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IC201 (TA1254F)
Pin Description
I/O
Description
Remark
-
GND
I
TE + Input (CD)
I
TE - Input (CD)
O
Drive Output
I
Motor Input
O
Analog V
REF
About 2.0V
O
Digital V
REF
1/2 of Vdd
-
Power Voltage
About 4.2V (3.3V)
-
DPD AC Capacity 1
-
DPD AC Capacity 2
-
DPD Integral Capacity 1
-
DPD Integral Capacity 2
I
Control Line (Bit Clock)
I
Control Line (Latch Signal)
I
Control Line (Serial Data)
I
Basic Clock Input
If the frequency is up, the filter shifts to high
frequency except for Servo LPF.
-
Time constant adjustment
-
Power Supply
O
Servo Add Output
O
TE Output
O
FE Output
I
Defect Input
Low DPD Output : Mute
-
Power Supply (Servo)
O
RF Ripple Voltage
O
RF Ripple Output
-
RF Ripple Bottom
-
RF Ripple Peak
O
EQ RF Output
-
NC
Connect to GND
-
NC
Connect to GND
-
Power Supply (RF)
I
Pit Height adjustmant
DPDB is up, A and B delay volume is up.
I
TE Balance
TEB is up, TP gain is up.
A+C delay volume is up.
I
FE Balance
FEB is up, A+C (FP) Gain is up.
I
VRCK divides the frequency to ON/OFF
VRCK is high, frequency divides to off.
-
Power supply
-
NC
Open
I
Group Delay Compensation
EQD is up, Group delay is to right.
-
GND
24
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
Pin Name
GND
P2TP
P2TN
LDO2
MDI2
VrA
VrD
Vdd
DPAC
DPBD
DPD1
DPD2
SCB
SCL
SCD
VRCK
VCKF
VccP
LVL
TEO
FEO
DFTN
VccS
RPZ
RPO
RPB
RPP
RFO
NC
NC
VccR
DPDB
TEB
FEB
PSC
Vcc2
NC
EQD
GND2