DVD - DivX Player - BSA3750
33
Servo DAC Interface
166
I/O
Auto wide range control VCO signal from/to AWRC DAC (AWRC).
168
I/O
Central level of RFRP (RFRPCTR).
169
O
Output voltage level for tray buffer IC (TRAY).
171
O
Output voltage level for spindle buffer IC (SPINDLE).
172
O
Output voltage level for focus buffer IC (FOCUS).
173
O
Output voltage level for Sledge buffer IC (plus) (SLEGP).
174
O
Output voltage level for Sledge buffer IC (minus) (SLEGN).
175
O
Output voltage level for tracking buffer IC (TRACK).
176
O
Test DA output (TESTDA).
Servo Comparator
Interface
139
I
High-speed tracking error input (TEXI).
Servo ADC Interface
140
I
Test AD input (TESTAD).
141
I
Sub-beam addition input signal (SBAD).
142
I
Focus input error signal (FEI).
144
I
Center error input signal (CEI).
145
I
Tracking error input signal (TEI).
146
I
RF ripple/envelope input signal (RFRP).
148
O
2.1V reference voltage (VREF21).
149
O
0.9V reference voltage (VREF09).
150
I
1.5V reference voltage (VREF15).
Servo PLL Interface
151
I
Servo data PLL interface reference current generator. Connect a resistor
between this pin and ground to set reference current (IREF).
159
O
Servo data PLL phase detector filter pin number 1 (PDOFTR1).
160
O
Servo data PLL output node of frequency detector charge pump (FDO).
161
I
Servo data PLL input node of loop filter OP circuit (FTROPI).
163
I
Servo data PLL loop filter pin number 1 (PLLFTR1).
164
I
Servo data PLL loop filter pin number 2 (PLLFTR2).
165
O
Servo data PLL reference voltage output (VREF0).
ES6688A Device Interfaces (Continued)
Name
Pin Numbers
I/O
Definition
