LG BP440K Manual De Servicio página 89

PIN NO. SYMBOL
R3 FEGIO1
T3 FEGIO10
U1 FEGIO11
U2 FEGIO3
R6 FEGIO4
N5 FEGIO5
N7 FEGIO6
N6 FEGIO7
R5 FEGIO9
E4 HAVC
C3 INA
B1 INB
C2 INC
C1 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, 8mA 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, 8mA 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