lm9627 National Semiconductor Corporation, lm9627 Datasheet - Page 5

• Manufacturer Part Number: lm9627
• Description: Color Cmos Image Sensor Vga 30 Fps
• Manufacturer: National Semiconductor Corporation

Pin Descriptions
Legend: (I=Input), (O=Output), (IO=Bi-directional), (P=Power), (D=Digital), (A=Analog).
Confidential
Pin
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
adc_vref
Name
d7
d8
d9
d10
d11
vdd_od2
vss_od2
vdd_ana2
vss_ana2
vref_adc
vss_ana1
vdd_ana1
offset
fine_ctrl
gnd
fine_i
NC
NC
vdd_od3
vss_od3
vss_od1
vdd_od1
extsync
I/O
O
O
O
O
O
I
I
I
I
I
I
I
I
O
I
I
I
I
I
O
(Continued)
Typ
D
D
D
D
D
P
P
P
P
A
P
P
A
A
A
P
P
P
P
D
Figure 4. Equivalent Circuits For adc_ref and offset pins
800
Description
Digital output. Bit 7 of the digital video output bus. This output can be put into tri-state
mode.
Digital output. Bit 8 of the digital video output bus. This output can be put into tri-state
mode.
Digital output. Bit 9 of the digital video output bus. This output can be put into tri-state
mode.
Digital output. Bit 10 of the digital video output bus. This output can be put into tri-state
mode.
Digital output. Bit 11 of the digital video output bus. This output can be put into tri-state
mode.
3.3 volt supply for the digital IO buffers.
0 volt supply for the digital IO buffers
3.3 volt supply for analog circuits.
0 volt supply for analog circuits.
A/D reference resistor ladder voltage. See figure 4 for equivalent circuit.
0 volt supply for analog circuits.
3.3 volt supply for analog circuits.
Analog input used to adjust the offset of the sensor. See figure 4 for equivalent circuit.
Analog output used to drive the offset pin.
This pin must be tied to ground.
Bias current for the fine offset adjust.
Pin not used, do not connect.
Pin not used, do not connect.
3.3 volt supply for the sensor.
0 volt supply for the sensor.
0 volt supply for the digital IO buffers
3.3 volt supply for the digital IO buffers.
Digital output. The external event synchronization signal is used to synchronize external
events in snapshot mode.
5
offset
1K
200
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