sx8654 Semtech Corporation, sx8654 Datasheet - Page 31

• Manufacturer Part Number: sx8654
• Description: Haptics Enabled 4/5-wire Resistive Touchscreen Controller With Proximity Sensing
• Manufacturer: Semtech Corporation

SX8654/SX8655/SX8656
Haptics Enabled 4/5-Wire
Resistive Touchscreen Controller with Proximity Sensing
ADVANCED COMMUNICATIONS & SENSING
Figure 38 – ProxAvg Update
F(PROXUSEFUL ; PROXAVG[n-1] ; PROXAVGxxxFILT) = (1 - PROXAVGxxxFILT).PROXUSEFUL + PROXAVGxxxFILT.PROXAVG[n-1]
xxx = POS or NEG
th
Rev 1 – 25
July 2011
31
www.semtech.com