C8051F064EK Silicon Laboratories Inc, C8051F064EK Datasheet - Page 120
C8051F064EK
Manufacturer Part Number
C8051F064EK
Description
KIT EVAL FOR C8051F064
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F064EK
Contents
Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
Processor To Be Evaluated
C8051F06x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F064
Silicon Family Name
C8051F06x
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F064
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1219
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C8051F060/1/2/3/4/5/6/7
120
Bit7:
Bit6:
Bit5:
Bit4:
Bits3-2:
Bits1-0:
NOTE:
SFR Address: CPT0CN: 0x88; CPT1CN: 0x88; CPT2CN: 0x88
SFR Pages: CPT0CN: page 1; CPT1CN: page 2; CPT2CN: page 3
CPnEN
R/W
Bit7
CPnEN: Comparator Enable Bit. (Please see note below.)
0: Comparator Disabled.
1: Comparator Enabled.
CPnOUT: Comparator Output State Flag.
0: Voltage on CPn+ < CPn-.
1: Voltage on CPn+ > CPn-.
CPnRIF: Comparator Rising-Edge Interrupt Flag.
0: No Comparator Rising Edge Interrupt has occurred since this flag was last cleared.
1: Comparator Rising Edge Interrupt has occurred. Must be cleared by software.
CPnFIF: Comparator Falling-Edge Interrupt Flag.
0: No Comparator Falling-Edge Interrupt has occurred since this flag was last cleared.
1: Comparator Falling-Edge Interrupt has occurred. Must be cleared by software.
CPnHYP1-0: Comparator Positive Hysteresis Control Bits.
00: Positive Hysteresis Disabled.
01: Positive Hysteresis = 5 mV.
10: Positive Hysteresis = 10 mV.
11: Positive Hysteresis = 20 mV.
CPnHYN1-0: Comparator Negative Hysteresis Control Bits.
00: Negative Hysteresis Disabled.
01: Negative Hysteresis = 5 mV.
10: Negative Hysteresis = 10 mV.
11: Negative Hysteresis = 20 mV.
Upon enabling a comparator, the output of the comparator is not immediately valid. Before
using a comparator as an interrupt or reset source, software should wait for a minimum of
the specified “Power-up time” as specified in Table 12.1, “Comparator Electrical Characteris-
tics,” on page 122.
CPnOUT
R/W
Bit6
Figure 12.3. CPTnCN: Comparator 0, 1, and 2 Control Register
CPnRIF
R/W
Bit5
CPnFIF
R/W
Bit4
CPnHYP1 CPnHYP0 CPnHYN1 CPnHYN0
Rev. 1.2
R/W
Bit3
R/W
Bit2
R/W
Bit1
R/W
Bit0
Addressable
Reset Value
00000000
Bit
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