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TMS28F400BZT Datasheet(PDF) 4 Page - Texas Instruments

Part No. TMS28F400BZT
Description  8-BIT/262144 BY 16-BIT BOOT-BLOCK FLASH MEMORIES
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TMS28F400BZT Datasheet(HTML) 4 Page - Texas Instruments

 
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TMS28F400BZT, TMS28F400BZB
524288 BY 8-BIT/262144 BY 16-BIT
BOOT-BLOCK FLASH MEMORIES
SMJS400E – JUNE 1994 – REVISED JANUARY 1998
4
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
block memory maps (continued)
Parameter Block
8K Addresses
7FFFFh
7C000h
7BFFFh
7A000h
79FFFh
78000h
77FFFh
60000h
5FFFFh
40000h
3FFFFh
20000h
1FFFFh
00000h
Address
Range
Boot Block
16K Addresses
Parameter Block
8K Addresses
Main Block
96K Addresses
Main Block
128K Addresses
×8 Configuration
3FFFFh
3E000h
3DFFFh
3D000h
3CFFFh
3C000h
3BFFFh
30000h
2FFFFh
20000h
1FFFFh
10000h
0FFFFh
00000h
Address
Range
Boot Block
8K Addresses
Parameter Block
4K Addresses
Parameter Block
4K Addresses
Main Block
48K Addresses
Main Block
64K Addresses
×16 Configuration
Main Block
128K Addresses
Main Block
64K Addresses
Main Block
128K Addresses
Main Block
64K Addresses
DQ15/A –1 Is LSB Address
A0 Is LSB Address
Figure 1. TMS28F400BZT ( Top Boot Block ) Memory Map
7FFFFh
60000h
5FFFFh
40000h
3FFFFh
20000h
1FFFFh
08000h
07FFFh
06000h
05FFFh
04000h
03FFFh
00000h
Address
Range
Main Block
128K Addresses
Main Block
128K Addresses
Parameter Block
8K Addresses
×8 Configuration
DQ15/A –1 Is LSB Address
3FFFFh
30000h
2FFFFh
20000h
1FFFFh
10000h
0FFFFh
04000h
03FFFh
03000h
02FFFh
02000h
01FFFh
00000h
Address
Range
Main Block
64K Addresses
Main Block
64K Addresses
Parameter Block
4K Addresses
×16 Configuration
A0 Is LSB Address
Parameter Block
8K Addresses
Boot Block
16K Addresses
Parameter Block
4K Addresses
Boot Block
8K Addresses
Main Block
64K Addresses
Main Block
128K Addresses
Main Block
96K Addresses
Main Block
48K Addresses
Figure 2. TMS28F400BZB (Bottom Boot Block ) Memory Map


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