C8051F800DK Silicon Laboratories Inc, C8051F800DK Datasheet - Page 69
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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12.1. Comparator Multiplexer
C8051F80x-83x devices include an analog input multiplexer to connect Port I/O pins to the comparator
inputs. The Comparator0 inputs are selected in the CPT0MX register (SFR Definition 12.3). The CMX0P3–
CMX0P0 bits select the Comparator0 positive input; the CMX0N3–CMX0N0 bits select the Comparator0
negative input. Important Note About Comparator Inputs: The Port pins selected as comparator inputs
should be configured as analog inputs in their associated Port configuration register, and configured to be
skipped by the Crossbar (for details on Port configuration, see Section “23.6. Special Function Registers
for Accessing and Configuring Port I/O” on page 152).
VREG Output
VREG Output
Figure 12.3. Comparator Input Multiplexer Block Diagram
P1.0
P1.2
P1.4
P1.6
P1.1
P1.3
P1.5
P1.7
P0.0
P0.2
P0.4
P0.6
P0.1
P0.3
P0.5
P0.7
CPT0MX
Rev. 1.0
CP0 +
CP0 -
Note: P1.4-P1.7
are not available
on the 16-pin
packages.
+
-
C8051F80x-83x
VDD
GND
69
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