C8051F581-IMR Silicon Labs, C8051F581-IMR Datasheet - Page 81

• Manufacturer Part Number: C8051F581-IMR
• Description: 8-bit Microcontrollers - MCU 50MIPS 128kB 8kB SPI
• Manufacturer: Silicon Labs

Specifications of C8051F581-IMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

SFR Definition 9.3. CPT1CN: Comparator1 Control
SFR Address = 0x9D; SFR Page = 0x00
Name
Reset
Bit
3:2 CP1HYP[1:0] Comparator1 Positive Hysteresis Control Bits.
1:0 CP1HYN[1:0] Comparator1 Negative Hysteresis Control Bits.
Type
7
6
5
4
Bit
CP1OUT
CP1RIF
CP1FIF
CP1EN
Name
CP1EN
R/W
7
0
Comparator1 Enable Bit.
0: Comparator1 Disabled.
1: Comparator1 Enabled.
Comparator1 Output State Flag.
0: Voltage on CP1+ < CP1–.
1: Voltage on CP1+ > CP1–.
Comparator1 Rising-Edge Flag. Must be cleared by software.
0: No Comparator1 Rising Edge has occurred since this flag was last cleared.
1: Comparator1 Rising Edge has occurred.
Comparator1 Falling-Edge Flag. Must be cleared by software.
0: No Comparator1 Falling-Edge has occurred since this flag was last cleared.
1: Comparator1 Falling-Edge has occurred.
00: Positive Hysteresis Disabled.
01: Positive Hysteresis = 5 mV.
10: Positive Hysteresis = 10 mV.
11: Positive Hysteresis = 20 mV.
00: Negative Hysteresis Disabled.
01: Negative Hysteresis = 5 mV.
10: Negative Hysteresis = 10 mV.
11: Negative Hysteresis = 20 mV.
CP1OUT
R
6
0
CP1RIF
R/W
5
0
CP1FIF
R/W
Rev. 1.2
4
0
Function
3
CP1HYP[1:0]
0
R/W
C8051F58x/F59x
2
0
1
CP1HYN[1:0]
0
R/W
0
0
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