Pin
No.
Symbol I/O Description
Default Remarks
21
FSMoNiT
O
3AI/F
Focus Error signal / Sub beam add signal
output pin(monitor pin/GND)
O
22
RFZi
I
3AI/F
RF ripple zero-cross signal Input pin I
23
RFRP
O
3AI/F
RF ripple signal output pin. O
24
TEi
O
3AI/F
Tracking error signal output pin. O
Bulit-in serises R=500Ω.
Connect to VRo by
capacitor.
25
AVDD3 -
Power supply pin for 3.3 V CD analog circuits.
-
26
FOo
O
3AI/F
Focus servo equalizer output pin. O
Bulit-in serises R=3.3 kΩ
27
TRo
O
3AI/F
Tracking servo equalizer output pin. O
Bulit-in output R=3.3 kΩ
28
VSS-3 -
Grounding pin for 1.5V Decoder-DSP
CD circuit
-
29
FMo
O
3AI/F
Feed servo equalizer output pin. O
Bulit-in output R=3.3 kΩ
30
FMoS
O
3AI/F
Feed servo equalizer output pin.
（Stepper motor application）
O
Bulit-in output R=3.3 kΩ
31
DMo
O
3AI/F
Disc servo equalizer output pin O
Bulit-in output R=3.3 kΩ
32
VDD1-3
I/O
3I/F
Power supply pin for 1.5V Decoder-DSP
/CD circuit
-
33
Pio8
I/O
3I/F
Port 8（General Input/Output Port ） I
CMOS Port
Schmitt input
Refer to [1.2 Pin Assinment Table]
34
Pio9
I/O
3I/F
Port 9（General Input/Output Port ） I
CMOS Port
Schmitt input
Refer to [1.2 Pin Assinment Table]
35
Pio10
I/O
3I/F
Port 10（General Input/Output Port ） I
CMOS Port
Schmitt input
Refer to [1.2 Pin Assinment Table]
36
Pio11
I/O
3I/F
Port 11（General Input/Output Port ） I
CMOS Port
Schmitt input
Refer to [1.2 Pin Assinment Table]
37
Pio12/
CDMoN0/
FGiN
I/O
3I/F
Port 12（General Input/Output Port ）
/ CD Monitor 0 / FG signal input
I
CMOS Port
Schmitt input
Refer to [1.2 Pin Assinment Table]
38
Pio13/
CDMoN1
I/O
3I/F
Port 13（General Input/Output Port ）
/ CD Monitor1
I
CMOS Port
Schmitt input
Refer to [1.2 Pin Assinment Table]
39
Pio14/
CDMoN2
I/O
3I/F
Port 14（General Input/Output Port ）
/ CD Monitor 2
I
CMOS Port
Schmitt input
Refer to [1.2 Pin Assinment Table]
40
CDMoN3
O
3I/F
CD Monitor3 (Default output : SBSY) O
CMOS Port
Refer to [1.2 Pin Assinment Table]
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