STM32L082KB datasheet(30/132 Pages) STMICROELECTRONICS

部件名	STM32L082KB

功能描述	Ultra-low-power 32-bit MCU Arm®-based Cortex®-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, DACs, AES

PDF	132 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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30 / 132 page

Functional overview

STM32L082xx

30/132

DS10688 Rev 7

3.16

AES

The AES Hardware Accelerator can be used to encrypt and decrypt data using the AES

algorithm (compatible with FIPS PUB 197, 2001 Nov 26).

•

Key scheduler

•

Key derivation for decryption

•

128-bit data block processed

•

128-bit key length

•

213 clock cycles to encrypt/decrypt one 128-bit block

•

Electronic codebook (ECB), cypher block chaining (CBC), and counter mode (CTR)

supported by hardware.

The AES can be served by the DMA controller.

Table 8. Capacitive sensing GPIOs available on STM32L082xx devices

Group

Capacitive sensing

signal name

name

Group

Capacitive sensing

signal name

name

TSC_G1_IO1

PA0

TSC_G5_IO1

TSC_G1_IO2

PA1

TSC_G5_IO2

PB4

TSC_G1_IO3

PA2

TSC_G5_IO3

PB6

TSC_G1_IO4

PA3

TSC_G5_IO4

PB7

TSC_G2_IO1

PA4(1)

1. PA4 and PA5 offer a reduced touch sensing sensitivity. It is thus recommended to use them as sampling

capacitor I/Os.

TSC_G6_IO1

PB11

TSC_G2_IO2

PA5(1)

TSC_G6_IO2

PB12

TSC_G2_IO3

PA6

TSC_G6_IO3

PB13

TSC_G2_IO4

PA7

TSC_G6_IO4

PB7

TSC_G7_IO1

PC0

TSC_G3_IO2

PB0

TSC_G7_IO2

PC1

TSC_G3_IO3

PB1

TSC_G7_IO3

PC2

TSC_G3_IO4

PB2

TSC_G4_IO1

PA9

TSC_G4_IO2

PA10

TSC_G4_IO3

PA11

TSC_G4_IO4

PA12

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