Z8FMC16100 Series Flash MCU
Product Specification
197
Comparator and Op Amp Control Register
The Comparator and Op Amp Control (CMPOPC) Register, shown in Table 103, enables
the comparator and operational amplifier and provides access to the comparator output.
Table 103. Comparator and Op Amp Control Register (CMPOPC)
BITS
7
6
5
4
3
2
1
0
OPEN
Reserved
00
CPSEL
CMPIRQ
CMPIV
CMPOUT CMPEN
FIELD
RESET
R/W
0
0
0
0
X
R
0
R/W
R/W
R/W
R/W
R/W
R/W
F90H
ADDR
Bit
Value
(H)
Description
Operational Amplifier Disable
Position
[7]
OPEN
0
1
Operational amplifier is disabled.
Operational amplifier is enabled.
Must be 0.
[6:5]
Reserved
[3]
Comparator Input Select
Comparator input is PA1
CPSEL
0
1
Comparator input is PB4
[3]
Comparator Interrupt Edge Select
CMPIRQ
0
1
Interrupt Request on Comparator Rising Edge
Interrupt Request on Comparator Falling Edge
[2]
PWM Fault Comparator Polarity
CMPIV
0
1
PWM Fault is active when cp+ > cp-
PWM Fault is active when cp- > cp+
[1]
Comparator Output Value
CMPOUT
0
1
Comparator output is logical 0.
Comparator output is logical 1.
[0]
Comparator Enable
CMPEN
0
1
Comparator is disabled.
Comparator is enabled.
PS024604-1005
P R E L I M I N A R Y
Comparator and Op Amp Control Register
ZILOG [ ZILOG, INC. ]
