
LC74950BG
No.A1647-6/37
Continued from preceding page.
In/output format
Pin No.
Pin symbol
I/O
Format
Connecting
destination
Remarks
D1
VRT1
I
A
Top level reference voltage connection pin for ADC1
D2
CRIN0
I
A
to 1.0Vp-p
Analog
Analog CR or R input (ADC2)
D3
ADC1AVSS33
P
GND
Analog
D4
DVSS
P
GND
Digital
D5
DVSS
P
GND
Digital
D6
DVSS
P
GND
Digital
D7
DVDD15
P
1.5V
Digital
D8
DVDD15
P
1.5V
Digital
D9
CLKOUT2
O
F
3.3V CMOS
Digital
CLKOUT1
×2 output or PLL output
D10
CLKOUT1
O
F
3.3V CMOS
Digital
Datasynchronization clock output
E1
CBIN1
I
A
to 1.0Vp-p
Analog
Analog CB or B input (ADC1)
E2
VRB1
I
A
Bottom level reference voltage connection pin for ADC1
E3
ADC1AVDD33A
P
3.3V
Analog
E4
DVSS
P
GND
Digital
E7
DVDD15
P
1.5V
Digital
E8
I
2CSEL
I
C
3.3V CMOS
I
2C slave addresses L=0×98, H=0×9A
E9
SCL
I
D
Digital
E10
COAST
I
B
3.3V CMOS
Digital
Connected to GND
F1
VRT0
I
A
Analog
Top level reference voltage connection pin for ADC0
F2
CBIN0
I
A
to 1.0Vp-p
Analog
Analog CB or B input (ADC1)
F3
ADC0AVSS33
P
GND
Analog
F4
DVSS
P
GND
Digital
F7
DVDD15
P
1.5V
Digital
F8
TEST
I
H
3.3V CMOS
Digital
Test pin (normally fixed low)
F9
SDA
I/O
G
Digital
F10
CLKIN
I
D
3.3V CMOS
Digital
System clock (Must be connected to GND when not to be
used)
G1
YGIN1
I
A
to 1.0Vp-p
Analog
Analog Y or G input (ADC0)
G2
VRB0
I
A
Analog
Bottom level reference voltage connection pin for ADC0
G3
ADC0AVDD33
P
3.3V
Analog
G4
SCANEN
I
H
3.3V CMOS
Digital
Test pin (normally, Lo)
G5
DVDD33
P
3.3V
Digital
G6
DVDD33
P
3.3V
Digital
G7
DVDD33
P
3.3V
Digital
G8
DVDD33
P
3.3V
Digital
G9
HSOUT
I/O
I
3.3V CMOS
Digital
Horizontal synchronizing signal
G10
VSOUT
I/O
I
3.3V CMOS
Digital
Vertical synchronizing signal
H1
ATB
O
A
Analog output for testing the ADC. It must be held open
when not to be used.
H2
YGIN0
I
A
to 1.0Vp-p
Analog
Analog Y or G input (ADC0)
H3
AVDD15_OSC
P
1.5V
Analog
Power supply for the RC oscillator
H4
SCANMOD
I
H
3.3V CMOS
Digital
Test pin (normally, Lo)
H5
DVDD33
P
3.3V
Digital
H6
DVDD33
P
3.3V
Digital
H7
DVDD33
P
3.3V
Digital
H8
DVDD33
P
3.3V
Digital
H9
CROUT7
I/O
I
3.3V CMOS
Digital
Video signal output Cr or R (MSB)
H10
DEOUT
I/O
I
3.3V CMOS
Digital
Data enable. It must be held open when not to be used.
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