参数名
参数值
参数名
参数值
安装类型
表面贴装
包装/外壳
48-LQFP
供应商器件包装
48-LQFP (7x7)
ECCN (US)
3A991.a.2
Family Name
STM32L
Instruction Set Architecture
RISC
Maximum CPU Frequency (MHz)
80
Maximum Clock Rate (MHz)
80
Data Bus Width (bit)
32
Programmability
有
Interface Type
CAN/I2C/SPI/UART/USART/USB
Number of I/Os
38
No. of Timers
9
Number of ADCs
Single
ADC Resolution (bit)
12
Number of DAC's
Single
DAC Resolution (bit)
12
USART
3
UART
1
I2C
3
I2S
0
Watchdog
2
Analog Comparators
2
Parallel Master Port
无
Real Time Clock
有
Special Features
CAN控制器
Minimum Operating Supply Voltage (V)
1.71
Typical Operating Supply Voltage (V)
3.3
Maximum Operating Supply Voltage (V)
3.6
Lead Shape
Gull-wing
PCB changed
48
Package Width
7
Package Length
7
Package Height
1.4
Mounting
表面贴装
Supplier Package
LQFP
Standard Package Name
QFP
Supplier Temperature Grade
Industrial
Maximum Operating Temperature (°C)
85
Minimum Operating Temperature (°C)
-40
Maximum Power Dissipation (mW)
350
Package
Tape & Reel (TR)
厂商
STMicroelectronics
Data Converters
A/D 10x12b SAR; D/A 2x12b
Product Status
活跃
Moisture Sensitive
有
Factory Pack QuantityFactory Pack Quantity
2400
Manufacturer
STMicroelectronics
Brand
STMicroelectronics
Tradename
STM32
RoHS
Details
包装
卷带
操作温度
-40°C ~ 85°C (TA)
系列
STM32L4
零件状态
活跃
子类别
Microcontrollers - MCU
引脚数量
48
振荡器类型
External, Internal
速度
80MHz
内存大小
64KB
电压 - 供电 (Vcc/Vdd)
1.71V ~ 3.6V
核心处理器
ARM® Cortex®-M4
周边设备
Brown-out Detect/Reset, DMA, LCD, PWM, WDT
程序存储器类型
Flash
芯尺寸
32-Bit
程序内存大小
256KB
连接方式
CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB
数模转换器通道
2
产品类别
ARM Microcontrollers - MCU
核心架构
ARM
EEPROM 大小
-
以太网
0
USB
1
SPI,SPI
3
CAN
1
脉宽调制
1
产品类别
ARM Microcontrollers - MCU
ADC Channels
10
设备核心
ARM Cortex M4
RoHS状态
符合RoHS标准