pca8885 NXP Semiconductors, pca8885 Datasheet - Page 16

• Manufacturer Part Number: pca8885
• Description: Capacitive 8-channel Proximity Switch With Auto-calibration And Very Low Power Consumption
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA8885
Objective data sheet
10.5.1 Channel masking
10.5 Register: MASK
Table 10.
[1]
All bits in this register can be written and read with the write-mask and read-mask
commands.
The channel masking register MASK allows individual sensor channels to be enabled or
disabled for particular applications or certain modes (for example only the on/off sensor
should be active).
When a channel becomes newly enabled, the fast start-up method (see
used to reach the functional state quickly.
Bit
7 to 0
•
•
Default value.
When bit MSKMODE in register CONFIG (see
disabled channels are continuously be sampled, but switching events are not
reflected in register SENS and do not cause an interrupt.
When bit MSKMODE in register CONFIG (see
which are enabled are sampled. Reducing the number of sampled channels also
reduces the power consumption.
Symbol
MSK[7:0]
MASK - channel enable mask register bit description
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 24 November 2011
Capacitive 8-channel proximity switch with auto-calibration
Value
0000 0000 to
1111 1111
0
1
[1]
Description
enable or disable the respective sensor
channels IN0 to IN7
sensor channel is disabled
sensor channel is enabled
Table
Table
6) is set logic 0, then the
6) is set logic 1, only channels
PCA8885
© NXP B.V. 2011. All rights reserved.
Section
12) is
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