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I/O,

LDD serial interface command enable. The pin is spike-free at

5V-tolerance,

power-on stage.

Slow slew,

2, 4, 6, 8mA

PDR,

75K pull-down (0V)

P3  

FEDMO

Analog Output

Disk motor control output. DAC output.

T1

FEEJECT_

3.3V LVTTL

Eject/stop key input, active low. The pin is spike-free at poweron

I/O,

stage.

5V-tolerance,

Alternate function :

6 mA PDR,

General IO.

75K pull-up (3.3V)

R1

FEFG

3.3V LVTTL

Motor Hall sensor input. The pin is spike-free at power-on

I/O,

stage.

5V-tolerance,

6 mA PDR,

75K pull-up (3.3V)

N1 FEFMO

Analog Output

Feed motor 1 control. DAC output.

N2 FEFMO2

Analog Output

Feed motor 2 control. DAC output.
Feed motor 3 control. DAC output.
Alternative Function : Auxiliary servo input
Feed motor 4 control. DAC output.
Alternative Function : Auxiliary servo input

H4

FOO

Analog Output

Focus servo output. PDM output of focus servo compensator.

A3

FPDOCD 

Analog Input

Laser Power Monitor Input for CD APC / Differential negative input

C4

FPDODVD 

Analog Input

Laser Power Monitor Input for DVD APC / Differential positive input

L2

 FEGAINSW1

Analog Output

Read gain switch. 1

M2

 FEGAINSW2

Analog Output

Read gain switch 2.

L1

FEGAINSW3

Analog Output

Read gain switch 3.

3.3V LVTTL

LDD serial interface data. The pin is spike-free at power-on

I/O,

stage. The pin is not allowed to pull-up in circuit layout.

5V-tolerance,

Alternate function:

2,4,6,8 mA

1. Internal monitored signal output

PDR, 75K pulldown (0V)2. General IO

R3

FEGIO1

3.3V LVTTL

LDD serial interface CLK. The pin is spike-free at power-on

I/O,

stage. The pin is not allowed to pull-up in circuit layout.

5V-tolerance,

Alternate function:

2,4,6,8 mA

1. Internal monitored signal output

PDR,75K pulldown (0V) 2. General IO

T3 

 FEGIO10

3.3V LVTTL

PC RS232 serial receive data. The pin is spike-free at poweron

I/O,

stage

5V-tolerance,

Alternate function:

2,4,6,8 mA

1. High speed serial output port. (CLOCK)

PDR,

2. Internal monitored signal output

75K pull-up (3.3V)

3. LED Control Output. Initial “0” Output
4. General IO.

U1 

FEGIO11

3.3V LVTTL

PC RS232 serial transmit data. The pin is spike-free at poweron

I/O,

stage.

5V-tolerance,

Alternate function:

2,4,6,8 mA

1. High speed serial output port (Data)

PDR,

2. Internal monitored signal output

75K pull-up (3.3V)

3. General IO.

U2 

FEGIO3

3.3V LVTTL

LED Control Output. Initial 0 Output. The pin is spike-free at

I/O,

power-on stage.

5V-tolerance,

Alternate function : .

2,4,6,8 mA

1. Internal monitored signal output

PDR,

2. General IO

75K pull-down (0V)

R6

FEGIO4

Analog Output

Read gain switch 4
Alternate function :
1. LCD serial interface command enable.
2. LCD_DRV: Square wave output for LCD control.
3. Internal monitored signal output
4. General IO.

N5

FEGIO5

Analog Output

Read gain switch 5
Alternate function :
1. SIDM
2. LCD serial interface command enable.
3. Internal monitored signal output
4. General IO.

N7

 FEGIO6

Analog Output

Read/Write gain switch 6. The pin is not allowed to pull-up in
circuit layout.
Alternate function :
1. SIDM
2. LCD serial interface command enable.
3. Internal monitored signal output
4. General IO.

Analog I/O

N3

FEFMO3

M3

FEFMO4 Analog 

I/O

R2

FEGIO0

L3 

FECMOD

3.3V LVTTL

High frequency modulation mode selection signal output, or

N6

FEGIO7

3.3V LVTTL

General IO. The pin is spike-free at power-on stage. The pin is

I/O,

not allowed to pull-up in circuit layout.

5V-tolerance,

2,4,6,8 mA

PDR,

75K pull-down (0V)

R5

FEGIO9

3.3V LVTTL

General IO. The pin is spike-free at power-on stage.

I/O,

Alternate function :

5V-tolerance,

1. Internal monitored signal output

2,4,6,8 mA

2. Spoke input.

PDR,

3. Power on reset input, high active.

75K pull-down (0V)

4. General IO.

E4

 HAVC

Analog Output

Decoupling Pin for Reference Voltage of Main and Sub Beams

C3

 INA 

Analog Input

Input of Main Beam Signal (A)

B1 

 INB

 Analog Input 

Input of Main Beam Signal (B)

C2 INC Analog Input 

Input of Main Beam Signal (C)

C1

IND 

Analog Input 

Input of Main Beam Signal (D)

E2

INE

 Analog Input

Input of Sub-Beam Signal (E)

E1

 INF 

Analog Input

Input of Sub-Beam Signal (F)

D1

ING

 Analog Input

Input of Sub-Beam Signal (G)

D2

INH

 Analog Input

Input of Sub-Beam Signal (H)

Multiplexer Output 1 for Signal Monitoring. The pin is not
allowed to pull-up in circuit layout.
Alternate function: Internal monitored signal output / General
output.
Multiplexer Output 2 for Signal Monitoring. The pin is not
allowed to pull-up in circuit layout.
Alternate function: Internal monitored signal output / General
output.
Multiplexer Output 3 for Signal Monitoring. The pin is not
allowed to pull-up in circuit layout.
Alternate function : Internal monitored signal output / General
output.

3.3V LVTTL

High frequency modulation enable signal output, or LDD serial

I/O,

interface CLK or I2C SCL. The pin is spike-free at power-on

5V-tolerance,

stage

Slow slew,

2, 4, 6, 8mA

PDR,

75K pull-up (3.3V)

G2

 RFIN 

Analog Input 

Differential Input of AC Coupling RF SUM Signal (Negative)

H2

RFIN2 

Analog Input

Differential Input of AC Coupling RF SUM Signal (Negative)

G11

 RFIP 

Analog Input

Differential Input of AC Coupling RF SUM Signal (Positive)

H1

RFIP2

 Analog Input

Differential Input of AC Coupling RF SUM Signal (Positive)

J3

 TLO

Analog Output

Tilt servo output

3.3V LVTTL

Tray_is_in Input, A Logical Low Indicates the Tray is IN. Feedback

I/O,

Flag is from Tray Connector. The pin is spike-free at power-on

5V-tolerance,

stage

Slow slew,

2, 4, 6, 8mA

PDR,

75K pull-up (3.3V)

3.3V LVTTL

Tray_is _out input. A Logical Low Indicates the Tray is OUT.

I/O,

Feedback Flag is from Tray Connector. The pin is spike-free

5V-tolerance,

at power-on stage

Slow slew,

Alrenate function:

2, 4, 6, 8mA

General IO

PDR,

75K pull-up (3.3V)

P2

FETRAYPWM

Analog Output

Tray DAC/PWM contol output. Controlled by up.

A2

TRINA

Analog Input

Input of Tracking Signal (A)

B3

TRINB

Analog Input

Input of Tracking Signal (B)

A1 TRINC

Analog Output

Input of Tracking Signal (C)

B2

TRIND

Analog Output

Input of Tracking Signal (D)

J2

TRO

Analog Output

Tracking servo output. PDM output of tracking servo compensator

H3

V14

Analog Output

Output of Voltage Reference (1.4V)

E5

VDAC0

Analog Output

Output of General DAC

B4

FVREF

Analog Output

Output Voltage Reference

C6

VWDC2O

Analog Output

Output Voltage 2 of Laser Diode Control on APC

A4

VWDC3O

Analog Output

Output Voltage 3 of Laser Diode Control on APC

F4

MPXOUT1

Analog Output

Analog Output

F1

MPXOUT3

Analog Output

U4

FETRAYOUT__

MPXOUT2

F2

K3

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