Sharp HT-CN150DVW - Page 78

HT-CN150DVW
78
Name Pin Numbers I/O Definition
Power and Ground 143 G Analog ground for ADC [AVSS_AD].
153 P Analog power supply for data slicer [AVDD3_DS].
157 G Analog ground for data slicer [AVSS_DS].
158 G Analog ground for data PLL [AVSS_PL].
162 P Analog power supply for data PLL [AVDD3_PL].
167 G Analog ground for DAC [AVSS_DA].
170 P Analog power supply for DAC [AVDD3_DA].
Serial Port Interface 203 I C2PO error correction flag from CD [C2PO]; (5V tolerant input).
Servo Data Slicer
Interface
153 I 1Inverting input of data slicer [PIN].
154 I Analog RF signal input after passing through equalizer (minus) [RFIN].
155 I Analog RF signal input after passing through equalizer (plus) [RFIP].
156 O Data Slicer level output [DSSLV].
Servo DAC Interface
166 I/O Auto wide range contro VCO signal from/to AWRC DAC [AWRC].
168 I/O Central level of RERP [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 buff 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 [TEXT].
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 Centrer error input signal [CEI].
145 I Tracking error input signal [TEI].
146 I RF ripple/envelope input signal [RERP].
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 resis-
tor 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].