ZUSBOPTSC01ZAC datasheet(219/402 Pages) ZILOG

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PS024604-1005

P R E L I M I N A R Y

Comparator and Op Amp Control Register

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

FIELD

OPEN

Reserved

CPSEL

CMPIRQ

CMPIV

CMPOUT

CMPEN

RESET

000

R/W

ADDR

F90H

Bit

Position

Value

(H)

Description

[7]

OPEN

Operational Amplifier Disable

Operational amplifier is disabled.

Operational amplifier is enabled.

[6:5]

Reserved

Must be 0.

[3]

CPSEL

Comparator Input Select

Comparator input is PA1

Comparator input is PB4

[3]

CMPIRQ

Comparator Interrupt Edge Select

Interrupt Request on Comparator Rising Edge

Interrupt Request on Comparator Falling Edge

[2]

CMPIV

PWM Fault Comparator Polarity

PWM Fault is active when cp+ > cp-

PWM Fault is active when cp- > cp+

[1]

CMPOUT

Comparator Output Value

Comparator output is logical 0.

Comparator output is logical 1.

[0]

CMPEN

Comparator Enable

Comparator is disabled.

Comparator is enabled.

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