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參數(shù)資料
| 型號(hào)： | SAF-C515C-8EMCA |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | PLASTIC, MQFP-80 |
| 文件頁(yè)數(shù)： | 65/97頁(yè) |
| 文件大?。?/td> | 1298K |
| 代理商： | SAF-C515C-8EMCA |
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C515C
Data Sheet
64
2003-02
Table 14
Lock Bit Protection Types
Lock Bits at
D1, D0
Protection
Level
Protection Type
D1
D0
1
Level 0
The OTP lock feature is disabled. During normal
operation of the C515C-8E, the state of the EA pin is
not latched on reset.
1
0
Level 1
During normal operation of the C515C-8E, MOVC
instructions executed from external program memory
are disabled from fetching code bytes from internal
memory. EA is sampled and latched on reset. An OTP
memory read operation is only possible according to
ROM verification mode 2, as it is defined for a
protected ROM version of the C515C-8R. Further
programming of the OTP memory is disabled
(reprogramming security).
0
1
Level 2
Same as level 1, but also OTP memory read operation
using ROM verification mode 2 is disabled.
0
Level 3
Same as level 2; but additionally external code
execution by setting EA = low during normal operation
of the C515C-8E is no more possible.
External code execution, which is initiated by an
internal program (e.g. by an internal jump instruction
above the ROM boundary), is still possible.
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相關(guān)代理商/技術(shù)參數(shù) |
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| SAFC515C8EMCAT | 制造商:Infineon Technologies AG 功能描述:MCU 8-bit C500 8051 CISC 64KB EPROM 5V 80-Pin MQFP T/R |
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| SAF-C515C-8EM-CAXT | 制造商:Infineon Technologies AG 功能描述: |
| SAF-C515C-8RM | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
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