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Apollo3 Blue Datasheet

DS-A3-0p9p1 Page 72 of 909 2019 Ambiq Micro, Inc.

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Table 5 shows the address mapping for the peripheral devices of the Base Platform.

Table 5: MCU Peripheral Device Memory Map

Address Device

0x40000000 – 0x400003FF Reset / BoD Control

0x40000400 – 0x40003FFF Reserved

0x40004000 – 0x400041FF Clock Generator

0x40004200 - 0x400043FF RTC

0x40004400 – 0x40007FFF Reserved

0x40008000 – 0x400083FF Timers

0x40008400 – 0x4000BFFF Reserved

0x4000C000 – 0x4000C3FF Voltage Comparator

0x4000C400 – 0x4000FFFF Reserved

0x40010000 – 0x400103FF GPIO Control

0x40010400 – 0x40010FFF Reserved

0x40011000 – 0x400113FF Fast GPIO Control

0x40011400 – 0x40017FFF Reserved

0x40018000 – 0x40018FFF Flash Cache Control

0x40019000 – 0x4001BFFF Reserved

0x4001C000 – 0x4001C3FF UART0

0x4001C400 – 0x4001CFFF Reserved

0x4001D000 – 0x4001D3FF UART1

0x4001D400 – 0x4001FFFF Reserved

0x40020000 – 0x400203FF Miscellaneous Control

0x40020400 – 0x40020FFF Reserved

0x40021000 – 0x400213FF Power Control

0x40021400 – 0x40023FFF Reserved

0x40024000 – 0x400243FF Watchdog Timer

0x40024400 – 0x4007FFFF Reserved

0x40080000 - 0x400803FF Secure Card

0x40080400 - 0x4FFFFFFF Reserved

0x50000000 – 0x500003FF

I

2

C / SPI Slave

0x50000400 – 0x50003FFF Reserved

0x50004000 – 0x50004FFF

I

2

C / SPI Master0

0x50005000 – 0x50005FFF

I

2

C / SPI Master1

0x50006000 – 0x50006FFF

I

2

C / SPI Master2