參數(shù)資料
型號(hào)： S83C51RA-1
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP44
封裝： QFP-44
文件頁(yè)數(shù)： 11/20頁(yè)
文件大?。?/td> 1665K
代理商： S83C51RA-1
8XC51RARBRC
Table 5 Program Lock Bits and the Features
Program Lock Bits
Protection Type
LB1
LB2
LB3
1
U
No Program Lock features enabled (Code verify will still be encrypted by the
Encryption Array if programmed)
2
P
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
P
U
Same as 2 also verify is disabled
4
P
Same as 3 also external execution is disabled
NOTE
Any other combination of the lock bits is not defined
EPROM PROGRAMMING AND VERIFICATION CHARACTERISTICS
(TA e 21 Cto27 C VCC e 5V g20% VSS e 0V)
Symbol
Parameter
Min
Max
Units
VPP
Programming Supply Voltage
125
130
V
IPP
Programming Supply Current
75
mA
1TCLCL
Oscillator Frequency
4
6
MHz
TAVGL
Address Setup to PROG Low
48TCLCL
TGHAX
Address Hold after PROG
48TCLCL
TDVGL
Data Setup to PROG Low
48TCLCL
TGHDX
Data Hold after PROG
48TCLCL
TEHSH
(Enable) High to VPP
48TCLCL
TSHGL
VPP Setup to PROG Low
10
m
s
TGHSL
VPP Hold after PROG
10
m
s
TGLGH
PROG Width
90
110
m
s
TAVQV
Address to Data Valid
48TCLCL
TELQV
ENABLE Low to Data Valid
48TCLCL
TEHQZ
Data Float after ENABLE
0
48TCLCL
TGHGL
PROG High to PROG Low
10
m
s
19
相關(guān)PDF資料
PDF描述
S83C51RA 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44
S83C51RC-1 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP44
S87C51RA-20 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQFP44
S87C51RA-24 8-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PQFP44
S87C51RB-1 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S83C51RA-20 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
S83C51RA-24 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
S83C51RB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
S83C51RB-1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
S83C51RB-20 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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