STM32L432KBU6 datasheet, PDF - EEWORLD Datasheet

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STM32L432KBU6: DescriptionOperating voltage: 1.71V ~ 3.6V CPU bits: 32-Bit CPU core: ARM® Cortex®-M4 Main frequency (MAX): 80MHz ROM type: FLASH Cortex-M4 MCU 80 MHz with 256 Kbytes Flash, USB; CategoryThe embedded processor and controller Microcontrollers and processors; File Size2MB，149 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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STM32L432KBU6 Overview

Operating voltage: 1.71V ~ 3.6V CPU bits: 32-Bit CPU core: ARM® Cortex®-M4 Main frequency (MAX): 80MHz ROM type: FLASH Cortex-M4 MCU 80 MHz with 256 Kbytes Flash, USB

STM32L432KBU6 Parametric

Parameter Name	Attribute value
Brand Name	STMicroelectronics
Is it Rohs certified?	conform to
package instruction	HVQCCN,
Manufacturer packaging code	UFQFPN 32 5x5x0.55
Reach Compliance Code	compliant
Factory Lead Time	11 weeks
Has ADC	YES
Address bus width
bit size	32
maximum clock frequency	48 MHz
DMA channel	YES
External data bus width
length	5 mm
Number of I/O lines	26
Number of terminals	32
PWM channel	YES
encapsulated code	HVQCCN
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
speed	80 MHz
Maximum supply voltage	3.6 V
Minimum supply voltage	1.71 V
Nominal supply voltage	1.8 V
surface mount	YES
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5 mm
uPs/uCs/peripheral integrated circuit type	MICROCONTROLLER, RISC
Base Number Matches	1

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STM32L432KB STM3L432KC

Ultra-low-power ARM

Cortex

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

up to 256KB Flash, 64KB SRAM, USB FS, analog, audio

Datasheet

production data

Features

•

Ultra-low-power with FlexPowerControl

– 1.71 V to 3.6 V power supply

– -40 °C to 85/105/125 °C temperature range

– 8 nA Shutdown mode (2 wakeup pins)

– 28 nA Standby mode (2 wakeup pins)

– 280 nA Standby mode with RTC

– 1.0 µA Stop 2 mode, 1.28 µA Stop 2 with

RTC

– 84 µA/MHz run mode

– Batch acquisition mode (BAM)

– 4 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, 100DMIPS/1.25DMIPS/MHz (Dhrystone

2.1), and DSP instructions

•

Performance Benchmark

– 1.25 DMIPS/MHz (Drystone 2.1)

– 273.55 Coremark

(3.42 Coremark/MHz @

80 MHz)

•

Energy Benchmark

– 176.7 ULPBench

score

•

Clock Sources

– 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

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

•

RTC with HW calendar, alarms and calibration

•

Up to 3 capacitive sensing channels

May 2016

This is information on a product in full production.

UFQFPN32 (5x5)

•

11x timers: 1x 16-bit advanced motor-control,

1x 32-bit and 2x 16-bit general purpose, 2x 16-

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

in Stop mode), 2x watchdogs, SysTick timer

•

Up to 26 fast I/Os, most 5 V-tolerant

•

Memories

– Up to 256 KB single bank Flash,

proprietary code readout protection

– 64 KB of SRAM including 16 KB with

hardware parity check

– Quad SPI memory interface

•

Rich analog peripherals (independent supply)

– 1× 12-bit ADC 5 Msps, up to 16-bit with

hardware oversampling, 200 µA/Msps

– 2x 12-bit DAC, low-power sample and hold

– 1x operational amplifier with built-in PGA

– 2x ultra-low-power comparators

•

13x communication interfaces

– USB 2.0 full-speed crystal less solution

with LPM and BCD

– 1x SAI (serial audio interface)

– 2x I2C FM+(1 Mbit/s), SMBus/PMBus

– 3x USARTs (ISO 7816, LIN, IrDA, modem)

– 2x SPIs (3x SPIs with the Quad SPI)

– CAN (2.0B Active)

– SWPMI single wire protocol master I/F

– IRTIM (Infrared interface)

•

14-channel DMA controller

•

True random number generator

•

CRC calculation unit, 96-bit unique ID

•

Development support: serial wire debug

(SWD), JTAG, Embedded Trace Macrocell™

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Contents

STM32L432KB STM3L432KC

Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

ARM

Cortex

-M4 core with FPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Adaptive real-time memory accelerator (ART Accelerator™) . . . . . . . . . 13

Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 16

Power supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.9.1

3.9.2

3.9.3

3.9.4

3.9.5

Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Reset mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.10

3.11

3.12

3.13

3.14

Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 28

Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.14.1

3.14.2

Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 29

Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 29

Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.15

Analog to digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.15.1

3.15.2

3.16

3.17

3.18

Digital to analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Comparators (COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Operational amplifier (OPAMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

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STM32L432KB STM3L432KC

Contents

3.19

3.20

3.21

Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Random number generator (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3.21.1

3.21.2

3.21.3

3.21.4

3.21.5

3.21.6

3.21.7

3.21.8

Advanced-control timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

General-purpose timers (TIM2, TIM15, TIM16) . . . . . . . . . . . . . . . . . . . 35

Basic timers (TIM6 and TIM7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Low-power timer (LPTIM1 and LPTIM2) . . . . . . . . . . . . . . . . . . . . . . . . 35

Infrared interface (IRTIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

3.22

3.23

3.24

3.25

3.26

3.27

3.28

3.29

3.30

3.31

3.32

3.33

Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 37

Inter-integrated circuit interface (I

C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Universal synchronous/asynchronous receiver transmitter (USART) . . . 39

Low-power universal asynchronous receiver transmitter (LPUART) . . . . 40

Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Serial audio interfaces (SAI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Single wire protocol master interface (SWPMI) . . . . . . . . . . . . . . . . . . . . 42

Controller area network (CAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Universal serial bus (USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Clock recovery system (CRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Quad SPI memory interface (QUADSPI) . . . . . . . . . . . . . . . . . . . . . . . . . 44

Development support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

3.33.1

3.33.2

Serial wire JTAG debug port (SWJ-DP) . . . . . . . . . . . . . . . . . . . . . . . . . 45

Embedded Trace Macrocell™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6.1

Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6.1.1

6.1.2

6.1.3

6.1.4

Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

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Contents

6.1.5

6.1.6

6.1.7

STM32L432KB STM3L432KC

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

6.2

6.3

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

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

6.3.17

6.3.18

6.3.19

6.3.20

6.3.21

6.3.22

6.3.23

General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 63

Embedded reset and power control block characteristics . . . . . . . . . . . 63

Embedded voltage reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Wakeup time from low-power modes and voltage scaling

transition times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Flash memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Electrical sensitivity characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Analog switches booster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Analog-to-Digital converter characteristics . . . . . . . . . . . . . . . . . . . . . 109

Digital-to-Analog converter characteristics . . . . . . . . . . . . . . . . . . . . . 122

Comparator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Operational amplifiers characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 127

Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Communication interfaces characteristics . . . . . . . . . . . . . . . . . . . . . . 131

Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

7.1

7.2

UFQFPN32 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

7.2.1

Reference document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

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DocID028798 Rev 2

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Shortcut: L0 L1 L2 L3 L4 L5 L6 L7 L8 L9 LA LB LC LD LE LF LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW LX LY LZ M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ N0 N1 N2 N3 N4 N5 N6 N7 N8 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NX NZ O0 O1 O2 O3 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OP OQ OR OS OT OV OX OY OZ P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ Q1 Q2 Q3 Q4 Q5 Q6 Q8 Q9 QA QB QC QE QF QG QH QK QL QM QP QR QS QT QV QW QX QY R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ

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