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Apollo3 Blue Datasheet

DS-A3-0p9p1 Page 69 of 909 2019 Ambiq Micro, Inc.

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Figure 4. ARM Cortex-M4 Vector Table for Apollo3 Blue MCU

Exception Number IRQ Number Offset

255 239

0x03FC

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0x004C

18 2

0x0048

17 1

0x0044

16 0

0x0040

15 -1

0x003C

14 -2

0x0038

13

12

11 -5

0x002C

10

9

8

7

6 -10

0x0018

5 -11

0x0014

4 -12

0x0010

3 -13

0x000C

2 -14

0x0008

1

0x0004

0x0000

Vector

IRQ239

.

.

.

IRQ2

IRQ1

IRQ0

Systick

PendSV

Reserved

Reserved for Debug

SVCall

Reserved

Usage Fault

Bus Fault

Memory management Fault

Hard fault

NMI

Reset

Initial SP value

IRQ3

IRQ4

IRQ5

IRQ6

IRQ7

IRQ16

IRQ17

IRQ13

IRQ14

Peripheral/Description

0x0050

0x0054

0x0058

0x005C

0x0060

0x0064

0x0068

0x006C

0x0070

Unused

Brownout Detection

Watchdog Timer

RTC

Voltage Comparator

I

2

C/SPI Slave

I

2

C/SPI Slave Register Access

I

2

C/SPI Master 0

I

2

C/SPI Master 1

ADC

GPIO

Counter/Timers

UART0

IRQ8

IRQ9

IRQ10

IRQ11

I

2

C/SPI Master 2

I

2

C/SPI Master 3

I

2

C/SPI Master 4

I

2

C/SPI Master 5

IRQ12

IRQ15

UART1

PDM

IRQ18

Stimer Capture/Overflow

IRQ19

Stimer Compare[0:7]

IRQ20

Clock Control

0x0074

0x0078

0x007C

0x0080

0x0084

0x0088

0x008C

0x00BC

0x00C0

IRQ21 SW INT

MSPI

BLE

SCARD

IRQ22

IRQ23-30

IRQ31

0x0090

0x0094

0x0098

0x009C