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87C52 PDF预览

87C52

更新时间: 2024-02-28 22:34:36
品牌 Logo 应用领域
英特尔 - INTEL 微控制器
页数 文件大小 规格书
23页 313K
描述
CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

87C52 技术参数

生命周期:ActiveReach Compliance Code:compliant
风险等级:5.84具有ADC:NO
地址总线宽度:16位大小:8
最大时钟频率:12 MHzDAC 通道:NO
DMA 通道:NO外部数据总线宽度:8
长度:52 mmI/O 线路数量:32
端子数量:40PWM 通道:NO
封装代码:WDIP封装形状:RECTANGULAR
封装形式:IN-LINE速度:12 MHz
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:NO
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL宽度:15.24 mm
uPs/uCs/外围集成电路类型:MICROCONTROLLER

87C52 数据手册

 浏览型号87C52的Datasheet PDF文件第17页浏览型号87C52的Datasheet PDF文件第18页浏览型号87C52的Datasheet PDF文件第19页浏览型号87C52的Datasheet PDF文件第20页浏览型号87C52的Datasheet PDF文件第21页浏览型号87C52的Datasheet PDF文件第23页 
8XC52/54/58  
Table 5. Program Lock Bits and the Features  
Protection Type  
Program Lock Bits  
LB1  
LB2  
LB3  
1
2
U
U
U
No Program Lock features enabled. (Code verify will still be encrypted by the  
Encryption Array if programmed.)  
P
U
U
MOVC instructions executed from external program memory are disabled from  
fetching code bytes from internal memory, EA is sampled and latched on  
Reset, and further programming of the EPROM is disabled.  
3
4
P
P
P
P
U
P
Same as 2, also verify is disabled.  
Same as 3, also external execution is disabled.  
NOTE:  
Any other combination of the lock bits is not defined.  
EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS  
e
e
e
0V)  
SS  
g
5V 20%; V  
(T  
A
21 C to 27 C; V  
§
Symbol  
§
CC  
Parameter  
Min  
Max  
13.0  
75  
Units  
V
V
Programming Supply Voltage  
Programming Supply Current  
Oscillator Frequency  
12.5  
PP  
I
mA  
PP  
1/TCLCL  
TAVGL  
TGHAX  
TDVGL  
TGHDX  
TEHSH  
TSHGL  
TGHSL  
TGLGH  
TAVQV  
TELQV  
TEHQZ  
TGHGL  
4
6
MHz  
Address Setup to PROG Low  
Address Hold after PROG  
Data Setup to PROG Low  
Data Hold after PROG  
48TCLCL  
48TCLCL  
48TCLCL  
48TCLCL  
48TCLCL  
10  
(Enable) High to V  
PP  
V
V
Setup to PROG Low  
ms  
ms  
ms  
PP  
PP  
Hold after PROG  
10  
PROG Width  
90  
110  
Address to Data Valid  
ENABLE Low to Data Valid  
Data Float after ENABLE  
PROG High to PROG Low  
48TCLCL  
48TCLCL  
48TCLCL  
0
10  
ms  
22  

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