AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 155

• Manufacturer Part Number: AT83EC5123
• Description: (AT8xx512x) Smart Card Reader ICs
• Manufacturer: ATMEL Corporation

4202B–SCR–07/03
Number
2 - 0
Bit
Mnemonic Description
LB2:0
Bit
Program Lock Bits
The program lock bits protects the on-chip program against software piracy.
The AT8xC5122 products are delivered with the lowest protection level as
detailed in the following table:
LB2
1
1
LB1
1
0
LB0
1
1
Security
Level
1
2
Protection Description
No program lock features enabled.
Read test mode function is disabled.
High pin count package
MOVC instruction executed from external
program memory are disabled from
fetching code bytes from internal memory.
EA is sampled and latched on reset.
External execution is enabled.
Checksum control is enabled.
Low pin count package
Checksum control is enabled.
AT8xC5122/23
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