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32 Mbit Multi-Purpose Flash Plus
A Microchip Technology Company
SST39VF3201C / SST39VF3202C
Preliminary Specifications
5. With A MS -A 4 = 0; Sec ID is read with A 3 -A 0 ,
SST ID is read with A 3 = 0 (Address range = 000000H to 000007H),
User ID is read with A 3 = 1 (Address range = 000008H to 000087H).
Lock Status is read with A 7 -A 0 = 0000FFH. Unlocked: DQ 3 = 1 / Locked: DQ 3 = 0.
6. Valid Word-Addresses for Sec ID are from 000000H-000007H and 000008H to 000087H.
7. The device does not remain in Software Product ID Mode if powered down.
8. For Manufacture ID
With A MS -A 0 =0;SST Manufacturer ID = 00BFH is read
For Device ID -
Device ID can be read either in one cycle (address 01H) or in three cycles (addresses 01H, 0EH and 0FH)
One-cycle method -
With A MS -A 1 =0, A 0 =1; SST39VF3201C/3202C Device ID = 235F/235E is read
Three-cycle method -
With A MS -A 1 =0, A 0 =1; SST39VF3201C/3202C Device ID = 235F/235E is read (cycle 1)
With A MS -A 4 =0; A 3 -A 1 =1; A 0 =0; SST39VF3201C/3202C Device ID additional info = 1A/1A is read (Note: 1A = 32 Mbit)
(cycle 2)
With A MS -A 4 =0; A 3 -A 0 =1; SST39VF3201C/3202C Device ID additional info = 00/01 is read (00/01 = Bottom/Top Boot)
(cycle 3)
A MS = Most significant address
A MS = A 20 for SST39VF3201C/3202C
9. Both Software ID Exit operations are equivalent
10. If users never lock after programming, Sec ID can be programmed over the previously unprogrammed bits (data=1)
using the Sec ID mode again (the programmed “0” bits cannot be reversed to “1”). Valid Word-Addresses for Sec ID are
from 000000H-000007H and 000008H to 000087H.
Table 8: CFI Query Identification String 1 for SST39VF3201C/3202C
Address
10H
11H
12H
13H
14H
15H
16H
17H
18H
19H
1AH
Data
0051H
0052H
0059H
0002H
0000H
0000H
0000H
0000H
0000H
0000H
0000H
Data
Query Unique ASCII string “QRY”
Primary OEM command set
Address for Primary Extended Table
Alternate OEM command set (00H = none exists)
Address for Alternate OEM extended Table (00H = none exits)
T8.0 25020
1. Refer to CFI publication 100 for more details.
?2011 Silicon Storage Technology, Inc.
15
DS25020A
06/11
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