SX8655IWLTRT Semtech, SX8655IWLTRT Datasheet - Page 29
SX8655IWLTRT
Manufacturer Part Number
SX8655IWLTRT
Description
58T7566
Manufacturer
Semtech
Datasheet
1.SX8654IWLTRT.pdf
(62 pages)
Specifications of SX8655IWLTRT
Controller Type
Resistive Touch Screen
Ic Interface Type
I2C, Serial
Supply Voltage Range
2.3V To 3.6V
Operating Temperature Range
-40°C To +85°C
Resolution (bits)
12bit
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SX8655IWLTRT
Manufacturer:
AUDIOCODE
Quantity:
101
SX8654/SX8655/SX8656
Haptics Enabled 4/5-Wire
Resistive Touchscreen Controller with Proximity Sensing
ADVANCED COMMUNICATIONS & SENSING
Figure 35 – ProxRaw Update
5.3.3
PROXUSEFUL Update
PROXUSEFUL update consists in filtering PROXRAW upfront to remove its potential high frequencies
components(system noise, interferer, etc) and extract only user activity (few Hz max) and slow environment
changes.
Figure 36 – PROXUSEFUL Update
F(PROXRAW ; PROXUSEFUL[n-1] ; PROXRAWFILT) = (1 - PROXRAWFILT).PROXRAW + PROXRAWFILT.PROXUSEFUL[n-1]
th
Rev 1 – 25
July 2011
29
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