C8051F996DK Silicon Laboratories Inc, C8051F996DK Datasheet - Page 100
![KIT DEV FOR C8051F996](/photos/28/41/284142/c8051f996dk_sml.jpg)
C8051F996DK
Manufacturer Part Number
C8051F996DK
Description
KIT DEV FOR C8051F996
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Datasheets
1.C8051F996DK.pdf
(24 pages)
2.C8051F996DK.pdf
(2 pages)
3.C8051F996DK.pdf
(4 pages)
4.C8051F996DK.pdf
(322 pages)
Specifications of C8051F996DK
Contents
Board, Batteries, Cables, CDs, Debug Adapter, Documentation, Power Adapter
Processor To Be Evaluated
C8051F996
Processor Series
C8051F98x
Interface Type
USB
Operating Supply Voltage
3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F996
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1963
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C8051F99x-C8051F98x
8.4.
CS0 has the capability of measuring the total capacitance of multiple channels using a single conversion.
When the multiple channel feature is enabled (CS0MCEN = 1), Channels selected by CS0SCAN0/1 are
internally shorted together and the combined node is selected as the CS0 input. This mode can be used to
detect a capacitance change on multiple channels using a single conversion and is useful for implementing
“wake-on-multiple channels”.
8.5.
The gain of the CS0 circuit can be adjusted in integer increments from 1x to 8x (8x is the default). High
gain gives the best sensitivity and resolution for small capacitors, such as those typically implemented as
touch-sensitive PCB features. To measure larger capacitance values, the gain should be lowered
accordingly. The bits CS0CG[2:0] in register CS0MD set the gain value.
8.6.
CS0 has the capability of waking the device from a low power suspend mode upon detection of a “touch”
using the digital comparator. When the CS0SMEN is set to 1, CS0 may also wake up the device after an
end of scan event when CS0CM[2:0] are set to 101b or after each conversion when CS0CM[2:0] are set to
110b or 111b. If the accumulate feature is enabled, the device wakes up after all samples have been
accumulated. The CS0WOI bit in the CS0MD1 register can be used to configure desire wake from
suspend behavior.
8.7.
To achieve maximum power efficiency, CS0 should be enabled only when taking a conversion and dis-
abled at all other times. CS0 must be disabled by software prior to entering Sleep Mode.
100
CS0 Multiple Channel Enable
CS0 Gain Adjustment
Wake from Suspend
Using CS0 in Applications that Utilize Sleep Mode
Rev. 1.0
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