Common Flash Interface (CFI)
M29FxxxFT, M29FxxxFB
Value
Address
Data
Description
x16
x8
Number of Erase Block Regions within the device.
2Ch
58h
0004h
4
It specifies the number of regions within the device containing
contiguous Erase Blocks of the same size.
2Dh
2Eh
5Ah
5Ch
0000h
0000h
Region 1 Information
1
Number of identical size erase block = 0000h+1
2Fh
30h
5Eh
60h
0040h
0000h
Region 1 Information
16 KByte
Block size in Region 1 = 0040h * 256 Byte
31h
32h
62h
64h
0001h
0000h
Region 2 Information
2
Number of identical size erase block = 0001h+1
33h
34h
66h
68h
0020h
0000h
Region 2 Information
8 KByte
Block size in Region 2 = 0020h * 256 Byte
35h
36h
6Ah
6Ch
0000h
0000h
Region 3 Information
1
Number of identical size erase block = 0000h+1
37h
38h
6Eh
70h
0080h
0000h
Region 3 Information
32 KByte
Block size in Region 3 = 0080h * 256 Byte
39h
3Ah
72h
74h
001Eh
0000h
Region 4 Information (2 MByte)
31
Number of identical-size erase block = 001Eh+1
39h
3Ah
72h
74h
000Eh
0000h
Region 4 Information (1 MByte)
15
Number of identical-size erase block = 000Eh+1
39h
3Ah
72h
74h
0006h
0000h
Region 4 Information (512 KByte)
7
Number of identical-size erase block = 0006h+1
39h
3Ah
72h
74h
0002h
0000h
Region 4 Information (256 KByte)
3
Number of identical-size erase block = 0002h+1
3Bh
3Ch
76h
78h
0000h
0001h
Region 4 Information
64 KByte
Block size in Region 4 = 0100h * 256 Byte
Table 35. Primary Algorithm-Specific Extended Query Table
Address
Data
Description
Value
x16
x8
80h
40h
41h
42h
43h
44h
0050h
0052h
0049h
0031h
0030h
"P"
"R"
"I"
82h
84h
86h
88h
Primary Algorithm extended Query table unique ASCII string “PRI”
Major version number, ASCII
Minor version number, ASCII
"1"
"0"
Address Sensitive Unlock (bits 1 to 0)
00 = required, 01= not required
45h
46h
8Ah
8Ch
0000h
0002h
Yes
2
Silicon Revision Number (bits 7 to 2)
Erase Suspend
00 = not supported, 01 = Read only, 02 = Read and Write
58/67
NUMONYX [ NUMONYX B.V ]
