C8051F800DK Silicon Laboratories Inc, C8051F800DK Datasheet - Page 71
![KIT DEV C8051F800](/photos/28/94/289400/mcudevkit_sml.jpg)
C8051F800DK
Manufacturer Part Number
C8051F800DK
Description
KIT DEV C8051F800
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F800DK
Contents
Board, Cables, CD, Debugger, Power Supply
Processor To Be Evaluated
C8051F800
Data Bus Width
16 bit
Interface Type
USB
Operating Supply Voltage
7 V to 15 V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F8xx
Lead Free Status / Rohs Status
Supplier Unconfirmed
Other names
336-1797
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13. Capacitive Sense (CS0)
The Capacitive Sense subsystem included on the C8051F800/1/3/4/6/7/9, C8051F810/2/3/5/6/8/9,
C8051F821/2/4/5/7/8, C8051F830/1/3/4 uses a capacitance-to-digital circuit to determine the capacitance
on a port pin. The module can take measurements from different port pins using the module’s analog mul-
tiplexer. The multiplexer supports up to 16 channels. See SFR Definition 13.9. “CS0MX: Capacitive Sense
Mux Channel Select” on page 81 for channel availability for specific part numbers. The module is enabled
only when the CS0EN bit (CS0CN) is set to 1. Otherwise the module is in a low-power shutdown state. The
module can be configured to take measurements on one port pin or a group of port pins, using auto-scan.
An accumulator can be configured to accumulate multiple conversions on an input channel. Interrupts can
be generated when CS0 completes a conversion or when the measured value crosses a threshold defined
in CS0THH:L.
. . .
CS0SS
Auto-Scan
CS0MX
Digital Converter
Logic
Capacitance to
Figure 13.1. CS0 Block Diagram
CS0SE
16-Bit
Rev. 1.0
CS0CN
Conversion
Start
22-Bit Accumulator
Compare Logic
Greater Than
CS0THH:L
CS0DH:L
000
001
010
011
100
101
110
111
C8051F80x-83x
CS0BUSY (W)
Timer 0 Overflow
Timer 2 Overflow
Timer 1 Overflow
Reserved
Reserved
Initiated continuously
Initiated continuously
when auto-scan
enabled
CS0CF
CS0CMPF
71
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