5-1
DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
SECTION 5
IC PIN FUNCTION DESCRIPTION
Pin No.
Pin name
Type
Function
1
DSN
Analog Output
RF Offset cancellation capacitor connecting
2
RFGC
Analog Output
RF AGC loop capacitor connecting for DVD-ROM
3
IREF
Analog Input
Current reference input
4
AVDD3
Power
3.3V power pin for analog circuitry
5
AGND
Ground
Ground pin for analog circuitry
6
DVDDA
Analog Input
AC coupled input path A
7
DVDDB
Analog Input
AC coupled input path B
8
DVDDC
Analog Input
AC coupled input path C
9
DVDDD
Analog Input
AC coupled input path D
1 0
DVDRFIP
Analog Input
AC coupled DVD RF signal input RFIP
1 1
MA
Analog Input
DC coupled main-beam RF signal input A
1 2
MB
Analog Input
DC coupled main-beam RF signal input B
1 3
MC
Analog Input
DC coupled main-beam RF signal input C
1 4
MD
Analog Input
DC coupled main-beam RF signal input D
1 5
SA
Analog Input
DC coupled sub-beam RF signal input A
1 6
SB
Analog Input
DC coupled sub-beam RF signal input B
1 7
TNI
Analog Input
3 beam satellite PD negative input
1 8
TPI
Analog Input
3 beam satellite PD positive input
1 9
MDI
Analog Input
Laser power monitor input
2 0
MD2
Analog Input
Laser power monitor input
2 1
LDO2
Analog Output
Laser driver output
2 2
LDO1
Analog Output
Laser driver output
2 3
SVDD3
Power
Analog 3.3V power
2 4
CSO
Analog Output
Central servo
2 5
RFLVL
Analog Output
RFRP low pass output
2 6
SGND
Ground
Ground pin for analog circuitry
2 7
V2REF0
Analog Output
Reference voltage 2.8V
2 8
V20
Analog Output
Reference voltage 2.0V
2 9
VREF0
Analog Output
Reference voltage 1.4V
3 0
FEO
Analog Output
Focus error monitor output
3 1
TEO
Analog Output
Tracking error monitor output
3 2
TEZISLV
Analog Output
TE Slicing Level
3 3
OP_OUT
Analog Output
Op amp output
3 4
OP_INN
Analog Input
Op amp negative input
3 5
SPFG
Analog Input
Brake for Tray open / close
3 6
DMO
Analog Output
Disc motor control output. PWM output
3 7
FMO
Analog Output
Feed motor control. PWM output
3 8
TROPENPWM
Analog Output
Tray PWM output/Tray open output
3 9
IOPMON
Analog Input
General A/D input -> Iop Monitor
4 0
TRO
Analog Output
PDM output of tracking servo compensator
4 1
FDO
Analog Output
PDM output of focus servo compensator
4 2
AGND18_DMPLL
Ground
Analog Ground for DMPLL
4 3
AVDD18_DMPLL
Power
Analog power pin 1.8V for DMPLL
4 4
NC
Not used
4 5
NC
Not used
4 6
VDD33_USB
Power
USB Power pin 3.3V
4 7
VSS33_USB
Ground
USB ground pin
4 8
NC
Not used
5-1. SYSTEM CONTROL PIN FUNCTION
(MV-55/56 BOARDS IC101)