User Manual

Apollo3 Blue Datasheet

DS-A3-0p9p1 Page 765 of 909 2019 Ambiq Micro, Inc.

This is the detailed description of the Voltage Comparator Register Block. The Voltage Cmparator Register

Block contains the software control for selecting the comparator inputs, powerdown control, observing

comparator output status and enabling interrupts.

19.2.1 Register Memory Map

Table 1128: VCOMP Register Map

Address(s) Register Name Description

0x4000C000 CFG Configuration Register

0x4000C004 STAT Status Register

0x4000C008 PWDKEY

Key Register for Powering Down the Voltage

Comparator

0x4000C200 INTEN Voltage Comparator Interrupt registers: Enable

0x4000C204 INTSTAT Voltage Comparator Interrupt registers: Status

0x4000C208 INTCLR Voltage Comparator Interrupt registers: Clear

0x4000C20C INTSET Voltage Comparator Interrupt registers: Set