Datasheet

8 Channel Capacitive Touch Sensor with 8 LED Drivers

Datasheet

SMSC CAP1188 93 Revision 1.32 (01-05-12)

DATASHEET

Cover Added to General Description: “includes circuitry

and support for enhanced sensor proximity

detection.”

Added the following Features:

Calibrates for Parasitic Capacitance

Analog Filtering for System Noise Sources

Press and Hold feature for Volume-like

Applications

Table 2.2, "Electrical

Specifications"

Conditions for Power Supply Rejection modified

adding the following:

Sampling time = 2.56ms

Averaging = 1

Negative Delta Counts = Disabled

All other parameters default

Section 5.11, "Calibration

Activate Register"

Updated register description to indicate which re-

calibration routine is used.

Section 5.14, "Multiple

Touch Configuration

Updated register description to indicate what will

happen.

Table 5.34, "CSx_BN_TH Bit

Decode"

Table heading changed from “Threshold Divide

Setting” to “Percent Threshold Setting”.

Rev. 1.0 (06-14-10) Initial release

Table 7.1 Customer Revision History (continued)

REVISION LEVEL & DATE SECTION/FIGURE/ENTRY CORRECTION