LG HB954WA Service Manual page 117

PIN NO PIN NAME
31 AVDD12_3
32 AVDD12_4
43 AVDD33_4
116 AVDD12_1
127 AVDD33_1
33 LGO1P
34 LGO1N
35 LGO2P
36 LGO2N
37 LGO3P
38 LGO3N
39 LGO4P
40 LGO4N
41 LGO5P
42 LGO5N
50 FMO3
51 FMO4
52 TLO
53 TRO
54 FOO
55 TRAYPWM
56 FMO
57 FMO2
58 DMO
96 FG
77 SVDD33
78 SPLLVDD12
79 SAGND
80 STXVDD12
81 STXP
82 STXN
83 SAGND
84 SRXN
85 SRXP
86 AVDD12_RX
74 XTAL25MI
75 XTAL25MO
76 SXVDD33
97 SFHOLD#
98 SFCLK
99 SFDO
100 SFCS#
101 SFDI
102 SFWP#
TYPE
Analog Power(1.2V) Power Pin
Analog Power(1.2V) Power Pin
Analog Power(3.3V) Power Pin
Analog Power(1.2V) Power Pin
Analog Power(3.3V) Power Pin
Low-Speed General Output (10)
Analog Output Lowspeed General Output 1P
Analog Output Lowspeed General Output 1N
Analog Output Lowspeed General Output 2P
Analog Output Lowspeed General Output 2N
Analog Output Lowspeed General Output 3P
Analog Output Lowspeed General Output 3N
Analog Output Lowspeed General Output 4P
Analog Output Lowspeed General Output 4N
Lowspeed General Output 5P
Analog Output
Alternative Function : Read gain switch 4
Lowspeed General Output 5N
Analog Output
Alternative Function : Read gain switch 5
MOTOR (10)
Feed motor 3 control. PWM output.
Analog I/O
Alternative Function : Auxiliary servo input
Feed motor 4 control. PWM output.
Analog I/O
Alternative Function : Auxiliary servo input
Analog Output Tilt servo output
Analog Output Tracking servo output. PDM output of tracking servo compensator.
Analog Output Focus servo output. PDM output of focus servo compensator.
Analog Output Tray PWM control output. Controlled by μ P.
Analog Output Feed motor control. PWM output.
Analog Output Feed motor 2 control. PWM output.
Analog Output Disk motor control output. PWM output.
3.3V LVTTL I/O,
5V-tolerance,1
Motor Hall sensor input. The pin is spike-free at power-on stage.
2mA PDR,
75K pull-up.
SATA Interface (10)
Analog Power(3.3V) Power supply for SATA 3.3V circuitry
Analog Power(1.2V) Power supply for SATA circuitry
Analog Ground Ground Pin for SATA circuitry
Analog Power(1.2V) Power supply for SATA transmit circuitry
Analog Output Differential serial output transmit signal of SATA
Analog Output Differential serial output transmit signal of SATA
Analog Ground Ground Pin for SATA circuitry
Analog Input Differential input receive signal of SATA
Analog Input Differential input receive signal of SATA
Analog Power(1.2V) Power supply for SATA circuitry
Crystal Interface (3)
Input X`tal input. The working frequency is 25MHz.
Output X`tal output.
Analog Power(3.3V) Power supply for X`ftal circuitry
Serial Flash (6)
Hold in normal serial flash mode but in quad I/O, as serial data input/data output
serial flashÅfs clock output
3.3V LVTTL I/O,
serial data outputrial
5V-tolerance,
chip select output
4,8,12,16mA PDR,
serial data input
75K pull-up
Write protection in normal serial flash mode but in quad I/O,
as serial data input/data output
DESCRIPTION
4-18