HT-CN150DVW
69
Name
Pin Numbers
I/O
Definition
MEV
50
I
RFDC bottom envelope. Connected to VPA pin 58 via a capacitor.
VNA
51
G
RF block and serial port ground.
FNN, FNP
52, 53
O
Differential outputs of equalizer/filter.
DIP, DIN
54, 55
I
Differential analog inputs to the RF single-end output buffer and full wave rectifier.
BYP
56
I
AGC amplifier gain bypass. Tied to VPA via a capacitor.
RFAC
57
O
Single-ended RF output.
VPA
58
P
RF block and serial port power supply.
AIP, AIN
59, 60
I
Differential AGC amplifier inputs.
ATON, ATOP
61, 62
O
Differential attenuator outputs.
RFSIN
63
I
Single-ended RF signal attenuator input.
RFDC
64
O
Single-ended RF summing output.
AGC Interface
59,60
I
Differential AGC amplifiers inputs [AIP] AND [AIN].
Automatic Laser
Power Control
(APC) Interface
21
O
APC laser power control for DVD [DVDLD].
22
O
APC laser power control for CD [CDLD].
23
I
APC photo diode in for DVD [DVDPD].
24
I
APC photo diode in for CD [CDPD].
26
I
APC input on/off control [LDON].
CD/DVD Photo
Detector Interface
3:6
I
DVD differential phase detector matrix inputs [A2], [B2], [C2], and [D2].
9:12
I
DVD single-ended phase detector matrix inputs [A], [B], [C], and [D].
13:16
I
CD photo detector interface inputs [CD_A], [CD_B], [CD_C], and[CD_D].
17,18
I
CD side beam photo detector tracking outputs [CD_E] and [CD_F].
Embedded Servo
DSP
Interface
26
I
APC input on/off control [LDON] from embedded servo DSP.
33
O
Linking signal and mirror monitor control I/O [LINK].
34
O
Defect output [DFT] to embedded servo DSP.
38
O
Pull-In signal [P1] to embedded servo DSP.
39
O
Tracking error [TE] to embedded servo DSP.
40
O
Focusing error [FE] to embedded servo DSP.
41
O
Center error [CE] to embedded servo DSP.
46
I
Serial clock [SCLK] from embedded servo DSP.
47
I/O
Serial data I/O [SDATA] for embedded servo DSP.
48
I
Serial data enable [SDEN] from embedded servo DSP.
Filtering and
Reference Voltage
7, 8
I
Differential phase tracking low-pass filters [CP] and [CN].
20
O
DC bias reference voltage [VC].
30
I
Mirror low-pass filter [MLPF].
36
O
Servo block reference voltage [V125].
43, 44
I
Lens shift offset cancellation low-pass filters [LCP] and [LCN].
64
O
Single-ended RF summing output reference [RFDC].
Power and
Ground
19
P
Servo block port power supply [VPB].
25
G
Servo block ground [VNB].
37
P
2.5V reference voltage servo putput power supply [V25].
45
P
3.3V output buffers power supply [V33].
51
G
RF block and serial port ground [VNA].
58
P
RF block and serial port power supply [VPA].
