FlashFlex MCU
SST89E516RD2 / SST89E516RD
SST89V516RD2 / SST89V516RD
Data Sheet
TABLE
Level
9-2: Security Lock Access Table
Byte-Verify Allowed
MOVC Allowed
Source
Target
SFST[7:5]
Address1
Address2
External Host3
IAP
516RDx
Y
Block 0/1
External
Block 0/1
External
Block 0/1
External
Block 0/1
External
Block 0
N
N/A
N
N
N/A
N
Block 0/1
N
N
N
Y
111b
4
(hard lock on both blocks)
External
Block 0/1
External
N/A
N
N/A
N
N/A
N
N/A
N
N
N
Y
011b/101b
(hard lock on both blocks)
N/A
N
N/A
N
Y
Block 0
Block 1
N
N
N
N
Y
External
Block 0
N/A
N
N/A
Y
001b/110b
(Block 0 = SoftLock,
Block 1 = hard lock)
Block 1
External
Block 0
Block 1
N
N
Y
External
Block 0/1
External
Block 0
N/A
N
N/A
N
N
N
Y
3
N/A
N
N/A
N
Y
Block 1
N
Y
Y
External
Block 0
N/A
N
N/A
Y
N
Y
010b
(SoftLock on both blocks)
Block 1
External
Block 0
Block 1
N
N
Y
External
Block 0/1
External
Block 0
N/A
N
N/A
N
N
N
Y
N/A
Y
N/A
N
Y
Block 1
Y
Y
Y
External
Block 0
N/A
Y
N/A
Y
N
Y
100b
2
(SoftLock on both blocks)
Block 1
External
Block 0
Block 1
Y
N
Y
External
Block 0/1
External
Block 0
N/A
Y
N/A
N
N
N
Y
N/A
Y
N/A
N
Y
Block 1
Y
Y
Y
External
Block 0
N/A
Y
N/A
Y
N
Y
000b
(unlock)
1
Block 1
Block 1
Y
N
Y
External
Block 0/1
External
N/A
Y
N/A
Y
N
N
Y
External
N/A
N/A
T9-2.0 1273
1. Location of MOVC or IAP instruction
2. Target address is the location of the byte being read
3. External host Byte-Verify access does not depend on a source address.
©2007 Silicon Storage Technology, Inc.
S71273-03-000
1/07
57
SST [ SILICON STORAGE TECHNOLOGY, INC ]
