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STM32L052C6T6

ARM Microcontrollers - MCU 16/32-BITS MICROS

器件类别:嵌入式处理器和控制器    微控制器和处理器   

厂商名称:ST(意法半导体)

厂商官网:http://www.st.com/

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器件参数
参数名称
属性值
Brand Name
STMicroelectronics
厂商名称
ST(意法半导体)
包装说明
LFQFP,
Reach Compliance Code
compliant
ECCN代码
3A991.A.2
Factory Lead Time
14 weeks
Samacsys Description
STMICROELECTRONICS - STM32L052C6T6 - ARM MCU, Ultra Low Power, STM32 Family STM32L0 Series Microcontrollers, ARM Cortex-M0+, 32bit
具有ADC
YES
地址总线宽度
位大小
32
最大时钟频率
32 MHz
DAC 通道
YES
DMA 通道
YES
外部数据总线宽度
JESD-30 代码
S-PQFP-G48
长度
7 mm
I/O 线路数量
37
端子数量
48
最高工作温度
85 °C
最低工作温度
-40 °C
PWM 通道
YES
封装主体材料
PLASTIC/EPOXY
封装代码
LFQFP
封装形状
SQUARE
封装形式
FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度)
NOT SPECIFIED
ROM可编程性
FLASH
座面最大高度
1.6 mm
速度
32 MHz
最大供电电压
3.6 V
最小供电电压
1.8 V
标称供电电压
3.3 V
表面贴装
YES
技术
CMOS
温度等级
INDUSTRIAL
端子形式
GULL WING
端子节距
0.5 mm
端子位置
QUAD
处于峰值回流温度下的最长时间
NOT SPECIFIED
宽度
7 mm
uPs/uCs/外围集成电路类型
MICROCONTROLLER, RISC
文档预览
STM32L052x6 STM32L052x8
Ultra-low-power 32-bit MCU Arm
®
-based Cortex
®
-M0+, up to 64 KB
Flash memory, 8 KB SRAM, 2 KB EEPROM, USB, ADC, DAC
Datasheet
-
production data
Features
Ultra-low-power platform
– 1.65 V to 3.6 V power supply
-40
to 125 °C temperature range
– 0.27 µA Standby mode (2 wakeup pins)
– 0.4 µA Stop mode (16 wakeup lines)
– 0.8 µA Stop mode + RTC + 8 KB RAM retention
– 88 µA/MHz in Run mode
– 3.5 µs wakeup time (from RAM)
– 5 µs wakeup time (from Flash memory)
Core: Arm
®
32-bit Cortex
®
-M0+ with MPU
– From 32 kHz up to 32 MHz max.
– 0.95 DMIPS/MHz
Memories
– Up to 64 KB Flash memory with ECC
– 8KB RAM
– 2 KB of data EEPROM with ECC
– 20-byte backup register
– Sector protection against R/W operation
Up to 51 fast I/Os (45 I/Os 5V tolerant)
Reset and supply management
– Ultra-safe, low-power BOR (brownout reset)
with 5 selectable thresholds
– Ultra-low-power POR/PDR
– Programmable voltage detector (PVD)
Clock sources
– 1 to 25 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– High speed internal 16 MHz factory-trimmed RC
(+/- 1%)
– Internal low-power 37 kHz RC
– Internal multispeed low-power 65 kHz to
4.2 MHz RC
– Internal self calibration of 48 MHz RC for USB
– PLL for CPU clock
Pre-programmed bootloader
– USART, SPI supported
Development support
– Serial wire debug supported
UFQFPN32
5x5 mm
LQFP32 7x7 mm
LQFP48 7x7 mm
LQFP64 10x10 mm
Standard and thin TFBGA64
WLCSP36
5x5 mm
2.61x2.88 mm
Rich Analog peripherals
– 12-bit ADC 1.14 Msps up to 16 channels (down
to 1.65 V)
– 12-bit 1 channel DAC with output buffers (down
to 1.8 V)
– 2x ultra-low-power comparators (window mode
and wake up capability, down to 1.65 V)
Up to 24 capacitive sensing channels supporting
touchkey, linear and rotary touch sensors
7-channel DMA controller, supporting ADC, SPI,
I2C, USART, DAC, Timers
8x peripheral communication interfaces
– 1x USB 2.0 crystal-less, battery charging
detection and LPM
– 2x USART (ISO 7816, IrDA), 1x UART (low
power)
– Up to 4x SPI 16 Mbits/s
– 2x I2C (SMBus/PMBus)
9x timers: 1x 16-bit with up to 4 channels, 2x 16-bit
with up to 2 channels, 1x 16-bit ultra-low-power
timer, 1x SysTick, 1x RTC, 1x 16-bit basic for DAC,
and 2x watchdogs (independent/window)
CRC calculation unit, 96-bit unique ID
True RNG and firewall protection
All packages are ECOPACK
®
2
Table 1. Device summary
Reference
Part number
STM32L052C6,
STM32L052K6,
STM32L052R6,
STM32L052T6
STM32L052C8,
STM32L052K8,
STM32L052R8,
STM32L052T8
STM32L052x6
STM32L052x8
September 2017
This is information on a product in full production.
DocID025936 Rev 8
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www.st.com
Contents
STM32L052x6 STM32L052x8
Contents
1
2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1
2.2
Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.1
3.2
3.3
3.4
Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Arm® Cortex®-M0+ core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.4.1
3.4.2
3.4.3
Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
3.17
Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 26
General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 26
Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Direct memory access (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.12.1
Internal voltage reference (V
REFINT
) . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Digital-to-analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Ultra-low-power comparators and reference voltage . . . . . . . . . . . . . . . . 30
System configuration controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3.17.1
3.17.2
3.17.3
3.17.4
General-purpose timers (TIM2, TIM21 and TIM22) . . . . . . . . . . . . . . . . 32
Low-power Timer (LPTIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Basic timer (TIM6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
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Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Universal synchronous/asynchronous receiver transmitter (USART) . . 34
Low-power universal asynchronous receiver transmitter (LPUART) . . . 35
Serial peripheral interface (SPI)/Inter-integrated sound (I2S) . . . . . . . . 35
Universal serial bus (USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3.18
Communication interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
3.18.1
3.18.2
3.18.3
3.18.4
3.18.5
3.19
3.20
3.21
Clock recovery system (CRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Cyclic redundancy check (CRC) calculation unit . . . . . . . . . . . . . . . . . . . 36
Serial wire debug port (SW-DP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4
5
6
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
6.1
Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
6.2
6.3
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
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
General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Embedded reset and power control block characteristics . . . . . . . . . . . 58
Embedded internal reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Wakeup time from low-power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
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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
STM32L052x6 STM32L052x8
Electrical sensitivity characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
DAC electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Comparators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Communications interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
7
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
LQFP64 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
TFBGA64 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
LQFP48 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Standard WLCSP36 package information . . . . . . . . . . . . . . . . . . . . . . . 123
Thin WLCSP36 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
LQFP32 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
UFQFPN32 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
7.8.1
Reference document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
8
9
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
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List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
Table 17.
Table 18.
Table 19.
Table 20.
Table 21.
Table 22.
Table 23.
Table 24.
Table 25.
Table 26.
Table 27.
Table 28.
Table 29.
Table 30.
Table 31.
Table 32.
Table 33.
Table 34.
Table 35.
Table 36.
Table 37.
Table 38.
Table 39.
Table 40.
Table 41.
Table 42.
Table 43.
Table 44.
Table 45.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ultra-low-power STM32L052x6/x8 device features and peripheral counts. . . . . . . . . . . . . 11
Functionalities depending on the operating power supply range . . . . . . . . . . . . . . . . . . . . 17
CPU frequency range depending on dynamic voltage scaling . . . . . . . . . . . . . . . . . . . . . . 17
Functionalities depending on the working mode
(from Run/active down to standby) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
STM32L0xx peripherals interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Temperature sensor calibration values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Internal voltage reference measured values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Capacitive sensing GPIOs available on STM32L052x6/8 devices . . . . . . . . . . . . . . . . . . . 31
Timer feature comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Comparison of I2C analog and digital filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
STM32L052x6/8 I
2
C implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
USART implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
SPI/I2S implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Legend/abbreviations used in the pinout table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
STM32L052x6/8 pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Alternate function port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Alternate function port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Alternate function port C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Alternate function port D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Alternate function port H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Embedded reset and power control block characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 58
Embedded internal reference voltage calibration values . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Embedded internal reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Current consumption in Run mode, code with data processing running from Flash. . . . . . 61
Current consumption in Run mode vs code type,
code with data processing running from Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Current consumption in Run mode, code with data processing running from RAM . . . . . . 63
Current consumption in Run mode vs code type,
code with data processing running from RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Current consumption in Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Current consumption in Low-power run mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Current consumption in Low-power sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Typical and maximum current consumptions in Stop mode . . . . . . . . . . . . . . . . . . . . . . . . 67
Typical and maximum current consumptions in Standby mode . . . . . . . . . . . . . . . . . . . . . 68
Average current consumption during Wakeup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Peripheral current consumption in Run or Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Peripheral current consumption in Stop and Standby mode . . . . . . . . . . . . . . . . . . . . . . . 71
Low-power mode wakeup timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
High-speed external user clock characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Low-speed external user clock characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
HSE oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
LSE oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
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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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