参数名
参数值
参数名
参数值
包装/外壳
QFN-32
安装类型
表面贴装
供应商器件包装
32-QFN (5x5)
ECCN (US)
3A991.a.2
Family Name
EFM8
Instruction Set Architecture
CISC
Maximum CPU Frequency (MHz)
50
Maximum Clock Rate (MHz)
50
Data Bus Width (bit)
8
Programmability
有
Interface Type
I2C/SMBus/SPI/UART
Number of I/Os
29
No. of Timers
6
Number of ADCs
Single
ADC Resolution (bit)
12
Number of DAC's
Quad
DAC Resolution (bit)
12/12/12/12
USART
0
UART
2
I2C
2
I2S
0
Watchdog
1
Analog Comparators
2
Parallel Master Port
无
Real Time Clock
无
Minimum Operating Supply Voltage (V)
2.2
Typical Operating Supply Voltage (V)
3.3
Maximum Operating Supply Voltage (V)
3.6
Minimum Operating Temperature (°C)
-40
Maximum Operating Temperature (°C)
125
Supplier Package
QFN EP
Mounting
表面贴装
Package Height
0.73
Package Length
5
Package Width
5
PCB changed
32
Moisture Sensitive
有
DAC Resolution
12 bit
Watchdog Timers
看门狗定时器
Maximum Clock Frequency
50 MHz
Maximum Operating Temperature
+ 125 C
Supply Voltage-Max
3.6 V
Minimum Operating Temperature
- 40 C
Factory Pack QuantityFactory Pack Quantity
73
Supply Voltage-Min
2.2 V
Mounting Styles
SMD/SMT
Manufacturer
Silicon Laboratories
Brand
Silicon Labs
Data RAM Type
RAM
RoHS
Details
Data RAM Size
4.35 kB
Package
Tube
Base Product Number
EFM8BB31
厂商
Silicon Labs
Data Converters
A/D 20x12b; D/A 2x12b
Product Status
活跃
包装
Tube
操作温度
-40°C ~ 125°C (TA)
系列
Busy Bee
零件状态
活跃
子类别
Microcontrollers - MCU
引脚数量
32
振荡器类型
Internal
速度
50MHz
内存大小
4.25KB
电压 - 供电 (Vcc/Vdd)
2.2V ~ 3.6V
核心处理器
CIP-51 8051
周边设备
Brown-out Detect/Reset, POR, PWM, WDT
程序存储器类型
Flash
芯尺寸
8-Bit
程序内存大小
64KB
连接方式
I²C, SMBus, SPI, UART/USART
数据总线宽度
8 bit
定时器/计数器的数量
6 Timer
产品类别
8-bit Microcontrollers - MCU
核心架构
8051
EEPROM 大小
-
ADC通道数量
20 Channel
以太网
0
USB
0
产品
MCU
SPI,SPI
1
CAN
0
脉宽调制
1
产品类别
8-bit Microcontrollers - MCU
ADC Channels
20
设备核心
8051
RoHS状态
符合RoHS标准