SX8657IWLTRT Semtech, SX8657IWLTRT Datasheet - Page 27

• Manufacturer Part Number: SX8657IWLTRT
• Description: 58T7570
• Manufacturer: Semtech

Specifications of SX8657IWLTRT

• 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
• No. Of Pins: 20
• Resolution (bits): 12bit

SX8657/SX8658
Haptics Enabled 4/5-Wire
Resistive Touchscreen Controller with Proximity Sensing
ADVANCED COMMUNICATIONS & SENSING
Figure 32 – Digital Processing Sequencing
Digital processing block also updates CONVSTAT (set during proximity operations) and PROXCOMPSTAT (set
when compensation is currently pending execution or competition)
5.3.2
PROXRAW Update
PROXRAW update consists mainly in starting the AFE and waiting for the new PROXRAW value to be ready. If
a compensation was pending it is performed first.
th
Rev 1 – 25
July 2011
27
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