AMS TCS3400 EVM Panduan Pengguna - Halaman 10
Jelajahi secara online atau unduh pdf Panduan Pengguna untuk Aksesori AMS TCS3400 EVM. AMS TCS3400 EVM 13 halaman. Light-to-digital sensor evaluation kit
Halaman Cetak
"ALS" Sub Tab
The ALS tab shows the registers associated with ambient light sensing control. Register values in
hex are shown on the left, preselected values are available in list boxes in the middle, and actual
values are shown on the right.
•
ATIME Register (0x81) controls the ALS integration time. The actual time is:
(256-ATIME) * 2.7 mS
Note: The column on the right is the computed value for ATIME and is always correct.
Sometimes the value shown in the list box will be one of the preselected values but it has
not been selected. If this happens the number will not be the same as the computed
number for ATIME on the Control Sub-Tab. The computed value is the one that is correct.
This can be fixed by selecting a preselected value from the list box or by cycling the register
value UP/DOWN or DOWN/UP. This will set the list box value or clear the value from the list
box so the screen is correct.
•
Control Register (0x8F) – Controls the ALS gain settings.
1.
AGAIN – Adjusts the ALS input gain. Valid values are 1x, 4x, 16x, and 64x.
page 10/13