LG S94T1-S Service Manual page 119

PIN NO. SYMBOL
F13 FEGIO1
E10 FEGIO10
F7 FEGIO11
E8 FEGIO3
D7 FEGIO4
E13 FEGIO5
D9 FEGIO6
C7 FEGIO7
D6 FEGIO9
D19 HAVC
B20 INA
A20 INB
B19 INC
A19 IND
TYPE
LDD serial interface CLK.
3.3V LVTTL I/O, The pin is spike-free at power-on stage.
5V-tolerance, The pin is not allowed to pull-up in circuit layout.
2, 4, 6, 8 mA PDR, Alternate function :
75K pull-down (0 V) 1. Internal monitored signal output
2. General IO
PC RS232 serial receive data.
The pin is spike-free at power-on stage.
3.3V LVTTL I/O,
Alternate function :
5V-tolerance,
1. High speed serial output port. (CLOCK)
2, 4, 6, 8 mA PDR,
2. Internal monitored signal output
75K pull-down (3.3 V)
3. LED Control Output. Initial "0" Output
4. General IO
PC RS232 serial transmit data.
3.3V LVTTL I/O, The pin is spike-free at power-on stage.
5V-tolerance, Alternate function :
2, 4, 6, 8 mA PDR, 1. High speed serial output port. (Data)
75K pull-down (3.3 V) 2. Internal monitored signal output
3. General IO
LED Control Output. Initial 0 Output.
3.3V LVTTL I/O,
The pin is spike-free at power-on stage.
5V-tolerance,
Alternate function :
2, 4, 6, 8 mA PDR,
1. Internal monitored signal output
75K pull-down (0 V)
2. General IO
Read gain switch 4
Alternate function :
1. LCD serial interface command enable.
Analog Output
2. LCD_DRV: Sqare wave output for LCD control.
3. Internal monitored signal output
4. General IO.
Read gain switch 6
Alternate function :
1. SIDM
Analog Output
2. LCD serial interface command enable.
3. Internal monitored signal output
4. General IO.
Read gain switch 6.
The pin is not allowed to pull-up in circuit layout
Alternate function :
Analog Output 1. SIDM
2. LCD serial interface command enable.
3. Internal monitored signal output
4. General IO.
3.3V LVTTL I/O,
General IO.
5V-tolerance,
The pin is spike-free at power-on stage.
2, 4, 6, 8 mA PDR,
The pin is not allowed to pull-up in circuit layout.
75K pull-down (0 V)
General IO.
The pin is spike-free at power-on stage.
3.3V LVTTL I/O,
Alternate function :
5V-tolerance,
1. Internal monitored signal output
2, 4, 6, 8 mA PDR,
2. Spoke input
75K pull-down (0 V)
3. Power on reset input, high active.
4. General IO.
Analog Output Decoupling Pin for Reference Voltage of Main and Sub Beams
Analog Input Input of Main Beam Signal (A)
Analog Input Input of Main Beam Signal (B)
Analog Input Input of Main Beam Signal (C)
Analog Input Input of Main Beam Signal (D)
4-6
DESCRIPTION