p80c592ffa-00 NXP Semiconductors, p80c592ffa-00 Datasheet - Page 34
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p80c592ffa-00
Manufacturer Part Number
p80c592ffa-00
Description
8-bit Microcontroller With On-chip Can
Manufacturer
NXP Semiconductors
Datasheet
1.P80C592FFA-00.pdf
(39 pages)
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1. The security lock bits are independent.
Philips Semiconductors
Security
The security feature protects against software piracy and prevents the contents of the FLASH from being read. The Security Lock bits are
located in FLASH. The 89C51/89C52/89C54/89C58 has 3 programmable security lock bits that will provide different levels of protection for the
on-chip code and data (see Table 8). Unlike the ROM and OTP versions, the security lock bits are independent. LB3 includes the security
protection of LB1.
Table 8.
NOTE:
2002 Jan 15
80C51 8-bit microcontroller family
4K/8K/16K/32K Flash
SECURITY LOCK BITS
Level
LB1
LB2
LB3
1
MOVC instructions executed from external program memory are disabled from fetching code bytes from
internal memory.
Program verification is disabled
External execution is disabled.
34
PROTECTION DESCRIPTION
89C51/89C52/89C54/89C58
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