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M29W640DB90N6T(2004) データシートの表示(PDF) - STMicroelectronics

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M29W640DB90N6T
(Rev.:2004)
ST-Microelectronics
STMicroelectronics 
M29W640DB90N6T Datasheet PDF : 49 Pages
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M29W640DT, M29W640DB
Address
x16
x8
Data
Description
Value
35h
6Ah
0000h Region 3 Information
36h
6Ch
0000h Number of Erase Blocks of identical size=007Fh+1
0
37h
6Eh
0000h Region 3 Information
38h
70h
0000h Block size in Region 3 = 0000h * 256 byte
0
39h
72h
0000h Region 4 Information
3Ah
74h
0000h Number of Erase Blocks of Identical size=007Fh+1
0
3Bh
76h
0000h Region 4 Information
3Ch
78h
0000h Block size in Region 4 = 0000h * 256 byte
0
Note: For Bottom Boot devices, Erase Block Region 1 is located from address 000000h to 007FFFh and Erase Block Region 2 from address
008000h to 3FFFFFh.
For Top Boot devices, Erase Block Region 1 is located from address 000000h to 3F7FFFh and Erase Block Region 2 from address
3F8000h to 3FFFFFh.
Table 25. Primary Algorithm-Specific Extended Query Table
Address
x16
x8
Data
Description
40h
80h
0050h
41h
82h
0052h Primary Algorithm extended Query table unique ASCII string “PRI”
42h
84h
0049h
43h
86h
0031h Major version number, ASCII
44h
88h
0033h Minor version number, ASCII
45h
8Ah
0000h Address Sensitive Unlock (bits 1 to 0)
00h = required, 01h = not required
Silicon Revision Number (bits 7 to 2)
46h
8Ch
0002h Erase Suspend
00h = not supported, 01h = Read only, 02 = Read and Write
47h
8Eh
0004h Block Protection
00h = not supported, x = number of blocks per protection group
48h
90h
0001h Temporary Block Unprotect
00h = not supported, 01h = supported
49h
92h
0004h Block Protect /Unprotect
04 = M29W640D
4Ah
94h
0000h Simultaneous Operations, 00h = not supported
4Bh
96h
0000h Burst Mode, 00h = not supported, 01h = supported
4Ch
98h
0000h Page Mode, 00h = not supported, 01h = 4 page word, 02h = 8 page
word
4Dh
9Ah
00B5h VPP Supply Minimum Program/Erase voltage
bit 7 to 4 HEX value in volts
bit 3 to 0 BCD value in 100 mV
4Eh
9Ch
00C5h VPP Supply Maximum Program/Erase voltage
bit 7 to 4 HEX value in volts
bit 3 to 0 BCD value in 100 mV
4Fh
9Eh
Top/Bottom Boot Block Flag
0002h 02h = Bottom Boot device
0003h 03h = Top Boot device
Value
"P"
"R"
"I"
“1”
"3"
Yes
2
4
Yes
04
No
No
No
11.5V
12.5V
40/49

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