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SST32HF3282 Datasheet(PDF) 10 Page - Silicon Storage Technology, Inc |
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SST32HF3282 Datasheet(HTML) 10 Page - Silicon Storage Technology, Inc |
10 / 36 page 10 Preliminary Specifications Multi-Purpose Flash Plus + SRAM ComboMemory SST32HF1642 / SST32HF1682 / SST32HF3242 / SST32HF3282 SST32HF1622C / SST32HF1642C / SST32HF3242C ©2005 Silicon Storage Technology, Inc. S71253-03-000 5/05 TABLE 6: SOFTWARE COMMAND SEQUENCE Command Sequence 1st Bus Write Cycle 2nd Bus Write Cycle 3rd Bus Write Cycle 4th Bus Write Cycle 5th Bus Write Cycle 6th Bus Write Cycle Addr1 Data2 Addr1 Data2 Addr1 Data2 Addr1 Data2 Addr1 Data2 Addr1 Data2 Word-Program 5555H AAH 2AAAH 55H 5555H A0H WA3 Data Sector-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H SAX4 30H Block-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H BAX4 50H Chip-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H 5555H 10H Erase-Suspend XXXXH B0H Erase-Resume XXXXH 30H Query Sec ID5 5555H AAH 2AAAH 55H 5555H 88H User Security ID Word-Program 5555H AAH 2AAAH 55H 5555H A5H WA6 Data User Security ID Program Lock-Out 5555H AAH 2AAAH 55H 5555H 85H XXH6 0000H Software ID Entry7,8 5555H AAH 2AAAH 55H 5555H 90H Software ID Exit9,10 /Sec ID Exit 5555H AAH 2AAAH 55H 5555H F0H Software ID Exit9,10 /Sec ID Exit XXH F0H T6.2 1253 1. Address format A14-A0 (Hex). Addresses A15-A19 can be VIL or VIH, but no other value, for Command sequence for SST32HF16x2x, Addresses A15-A20 can be VIL or VIH, but no other value, for Command sequence for SST32HF32x2x. 2. DQ15-DQ8 can be VIL or VIH, but no other value, for Command sequence 3. WA = Program Word address 4. SAX for Sector-Erase; uses AMS-A11 address lines BAX, for Block-Erase; uses AMS-A15 address lines AMS = Most significant address AMS = A19 for SST32HF16x2x and A20 for SST32HF32x2x. 5. With AMS-A4 = 0; Sec ID is read with A3-A0, SST ID is read with A3 = 0 (Address range = 000000H to 000007H), User ID is read with A3 = 1 (Address range = 000010H to 000017H). Lock Status is read with A7-A0 = 0000FFH. Unlocked: DQ3 = 1 / Locked: DQ3 = 0. 6. Valid Word-Addresses for Sec ID are from 000000H-000007H and 000010H-000017H. 7. The device does not remain in Software Product ID Mode if powered down. 8. With AMS-A1 =0; SST Manufacturer ID = 00BFH, is read with A0 = 0, SST32HF16x2x Device ID = 234AH, is read with A0 = 1, SST32HF32x2x Device ID = 235AH, is read with A0 = 1, AMS = Most significant address AMS = A19 for SST32HF16x2x and A20 for SST32HF32x2x. 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 000010H-000017H. |
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