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M28W320BT Datasheet(PDF) 35 Page - STMicroelectronics

Part # M28W320BT
Description  32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory
PDF  43 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M28W320BT Datasheet(HTML) 35 Page - STMicroelectronics

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M28W320BT, M28W320BB
Table 26. Device Geometry Definition
Offset Word
Mode
Data
Description
Value
27h
0016h
Device Size = 2n in number of bytes
4MByte
28h
29h
0001h
0000h
Flash Device Interface Code description
x16
Async
2Ah
2Bh
0002h
0000h
Maximum number of bytes in multi-byte program or page = 2n
4
2Ch
0002h
Number of Erase Block Regions within the device.
It specifies the number of regions within the device containing contiguous
Erase Blocks of the same size.
2
2Dh
2Eh
003Eh
0000h
Region 1 Information
Number of identical-size erase block = 003Eh+1
63
2Fh
30h
0000h
0001h
Region 1 Information
Block size in Region 1 = 0100h * 256 byte
64KByte
31h
32h
0007h
0000h
Region 2 Information
Number of identical-size erase block = 0007h+1
8
33h
34h
0020h
0000h
Region 2 Information
Block size in Region 2 = 0020h * 256 byte
8KByte
2Dh
2Eh
0007h
0000h
Region 1 Information
Number of identical-size erase block = 0007h+1
8
2Fh
30h
0020h
0000h
Region 1 Information
Block size in Region 1 = 0020h * 256 byte
8KByte
31h
32h
003Eh
0000h
Region 2 Information
Number of identical-size erase block = 003Eh+1
63
33h
34h
0000h
0001h
Region 2 Information
Block size in Region 2 = 0100h * 256 byte
64KByte



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