CAP1133 datasheet(59/63 Pages) MICROCHIP

59 / 63 page

 2015 Microchip Technology Inc.

DS00001625B-page 59

CAP1133

Rev. 1.2 (02-10-11)

Section A.8, "Delta from Rev

B (Mask B0) to Rev C (Mask

B1)"

Added.

Table 3-2, "Electrical Specifi-

cations"

PSR improvements made in functional revision B.

Changed PSR spec from ±100 typ and ±200 max

counts / V to ±3 and ±10 counts / V. Conditions

updated.

Section 5.3.2, "Recalibrating

Sensor Inputs"

Added more detail with subheadings for each type of

recalibration.

Section 6.6, "Configuration

Registers"

Added bit 5 BLK_PWR_CTRL to the Configuration 2

The TIMEOUT bit is set to ‘1’ by default for functional

revision B and is set to ‘0’ by default for functional

revision C.

Section 6.42, "Revision Reg-

ister"

Updated revision ID in register FFh from 81h to 82h.

Rev. 1.1 (11-17-10)

Document

Updated for functional revision B. See Section A.7,

"Delta from Rev A (Mask A0) to Rev B (Mask B0)".

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 3-2, "Electrical Specifi-

cations"

Conditions for Power Supply Rejection modified add-

ing the following:

Sampling time = 2.56ms

Averaging = 1

Negative Delta Counts = Disabled

All other parameters default

Section 6.11, "Calibration Acti-

vate Register"

Updated register description to indicate which re-cal-

ibration routine is used.

Section 6.14, "Multiple Touch

Configuration Register"

Updated register description to indicate what will

happen.

Table 6-34, "CSx_BN_TH Bit

Decode"

Table heading changed from “Threshold Divide Set-

ting” to “Percent Threshold Setting”.

Rev. 1.0 (06-14-10)

Initial release

Revision

Section/Figure/Entry

Correction

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