8 Channel Capacitive Touch Sensor with 2 LED Drivers
Datasheet
Chapter 7 Datasheet Revision History
Table 7.1 Customer Revision History
SECTION/FIGURE/ENTRY
REVISION LEVEL & DATE
CORRECTION
Rev. 1.32 (01-05-12)
Table 2.2, "Electrical
Specifications"
Added conditions for t
.
HD:DAT
Section 3.2.7, "SMBus and
I2C Compatibility"
Renamed from “SMBus and I2C Compliance.”
First paragraph, added last sentence: “For
2
information on using the CAP1128 in an I C
system, refer to SMSC AN 14.0 SMSC Dedicated
2
Slave Devices in I C Systems.”
2
Added: CAP1128 supports I C fast mode at
400kHz. This covers the SMBus max time of
100kHz.
Section 5.4, "Sensor Input
Delta Count Registers"
Changed negative value cap from FFh to 80h.
Rev. 1.31 (08-18-11)
Section 3.3.3, "SMBus Send
Byte"
Added an application note: The Send Byte protocol
is not functional in Deep Sleep (i.e., DSLEEP bit is
set).
Section 3.3.4, "SMBus
Receive Byte"
Added an application note: The Receive Byte
protocol is not functional in Deep Sleep (i.e.,
DSLEEP bit is set).
Rev. 1.3 (05-18-11)
Rev. 1.2 (02-10-11)
Section 5.42, "Revision
Register"
Updated revision ID from 82h to 83h.
Section A.8, "Delta from Rev
B (Mask B0) to Rev C (Mask
B1)"
Added.
Table 1.1, "Pin Description
for CAP1128"
Changed value in “Unused Connection” column for
the ADDR_COMM pin from “Connect to Ground” to
“n/a“.
Table 2.2, "Electrical
Specifications"
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 4.5.2, "Recalibrating
Sensor Inputs"
Added more detail with subheadings for each type
of recalibration.
Section 5.6, "Configuration
Registers"
Added bit 5 BLK_PWR_CTRL to the Configuration
2 Register 44h.
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 5.42, "Revision
Register"
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)".
SMSC CAP1128
Revision 1.32 (01-05-12)
DATA8S7HEET
SMSC [ SMSC CORPORATION ]
