Design notes
3
Design notes
3.1
Pin assignment
Figure 3. VT5366 pin assignment
VT5366
NC
VLEVEL
TEST_OUT
32 31 30 29 28 27 26 25
1
24
2
23
3
22
MOTION
POWERDOWN
SCL
NC
4
XO
5
NC
6
VT5366
21
SDA
20
DGND2
19
DVDD2
XI
DVDD1
7
18
8
9
10 11 12
13 14 15
17
16
TRK_LED
NC
3.2
Optical centre
The optical centre of the VT5366 is NOT in the centre of the package, it is offset by -
0.243mm in the X-axis and 0.215mm in the Y axis with respect to the centre of the package
as shown in Figure 4. The PCB designer must take this into account when laying out the
PCB.
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