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42
178
WFPDSH
Sample pulse control signal for RF write APC.
Default : 8mA
181
RFPDSH
Sample pulse control signal for RF read APC.
Default : 4mA
195
WBLSH
Sample pulse for wobble signal.
Default : 4mA
193
SRVSH
Sample pulse for servo signal (main beam/side beam)
Default : 4mA
176
WBLCLK
Wobble processing clock output for MT1616.
Servo (10)
210
ADCVDD33
Power
Power pin for ADC circuitry.
194
HRFZC(PHTO)
3.3V LVTTinput
1. High frequency RF ripple zero crossing.
SMT
2. receiving photo signal from 1616.
192
LRFZC(BLANK
3.3V LVTTinput,
1. low frequency RF ripple zero crossing.
/DEFECT)
SMT
2. Blank detect for DVD RAM.
3. When DVD receiving defect signal for BCA application.
208
RFLEVEL
Analog input
Sub beam add input of RFRP low pass input.
207
FEI
Analog input
Focus error input.
206
CSO
Analog input
Central servo input.
205
TEI
Analog input
Tracking error input.
204
TEZISLV
Analog input
Tracking error zero crossing low pass input.
202
ADIN
Analog input
General A/D input.
201
VDCVSS
Ground
Ground pin for ADC circuitry.
MOTOR (15)
200
AMON
Analog input Output
Analog monitor negative pin
199
PWM2VREF
Analog input
A reference voltage input for PWM circuitry. A typical value of 2.8v.
198
PWMVREF
Analog input
A reference voltage input for PWM circuitry. A typical value of 1.4v.
209
AMOP
Analog input Output
Analog monitor positive pin
12
FOO
Analog Output
Focus servo output. PDM output of focus servo compensator.
13
TRO
Analog Ouptut
Tracking servo output. PDM output of tracking servo compensator.
18
FMO
Analog Output
Feed motor control. PWM output.
17
DMO
Analog Output
Disk motor control output. PWM output.
14
FMO2
Analog Output
Feed motor 2 control. PWM output.
19
TRAYPWM
Analog Output
Tray PWM control output. Controlled by µP.
20
FG
3.3V LVTTL Input,
Motor Hall sensor input.
SMT, 75K pull-up
3.3V LVTTL output,
Slew rate, 2mA,
4mA, 6mA, 8mA,
10mA, 12mA, 14mA,
16mA PDR
3.3V LVTTL output,
2mA, 4mA, 6mA,
8mA, 10mA, 12mA,
14mA, 16mA PDR
3.3V LVTTL output,
2mA, 4mA, 6mA,
8mA, 10mA, 12mA,
14mA, 16mA PDR
3.3V LVTTL output,
2mA, 4mA, 6mA,
8mA, 10mA, 12mA,
14mA, 16mA PDR
3.3V LVTTL output,
Slew rate, 4mA
driving