)處理器(內(nèi)置數(shù)字式伺服系統(tǒng)和的D / A轉(zhuǎn)換器))
文件頁數(shù): 135/147頁
文件大小: 1113K
代理商: CXD2598Q
– 135 –
CXD2598Q
$3F (preset: $3F 00 00)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
AGG4
XT4D XT2D
0
DRR2 DRR1 DRR0
0
ASFG
FTQ LPAS
0
0
AGHF ASOT
XT4D, XT2D: MCK (digital servo master clock) frequency division setting
This command forcibly sets the frequency division ratio when generating MCK to 1/4, 1/2 or
1/1. See the description of $3E for XT1D.
Also, see "§5-2. Digital Servo Block Master Clock (MCK)".
AGG4:
This varies the amplitude of the internally generated sine wave using the AGGF and AGGT
commands during AGC.
When AGG4 = 0, the default is used. When AGG4 = 1, the setting is as shown in the table
below.
AGG4
0
1
AGGF
0
1
0
0
1
1
AGGT
0
1
0
1
0
1
FE input conversion
1/32
×
V
DD
×
0.4
1/16
×
V
DD
×
0.4
TE input conversion
1/16
×
V
DD
×
0.4
1/8
×
V
DD
×
0.4
DRR2 to DRR0:
Partially clears the Data RAM values (0 write).
The following values are cleared when set to 1 (on) respectively; default = 0
DRR2:M08, M09, M0A
DRR1: M00, M01, M02
DRR0: M00, M01, M02 only when LOCK = low
Note)
Set DRR1 and DRR0 on for 50μs or more.
ASFG:
When vibration detection is performed during anti-shock circuit operation, the FCS servo filter is
forcibly set to gain normal status.
On when set to 1; default = 0
FTQ:
The slope of the output during focus search is a quarter of the conventional output slope. On
when set to 1; default = 0.
LPAS:
Built-in analog buffer low-current consumption mode
This mode reduces the total analog buffer current consumption for the VC, TE, SE and FE input
analog buffers by using a single operational amplifier.
On when set to 1; default = 0
Note)
When using this mode, first check whether each error signal is properly A/D converted
using data readout, etc.
AGHF:
This halves the frequency of the internally generated sine wave during AGC.
ASOT:
The anti-shock signal, which is internally detected, is output from the ATSK pin. Output when
set to 1; default = 0.
Vibration detection when a high signal is output for the anti-shock signal output.
See $37 for AGGF and
AGGT.
The presets are AGG4 = 0,
AGGF = 1 and AGGT = 1.
: preset, —: don't care
: preset, —: don't care
XT1D
0
1
0
0
XT2D
0
1
0
XT4D
0
1
According to XTSL
1/1
1/2
1/4
Frequency division ratio
Sine wave amplitude
1/64
×
V
DD
×
0.4
1/32
×
V
DD
×
0.4
1/16
×
V
DD
×
0.4
1/8
×
V
DD
×
0.4
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