Chapter 46 Alarm Comparator; Overview; Block Diagram - Fujitsu MB91460 SERIES FR60 User Manual

Chapter 46 Alarm Comparator

1. Overview

This chapter provides an overview of the Alarm Comparator (also called Under/Overvoltage De-
tection), describes the register structure and functions, and describes the operation of the Alarm
Comparator.

2. Block Diagram

Alarm comparator - analog part
AVDD
0.8 AVDD
ALARM
0.4 AVDD
OUT1
PD
OUT2
Figure 2-1 Alarmcomparator (simplified circuit)
Alarm comparator - digital part
D Q
CK
D Q
CK
CLKP
Interrupt logic
Chapter 46 Alarm Comparator
1.Overview
RST
CLKP
STOP
IRQ_AC
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