sx8675iwltrt Semtech Corporation, sx8675iwltrt Datasheet - Page 42

• Manufacturer Part Number: sx8675iwltrt
• Description: Haptics Enabled Multitouch 4/5-wire Resistive Touchscreen Controller With Proximity Sensing
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
9
The chip has three auxiliary pins which can be used:
Rev 1 – 25
1. By the touchscreen interface when using a 5-wire touchscreen (WIPER=AUX1)
2. By the proximity sensing interface (PROXSENSORCON and PROXSHIELDCON) to use an external
3. By the host (RegAux0-1) to monitor any RegStat and/or RegIrqSrc bits in real time without having to use
A
UXILIARY
sensor and/or shield instead of the touchscreen’s plates
NIRQ or perform I2C polling.
th
July 2011
P
INS
(AUX1/AUX2/AUX3)
Resistive Touchscreen Controller with Proximity Sensing
42
SX8674/SX8675/SX8676
Haptics Enabled Multitouch 4/5-Wire
www.semtech.com