P r e l i m i n a r y
Table 3. CFI Query Identification String
Addresses
Data
Description
10h
11h
12h
0051h
0052h
0059h
Query Unique ASCII string “QRY”
13h
14h
0002h
0000h
Primary OEM Command Set
15h
16h
0040h
0000h
Address for Primary Extended Table
17h
18h
0000h
0000h
Alternate OEM Command Set (00h = none exists)
Address for Alternate OEM Extended Table (00h = none exists)
19h
1Ah
0000h
0000h
Table 4. System Interface String
Addresses
Data
Description
VCC Min. (write/erase)
D7–D4: volt, D3–D0: 100 millivolt
1Bh
0017h
VCC Max. (write/erase)
D7–D4: volt, D3–D0: 100 millivolt
1Ch
0019h
1Dh
1Eh
1Fh
20h
21h
22h
23h
24h
25h
26h
0000h
0000h
0004h
0000h
0009h
0000h
0004h
0000h
0004h
0000h
VPP Min. voltage (00h = no VPP pin present)
VPP Max. voltage (00h = no VPP pin present)
Typical timeout per single byte/word write 2N µs
Typical timeout for Min. size buffer write 2N
µs (00h = not supported)
Typical timeout per individual block erase 2N ms
Typical timeout for full chip erase 2N ms (00h = not supported)
Max. timeout for byte/word write 2N times typical
Max. timeout for buffer write 2N times typical
Max. timeout per individual block erase 2N times typical
Max. timeout for full chip erase 2N times typical (00h = not supported)
October 1, 2003 27243B1
Am29BDS320G
19
SPANSION [ SPANSION ]
