128Mb 3V Embedded Parallel NOR Flash
Common Flash Interface
Table 17: CFI Query System Interface Information
Note 1 applies to the entire table
Address
x16
x8
Data
Description
Value
1Bh
36h
0027h
VCC logic supply minimum program/erase voltage
Bits[7:4] BCD value in volts
2.7V
Bits[3:0] BCD value in 100mV
1Ch
1Dh
1Eh
38h
3Ah
3Ch
0036h
00B5h
00C5h
VCC logic supply maximum program/erase voltage
Bits[7:4] BCD value in volts
Bits[3:0] BCD value in 100mV
3.6V
VPPH (programming) supply minimum program/erase voltage
Bits[7:4] hex value in volts
Bits[3:0] BCD value in 100mV
11.5V
12.5V
VPPH (programming) supply maximum program/erase voltage
Bits[7:4] hex value in volts
Bits[3:0] BCD value in 100mV
1Fh
20h
21h
22h
23h
24h
25h
26h
3Eh
40h
42h
44h
46h
48h
4Ah
4Ch
0004h
0004h
0009h
0010h
0004h
0004h
0003h
0004h
Typical timeout for single byte/word program = 2nμs
Typical timeout for maximum size buffer program = 2nμs
Typical timeout per individual block erase = 2nms
Typical timeout for full chip erase = 2nms
Maximum timeout for byte/word program = 2n times typical
Maximum timeout for buffer program = 2n times typical
Maximum timeout per individual block erase = 2n times typical
Maximum timeout for chip erase = 2n times typical
16µs
16µs
0.5s
40s
200µs
200µs
2.3s
400s
1. The values in this table are valid for both packages.
Note:
Table 18: Device Geometry Definition
Address
x16
x8
Data
Description
Value
27h
4Eh
0018h
Device size = 2n in number of bytes
16MB
28h
29h
50h
52h
0002h
0000h
Flash device interface code description
x8, x16
asynchronous
2Ah
2Bh
54h
56h
0006h
0000h
Maximum number of bytes in multi-byte program or page =
2n
64B
1
2Ch
58h
0001h
Number of erase block regions. It specifies the number of
regions containing contiguous erase blocks of the same size.
2Dh
2Eh
5Ah
5Ch
007Fh
0000h
Erase block region 1 information
Number of identical-size erase blocks = 007Fh + 1
128 block
128KB
2Fh
30h
5Eh
60h
0000h
0002h
Erase block region 1 information
Block size in region 1 = 0200h × 256 bytes
PDF: 09005aef84daa141
m29w_128mb.pdf - Rev. A 7/13 EN
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