M29W320ET, M29W320EB
Table 24. CFI Query System Interface Information
Address
Data
Description
Value
x16
x8
V
V
V
V
Logic Supply Minimum Program/Erase voltage
bit 7 to 4BCD value in volts
bit 3 to 0BCD value in 100 mV
CC
1Bh
36h
0027h
0036h
00B5h
00C5h
2.7V
3.6V
Logic Supply Maximum Program/Erase voltage
bit 7 to 4BCD value in volts
bit 3 to 0BCD value in 100 mV
CC
1Ch
1Dh
1Eh
38h
3Ah
3Ch
[Programming] Supply Minimum Program/Erase voltage
bit 7 to 4HEX value in volts
bit 3 to 0BCD value in 100 mV
PP
11.5V
12.5V
[Programming] Supply Maximum Program/Erase voltage
bit 7 to 4HEX value in volts
PP
bit 3 to 0BCD value in 100 mV
n
1Fh
20h
21h
22h
23h
24h
25h
26h
3Eh
40h
42h
44h
46h
48h
4Ah
4Ch
0004h
0000h
000Ah
0000h
0004h
0000h
0003h
0000h
16µs
NA
Typical timeout per single byte/word program = 2 µs
n
Typical timeout for minimum size write buffer program = 2 µs
n
1s
Typical timeout per individual block erase = 2 ms
n
NA
Typical timeout for full Chip Erase = 2 ms
n
256 µs
NA
Maximum timeout for byte/word program = 2 times typical
n
Maximum timeout for write buffer program = 2 times typical
n
8 s
Maximum timeout per individual block erase = 2 times typical
n
NA
Maximum timeout for Chip Erase = 2 times typical
Table 25. Device Geometry Definition
Address
Data
Description
Value
x16
x8
n
27h
4Eh
0016h
4 MByte
Device Size = 2 in number of bytes
28h
29h
50h
52h
0002h
0000h
x8, x16
Async.
Flash Device Interface Code description
2Ah
2Bh
54h
56h
0000h
0000h
n
NA
2
Maximum number of bytes in multi-byte program or page = 2
Number of Erase Block Regions. It specifies the number of
2Ch
58h
0002h
regions containing contiguous Erase Blocks of the same size.
2Dh
2Eh
5Ah
5Ch
0007h
0000h
Region 1 Information
Number of Erase Blocks of identical size = 0007h+1
8
2Fh
30h
5Eh
60h
0020h
0000h
Region 1 Information
Block size in Region 1 = 0020h * 256 byte
8Kbyte
63
31h
32h
62h
64h
003Eh
0000h
Region 2 Information
Number of Erase Blocks of identical size = 003Eh+1
33h
34h
66h
68h
0000h
0001h
Region 2 Information
Block size in Region 2 = 0100h * 256 byte
64Kbyte
Note: For the M29W320EB, Region 1 corresponds to addresses 000000h to 007FFFh and Region 2 to addresses 008000h to 1FFFFFh. For
the M29W320ET, Region 1 corresponds to addresses 1F8000h to 1FFFFFh and Region 2 to addresses 000000h to 1F7FFFh.
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STMICROELECTRONICS [ ST ]
