Table 7. System Interface String
Addresses
Addresses
(Word Mode)
(Byte Mode)
Data
Description
1Bh
1Ch
1Dh
1Eh
1Fh
20h
21h
22h
23h
24h
25h
26h
36h
38h
3Ah
3Ch
3Eh
40h
42h
44h
46h
48h
4Ah
4Ch
0027h
0036h
0000h
0000h
0007h
0000h
000Ah
0000h
0001h
0000h
0004h
0000h
VCC Min. (write/erase). D7–D4: volt, D3–D0: 100 millivolt
VCC Max. (write/erase). D7–D4: volt, D3–D0: 100 millivolt
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)
Reserved for future use
Max. timeout for buffer write 2N times typical (00h = not supported)
Max. timeout per individual block erase 2N times typical
Max. timeout for full chip erase 2N times typical (00h = not supported)
Note: CFI data related to timeouts may differ from actual timeouts of the product. Consult the Ordering the Erase and
Programming Performance table for timeout guidelines.
Table 8. Device Geometry Definition
Addresses
Addresses
(Word Mode)
(Byte Mode)
Data
Description
27h
4Eh
0015h
Device Size = 2N byte
28h
29h
50h
52h
0002h
0000h
Flash Device Interface description (refer to CFI publication 100)
2Ah
2Bh
54h
56h
0000h
0000h
Max. number of byte in multi-byte write = 2N
(00h = not supported)
2Ch
58h
0004h
Number of Erase Block Regions within device
2Dh
2Eh
2Fh
30h
5Ah
5Ch
5Eh
60h
0000h
0000h
0040h
0000h
Erase Block Region 1 Information
(refer to the CFI specification or CFI publication 100)
31h
32h
33h
34h
62h
64h
66h
68h
0001h
0000h
0020h
0000h
Erase Block Region 2 Information
Erase Block Region 3 Information
Erase Block Region 4 Information
35h
36h
37h
38h
6Ah
6Ch
6Eh
70h
0000h
0000h
0080h
0000h
39h
3Ah
3Bh
3Ch
72h
74h
76h
78h
001Eh
0000h
0000h
0001h
April 21, 2004 S29AL016M_00A4
S29AL016M
22
SPANSION [ SPANSION ]
