C8051F320-TB Silicon Laboratories Inc, C8051F320-TB Datasheet - Page 25
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C8051F320-TB
Manufacturer Part Number
C8051F320-TB
Description
BOARD PROTOTYPING W/C8051F320
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F320-TB
Contents
Board
Processor To Be Evaluated
C8051F320/F321
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F320
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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1.10. Comparators
C8051F320/1 devices include two on-chip voltage comparators that are enabled/disabled and configured
via user software. Port I/O pins may be configured as comparator inputs via a selection mux. Two compar-
ator outputs may be routed to a Port pin if desired: a latched output and/or an unlatched (asynchronous)
output. Comparator response time is programmable, allowing the user to select between high-speed and
low-power modes. Positive and negative hysteresis are also configurable.
Comparator interrupts may be generated on rising, falling, or both edges. When in IDLE mode, these inter-
rupts may be used as a “wake-up” source. Comparator0 may also be configured as a reset source.
Figure 1.11 shows the Comparator0 block diagram.
available on
available on
C8051F320
C8051F320
P2.4-2.7
P2.4-2.7
Sensor
Temp
Analog Multiplexer
VREF
GND
P1.0
P1.7
P2.0
P2.7
P3.0
VDD
P1.0
P1.7
P2.0
P2.7
P3.0
Figure 1.10. 10-Bit ADC Block Diagram
19-to-1
19-to-1
AMUX
AMUX
Rev. 1.4
Configuration, Control, and Data Registers
(+)
(-)
ADC
10-Bit
SAR
End of
Conversion
Interrupt
Conversion
C8051F320/1
Start
Window Compare
16
Logic
000
001
010
011
100
101
ADC Data
AD0BUSY (W)
Timer 0 Overflow
Timer 2 Overflow
Timer 1 Overflow
CNVSTR Input
Timer 3 Overflow
Registers
Window
Compare
Interrupt
25
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