FlashFlex51 MCU
SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD
SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD
Data Sheet
EA# = 0
FFFFH
FFFFH
E000H
DFFFH
EA# = 1
SFCF[1:0] = 00
8 KByte
Block 1
FFFFH
E000H
DFFFH
EA# = 1
SFCF[1:0] = 01
8 KByte
Block 1
EA# = 1
SFCF[1:0] = 10, 11
FFFFH
Not
Accessible
External
64 KByte
Not
Accessible
Not
Accessible
4000H
3FFFH
2000H
1FFFH
0000H
0000H
8 KByte
Block 0
8 KByte
Block 1
4000H
3FFFH
16 KByte
Block 0
0000H
4000H
3FFFH
16 KByte
Block 0
0000H
1255 F02.1
FIGURE
3-2: Program Memory Organization for 16 KByte SST89x54RDx
EA# = 0
FFFFH
FFFFH
E000H
DFFFH
EA# = 1
SFCF[1:0] = 00
8 KByte
Block 1
FFFFH
E000H
DFFFH
EA# = 1
SFCF[1:0] = 01
8 KByte
Block 1
EA# = 1
SFCF[1:0] = 10, 11
FFFFH
External
32 KByte
External
24 KByte
External
24 KByte
External
64 KByte
8000H
7FFFH
8000H
7FFFH
8000H
7FFFH
24 KByte
Block 0
32 KByte
Block 0
2000H
1FFFH
0000H
0000H
32 KByte
Block 0
8 KByte
Block 1
0000H
0000H
1255 F03.0
FIGURE
3-3: Program Memory Organization for 32 KByte SST89x58RDx
©2006 Silicon Storage Technology, Inc.
S71255-05-000
5/06
12
SST [ SILICON STORAGE TECHNOLOGY, INC ]
