参数名
参数值
参数名
参数值
Family Name
MCS51
Instruction Set Architecture
CISC
Maximum CPU Frequency (MHz)
33
Maximum Clock Rate (MHz)
33
Data Bus Width (bit)
8
Maximum Expanded Memory Size
64KB
Programmability
有
Number of I/Os
32
No. of Timers
3
USART
0
UART
0
I2C
0
I2S
0
Parallel Master Port
无
Real Time Clock
无
Minimum Operating Supply Voltage (V)
4.5
Typical Operating Supply Voltage (V)
5
Maximum Operating Supply Voltage (V)
5.5
Maximum Power Dissipation (mW)
1500
Minimum Operating Temperature (°C)
-40
Maximum Operating Temperature (°C)
85
Supplier Temperature Grade
Extended
CECC Qualified
无
Standard Package Name
LCC
Supplier Package
PLCC
Mounting
表面贴装
Package Height
3.68(Min)
Package Length
16.7(Max)
Package Width
16.7(Max)
PCB changed
44
Lead Shape
J-Lead
零件状态
Obsolete
引脚数量
44
内存大小
256B
程序存储器类型
EPROM
程序内存大小
8KB
核心架构
8051
以太网
0
USB
0
SPI,SPI
0
CAN
0
设备核心
80C51
RoHS状态
符合RoHS标准