STM32L452XX Datasheet, PDF(14/210 Page) STMicroelectronics – Ultra-low-power with FlexPowerControl

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STM32L452XX Datasheet, PDF (14/210 Pages) STMicroelectronics – Ultra-low-power with FlexPowerControl

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Description

STM32L452xx

Table 2. STM32L452xx family device features and peripheral counts

Peripheral

STM32L452Vx

STM32L452Rx

STM32L452Cx

Flash memory

SRAM

Quad SPI

Advanced

control

General

purpose

Timers

Basic

Low -power

SysTick timer

Watchdog

timers

(independent,

window)

SPI

I2C

256KB

512KB

256KB 512KB

160KB

Yes

1 (16-bit)

2 (16-bit)

1 (32-bit)

2 (16-bit)

2 (16-bit)

1

2

3

4

256KB

512KB

USART

3

UART

1

Comm. LPUART

1

interfaces

SAI

1

CAN

1

USB FS

SDMMC

Yes

Yes(1)

No

RTC

Yes

Tamper pins

3

2

2

Random generator

Yes

GPIOs(2)

Wakeup pins

83

52

38

5

4(1)

3

Capacitive sensing

Number of channels

21

12

6

12-bit ADCs

1

1

1

Number of channels

16

16(1)

10

12-bit DAC channels

Internal voltage reference

buffer

Yes

1

No

Analog comparator

Operational amplifiers

Max. CPU frequency

2

1

80 MHz

14/210

DocID029968 Rev 2

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