STM32L476G-DISCO datasheet(26/37 Pages) STMICROELECTRONICS

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Demonstration firmware settings

UM1919

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DocID028080 Rev 1

5.2

Peripherals

The following peripherals are used in the demonstration firmware:

5.3

Interrupts / wakeup pins

The following interrupts are used in the demonstration firmware:

Table 7. Used peripherals

Used peripherals

Application/module

ADC

VDD application

CRC

Audio applications

DFSDM

Audio record applications

DMA

Audio player and record applications

EXTI

Menu navigation + joystick + low-power mode + audio applications

FLASH

Storage in Audio player application

System settings

Low-power mode application

GPIO

All applications

I2C

Low-power mode application

IWDG

Internal Watchdog (FW reset in case of error)

LCD

LCD glass display

PWR

Low-power mode application

RCC

All applications

QSPI

Audio player and record applications

SAI

Audio applications

SPI

Compass application

Table 8. Demonstration firmware interrupts

Interrupts

Application/module

Priority, SubPriority

(highest=0, 0)

DMA1 Channel1

Audio applications (SAI1)

5, 0

DMA1 Channel4

Audio applications (DFSDM0)

6, 0

EXTI Line 0

Joystick SEL key

15, 0

EXTI Line 1

Joystick LEFT key

15, 0

EXTI Line 2

Joystick RIGHT key

15, 0

EXTI Line 3

Joystick UP key

15, 0

EXTI Line 5

Joystick DOWN key

15, 0

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