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Pin
Symbol
R2
FEGIO0
R3
FEGIO1
T3
FEGIO10
U1
FEGIO11
U2
FEGIO3
R6
FEGIO4
N5
FEGIO5
9-22
Type
Description
3.3V LVTTL
LDD serial interface data. The pin is spike-free at power-on
I/O,
stage. The pin is not allowed to pull-up in circuit layout.
5V-tolerance,
Alternate function:
2,4,6,8 mA
1. Internal monitored signal output
PDR,
2. General IO
75K pull-
down (0V)
3.3V LVTTL
LDD serial interface CLK. The pin is spike-free at power-on
I/O,
stage. The pin is not allowed to pull-up in circuit layout.
5V-tolerance,
Alternate function:
2,4,6,8 mA
1. Internal monitored signal output
PDR,
2. General IO
75K pull-
down (0V)
3.3V LVTTL
PC RS232 serial receive data. The pin is spike-free at power-
I/O,
on stage
5V-tolerance,
Alternate function:
2,4,6,8 mA
1. High speed serial output port. (CLOCK)
PDR,
2. Internal monitored signal output
75K pull-up
3. LED Control Output. Initial "0" Output
(3.3V)
4. General IO.
3.3V LVTTL
PC RS232 serial transmit data. The pin is spike-free at power-
I/O,
on stage.
5V-tolerance,
Alternate function:
2,4,6,8 mA
1. High speed serial output port (Data)
PDR,
2. Internal monitored signal output
75K pull-up
3. General IO.
(3.3V)
3.3V LVTTL
LED Control Output. Initial 0 Output. The pin is spike-free at
I/O,
power-on stage.
5V-tolerance,
Alternate function : .
2,4,6,8 mA
1. Internal monitored signal output
PDR,
2. General IO
75K pull-
down (0V)
Read gain switch 4
Alternate function :
Analog
1. LCD serial interface command enable.
Output
2. LCD_DRV: Square wave output for LCD control.
3. Internal monitored signal output
4. General IO.
Read gain switch 5
Alternate function :
1. SIDM
Analog
2. LCD serial interface command enable.
Output
3. Internal monitored signal output
4. General IO.
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