STM32L4A6VGY6PTR datasheet, PDF

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STM32L4A6VGY6PTR: DescriptionSTM32 32-BIT ARM CORTEX MCUS; Categorysemiconductor The embedded processor and controller; File Size3MB，282 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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STM32L4A6VGY6PTR Overview

STM32 32-BIT ARM CORTEX MCUS

STM32L4A6VGY6PTR Parametric

Parameter Name	Attribute value
core processor	ARM® Cortex®-M4
core size	32-bit
speed	80MHz
Connectivity	CANbus，EBI/EMI，I²C，IrDA，LINbus，MMC/SD，QSPI，SAI，SPI，SWPMI，UART/USART，USB OTG
Peripheral	Undervoltage detection/reset, DMA, LCD, PWM, WDT
Number of I/Os	83
Program storage capacity	1MB（1M x 8）
Program memory type	flash memory
EEPROM capacity	-
RAM capacity	320K x 8
Voltage - Power Supply (Vcc/Vdd)	1.71 V ~ 3.6 V
data converter	A/D 16x12b，D/A 2x12b
Oscillator type	internal
Operating temperature	-40°C ~ 85°C（TA）
Package/casing	100-UFBGA，WLCSP
Supplier device packaging	100-WLCSP（4.62x4.14）

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STM32L4A6xG

Ultra-low-power Arm

Cortex

-M4 32-bit MCU+FPU, 100DMIPS, 1MB

Flash, 320KB SRAM, USB OTG FS, audio, AES+HASH, ext. SMPS

Datasheet

production data

Features

•

Ultra-low-power with FlexPowerControl

– 1.71 V to 3.6 V power supply

– -40 °C to 85/125 °C temperature range

– 320 nA in V

BAT

mode: supply for RTC and

32x32-bit backup registers

– 25 nA Shutdown mode (5 wakeup pins)

– 108 nA Standby mode (5 wakeup pins)

– 426 nA Standby mode with RTC

– 2.57 µA Stop 2 mode, 2.86 µA Stop 2 with

RTC

– 91 µA/MHz run mode (LDO Mode)

– 37

μA/MHz

run mode (@3.3 V SMPS

Mode)

– Batch acquisition mode (BAM)

– 5 µs wakeup from Stop mode

– Brown out reset (BOR) in all modes except

shutdown

– Interconnect matrix

•

Core: Arm

32-bit Cortex

-M4 CPU with FPU,

Adaptive real-time accelerator (ART

Accelerator™) allowing 0-wait-state execution

from Flash memory, frequency up to 80 MHz,

MPU, 100 DMIPS and DSP instructions

•

Performance benchmark

– 1.25 DMIPS/MHz (Drystone 2.1)

– 273.55 Coremark

(3.42 Coremark/MHz @

80 MHz)

•

Energy benchmark

– 279 ULPMark™ CP score

– 80.2 ULPMark™ PP score

•

16 x timers: 2 x 16-bit advanced motor-control,

2 x 32-bit and 5 x 16-bit general purpose,

2 x 16-bit basic, 2 x low-power 16-bit timers

(available in Stop mode), 2 x watchdogs,

SysTick timer

•

RTC with HW calendar, alarms and calibration

LQFP144 (20 × 20)

LQFP100 (14 x 14)

LQFP64 (10 x 10)

UFBGA169 (7 x 7)

UFBGA132 (7 × 7)

WLCSP100

•

Up to 136 fast I/Os, most 5 V-tolerant, up to 14

I/Os with independent supply down to 1.08 V

•

Dedicated Chrom-ART Accelerator™ for

enhanced graphic content creation (DMA2D)

•

8- to 14-bit camera interface up to 32 MHz

(black&white) or 10 MHz (color)

•

Encryption hardware accelerator: AES

(128/256-bit key), HASH (SHA-256)

•

Memories

– 1 MB Flash, 2 banks read-while-write,

proprietary code readout protection

– 320 KB of SRAM including 64 KB with

hardware parity check

– External memory interface for static

memories supporting SRAM, PSRAM,

NOR and NAND memories

– Dual-flash Quad SPI memory interface

•

Clock Sources

– 4 to 48 MHz crystal oscillator

– 32 kHz crystal oscillator for RTC (LSE)

– Internal 16 MHz factory-trimmed RC (±1%)

– Internal low-power 32 kHz RC (±5%)

– Internal multispeed 100 kHz to 48 MHz

oscillator, auto-trimmed by LSE (better than

±0.25% accuracy)

– Internal 48 MHz with clock recovery

– 3 PLLs for system clock, USB, audio, ADC

•

LCD 8 × 40 or 4 × 44 with step-up converter

•

Up to 24 capacitive sensing channels: support

touchkey, linear and rotary touch sensors

•

4 x digital filters for sigma delta modulator

September 2018

This is information on a product in full production.

DS11584 Rev 8

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www.st.com

STM32L4A6xG

Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

3.10

Arm

Cortex

-M4 core with FPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Adaptive real-time memory accelerator (ART Accelerator™) . . . . . . . . . 18

Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Multi-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 22

Power supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.10.1

3.10.2

3.10.3

3.10.4

3.10.5

3.10.6

Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Reset mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

VBAT operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

3.11

3.12

3.13

3.14

3.15

3.16

Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 40

Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Chrom-ART Accelerator™ (DMA2D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3.16.1

3.16.2

Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 41

Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 41

3.17

Analog to digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3.17.1

3.17.2

Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . 43

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Contents

3.17.3

STM32L4A6xG

VBAT battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.18

3.19

3.20

3.21

3.22

3.23

3.24

3.25

3.26

3.27

3.28

3.29

Digital to analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Voltage reference buffer (VREFBUF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Comparators (COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Operational amplifier (OPAMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Liquid crystal display controller (LCD) . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Digital filter for Sigma-Delta Modulators (DFSDM) . . . . . . . . . . . . . . . . . . 46

Random number generator (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Digital camera interface (DCMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Advanced encryption standard hardware accelerator (AES) . . . . . . . . . . 48

HASH hardware accelerator (HASH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

3.29.1

3.29.2

3.29.3

3.29.4

3.29.5

3.29.6

3.29.7

3.29.8

Advanced-control timer (TIM1, TIM8) . . . . . . . . . . . . . . . . . . . . . . . . . . 49

General-purpose timers (TIM2, TIM3, TIM4, TIM5, TIM15, TIM16,

TIM17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Basic timers (TIM6 and TIM7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Low-power timer (LPTIM1 and LPTIM2) . . . . . . . . . . . . . . . . . . . . . . . . 51

Infrared interface (IRTIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

3.30

3.31

3.32

3.33

3.34

3.35

3.36

3.37

3.38

3.39

3.40

3.41

Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 52

Inter-integrated circuit interface (I

C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Universal synchronous/asynchronous receiver transmitter (USART) . . . 54

Low-power universal asynchronous receiver transmitter (LPUART) . . . . 55

Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Serial audio interfaces (SAI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Single wire protocol master interface (SWPMI) . . . . . . . . . . . . . . . . . . . . 57

Controller area network (CAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Secure digital input/output and MultiMediaCards Interface (SDMMC) . . . 58

Universal serial bus on-the-go full-speed (OTG_FS) . . . . . . . . . . . . . . . . 58

Clock recovery system (CRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Flexible static memory controller (FSMC) . . . . . . . . . . . . . . . . . . . . . . . . 59

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DS11584 Rev 8

STM32L4A6xG

Contents

3.42

3.43

Dual-flash Quad SPI memory interface (QUADSPI) . . . . . . . . . . . . . . . . 60

Development support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

3.43.1

3.43.2

Serial wire JTAG debug port (SWJ-DP) . . . . . . . . . . . . . . . . . . . . . . . . . 61

Embedded Trace Macrocell™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

6.1

Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

6.1.1

6.1.2

6.1.3

6.1.4

6.1.5

6.1.6

6.1.7

Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . 124

6.2

6.3

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

6.3.1

6.3.2

6.3.3

6.3.4

6.3.5

6.3.6

6.3.7

6.3.8

6.3.9

6.3.10

6.3.11

6.3.12

6.3.13

6.3.14

6.3.15

6.3.16

General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . 128

Embedded reset and power control block characteristics . . . . . . . . . . 128

Embedded voltage reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Wakeup time from low-power modes and voltage scaling

transition times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 162

Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 167

PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Flash memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Electrical sensitivity characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Extended interrupt and event controller input (EXTI) characteristics . . 186

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Description	STM32 32-BIT ARM CORTEX MCUS	ARM Microcontrollers - MCU Ultra-low-power with FPU ARM Cortex-M4 MCU 80 MHz with 1 Mbyte Flash, USB OTG, LCD, AES-256, DFSDM	ARM Microcontrollers - MCU Ultra-low-power with FPU ARM Cortex-M4 MCU 80 MHz with 1 Mbyte Flash, USB OTG, LCD, AES-256, DFSDM	ARM Microcontrollers - MCU Ultra-low-power with FPU ARM Cortex-M4 MCU 80 MHz with 1 Mbyte Flash, USB OTG, LCD, AES-256, DFSDM	LQFP 64 10X10X1.4 1	UFBGA 7X7X0.6 169L P	IC MCU 32BIT 1MB FLASH 132UFBGA	IC MCU 32BIT 1MB FLASH 169UFBGA	IC MCU 32BIT 1MB FLASH 144LQFP	Working voltage: 1.71V ~ 3.6V CPU bits: 32-Bit CPU core: ARM® Cortex®-M4 Main frequency (MAX): 80MHz ROM type: FLASH
Number of I/Os	83	136 I/O	110 I/O	52 I/O	52	136	110	136	115	83
core processor	ARM® Cortex®-M4	-	-	-	ARM® Cortex®-M4	ARM® Cortex®-M4	ARM® Cortex®-M4	ARM® Cortex®-M4	ARM® Cortex®-M4	-
core size	32-bit	-	-	-	32-bit	32-bit	32-bit	32-bit	32-bit	-
speed	80MHz	-	-	-	80MHz	80MHz	80MHz	80MHz	80MHz	-
Connectivity	CANbus，EBI/EMI，I²C，IrDA，LINbus，MMC/SD，QSPI，SAI，SPI，SWPMI，UART/USART，USB OTG	-	-	-	CANbus，EBI/EMI，I²C，IrDA，LINbus，MMC/SD，QSPI，SAI，SPI，SWPMI，UART/USART，USB OTG	CANbus，EBI/EMI，I²C，IrDA，LINbus，MMC/SD，QSPI，SAI，SPI，SWPMI，UART/USART，USB OTG	CANbus，EBI/EMI，I²C，IrDA，LINbus，MMC/SD，QSPI，SAI，SPI，SWPMI，UART/USART，USB OTG	CANbus，EBI/EMI，I²C，IrDA，LINbus，MMC/SD，QSPI，SAI，SPI，SWPMI，UART/USART，USB OTG	CANbus，EBI/EMI，I²C，IrDA，LINbus，MMC/SD，QSPI，SAI，SPI，SWPMI，UART/USART，USB OTG	-
Peripheral	Undervoltage detection/reset, DMA, LCD, PWM, WDT	-	-	-	Undervoltage detection/reset, DMA, LCD, PWM, WDT	Undervoltage detection/reset, DMA, LCD, PWM, WDT	Undervoltage detection/reset, DMA, LCD, PWM, WDT	Undervoltage detection/reset, DMA, LCD, PWM, WDT	Undervoltage detection/reset, DMA, LCD, PWM, WDT	-
Program storage capacity	1MB（1M x 8）	-	-	-	1MB（1M x 8）	1MB（1M x 8）	1MB（1M x 8）	1MB（1M x 8）	1MB（1M x 8）	-
Program memory type	flash memory	-	-	-	flash memory	flash memory	flash memory	flash memory	flash memory	-
RAM capacity	320K x 8	-	-	-	320K x 8	320K x 8	320K x 8	320K x 8	320K x 8	-
Voltage - Power Supply (Vcc/Vdd)	1.71 V ~ 3.6 V	-	-	-	1.71 V ~ 3.6 V	1.71 V ~ 3.6 V	1.71 V ~ 3.6 V	1.71 V ~ 3.6 V	1.71 V ~ 3.6 V	-
data converter	A/D 16x12b，D/A 2x12b	-	-	-	A/D 16x12b，D/A 2x12b	A/D 24x12b，A/D 2x12b	A/D 19x12b，D/A 2x12b	A/D 24x12b，A/D 2x12b	A/D 24x12b，A/D 2x12b	-
Oscillator type	internal	-	-	-	internal	internal	internal	internal	internal	-
Operating temperature	-40°C ~ 85°C（TA）	-	-	-	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）	-
Package/casing	100-UFBGA，WLCSP	-	-	-	64-LQFP	169-UFBGA	132-UFBGA	169-UFBGA	144-LQFP	-
Supplier device packaging	100-WLCSP（4.62x4.14）	-	-	-	64-LQFP（10x10）	169-UFBGA（7x7）	132-UFBGA（7x7）	169-UFBGA（7x7）	144-LQFP（20x20）	-

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