Sfr Definition 14.3. Cpt1Cn: Comparator1 Control - Silicon Laboratories C8051T620 Manual

C8051T620/1/6/7 & C8051T320/1/2/3

SFR Definition 14.3. CPT1CN: Comparator1 Control

Bit 7
CP1EN CP1OUT
Name
R/W
Type
0
Reset
SFR Address = 0x9A
Bit Name
7 CP1EN
Comparator1 Enable Bit.
0: Comparator1 Disabled.
1: Comparator1 Enabled.
6 CP1OUT
Comparator1 Output State Flag.
0: Voltage on CP1+ < CP0–.
1: Voltage on CP1+ > CP0–.
5 CP1RIF
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.
4 CP1FIF
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.
82
6 5 4
CP1RIF CP1FIF
R R/W R/W
0 0 0
Rev. 1.2
3 2
CP1HYP[1:0]
R/W
0 0
Function
1 0
CP1HYN[1:0]
R/W
0 0