Datasheet

113730 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 3.0 — 14 March 2007 13 of 33
NXP Semiconductors
SL2 ICS53/SL2 ICS54
I•CODE SLI-S/I•CODE SLI-S HC
PUBLIC
8.1.3.4 Lock password
Command Code = B5h
With the Lock Password command the addressed password will be locked if the related
password has already been transmitted with a Set Password command before. A locked
password can not be changed any longer.
The different passwords are addressed with the Password Identifier.
Table 16. Request format
SOF Flags Lock
Password
IC Mfg
code
UID Password
Identifier
CRC16 EOF
8 bits 8 bits 8 bits 64 bits 8 bits 16 bits
8 bits
Table 17. Password identifier
Password Identifier Password
01h Read
02h Write
04h Privacy
08h Destroy SLI-S
10h EAS
Table 18. Response format when Error_flag is set
SOF Flags Error code CRC16 EOF
8 bits 8 bits 16 bits
Table 19. Response format when Error_flag is NOT set
SOF Flags CRC16 EOF
8 bits 16 bits