C8051F50x-F51x
SFR Definition 9.3. CPT1CN: Comparator1 Control
Bit
7
6
5
4
3
2
1
0
CP1EN
CP1OUT
CP1RIF
CP1FIF
CP1HYP[1:0]
R/W
CP1HYN[1:0]
R/W
Name
Type
Reset
R/W
0
R
0
R/W
0
R/W
0
0
0
0
0
SFR Address = 0x9D; SFR Page = 0x00
Bit
Name
Function
7
CP1EN
Comparator1 Enable Bit.
0: Comparator1 Disabled.
1: Comparator1 Enabled.
6
5
4
CP1OUT
CP1RIF
CP1FIF
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.
3:2 CP1HYP[1:0] Comparator1 Positive Hysteresis Control Bits.
00: Positive Hysteresis Disabled.
01: Positive Hysteresis = 5 mV.
10: Positive Hysteresis = 10 mV.
11: Positive Hysteresis = 20 mV.
1:0 CP1HYN[1:0] Comparator1 Negative Hysteresis Control Bits.
00: Negative Hysteresis Disabled.
01: Negative Hysteresis = 5 mV.
10: Negative Hysteresis = 10 mV.
11: Negative Hysteresis = 20 mV.
Rev. 1.1
79
SILICON [ SILICON ]
