R
Platform Flash XL High-Density Configuration and Storage Device
Table 10: Protection Register Locks
Lock
Description
Number
Address
Bits
bit 0
Preprogrammed to protect Unique Device Number, address 81hto 84hin PR0
Protects 64 bits of OTP segment, address 85hto 88hin PR0
Reserved
Lock 1
80h
bit 1
bits 2 to 15
bit 0
Protects 128 bits of OTP segment PR1
Protects 128 bits of OTP segment PR2
Protects 128 bits of OTP segment PR3
–
bit 1
bit 2
Lock 2
89h
–
bit 13
bit 14
bit 15
Protects 128 bits of OTP segment PR14
Protects 128 bits of OTP segment PR15
Protects 128 bits of OTP segment PR16
X-Ref Target - Figure 8
109h
PR16
User Programmable OTP
102h
91h PR1
User Programmable OTP
8Ah
89h
Protection
Register Lock
15 14 13 12 1110 9 8 7 6 5 4 3 2 1 0
88h
PR0
User Programmable OTP
85h
84h
Unique Device Number
81h
80h
Protection Register Lock
1 0
DS617_41_101508
Notes:
1. The iMPACT software does not support reading or writing of the protection register locks, OTP fields, or unique device number.
Figure 8: Protection Register Memory Map
DS617 (v3.0.1) January 07, 2010
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Product Specification
20
XILINX [ XILINX, INC ]
