SST89C54 查看數據表（PDF） - Silicon Storage Technology
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SST89C54 Datasheet PDF : 50 Pages
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FlashFlex51 MCU
SST89C54 / SST89C58
Preliminary Specifications
EA# = 1 & SFCF[7] = 1 EA# = 1 & SFCF[7] = 0
SFCF [1:0] = 01/10/11 SFCF [1:0] = 01/10/11
FFFFh 4 KByte
INTERNAL
F000h (Block 1)
FFFFh
EFFFh
48 KByte
EXTERNAL
44 KByte
EXTERNAL
4000h
3FFFh
15/14/12
KByte
INTERNAL
(Block 0)
4000h
3FFFh
15/14/12
KByte
INTERNAL
(Block 0)
0000h
1/2/4 KByte
INTERNAL
(Block 1)
1/2/4 KByte
INTERNAL
0000h (Block 1)
344 ILL F35.3
FIGURE 7: SST89C54 RE-MAPPED PROGRAM MEMORY ORGANIZATION
EA# = 1 & SFCF[7] = 1 EA# = 1 & SFCF[7] = 0
SFCF [1:0] = 01/10/11 SFCF [1:0] = 01/10/11
FFFFh 4 KByte
INTERNAL
F000h (Block 1)
FFFFh
EFFFh
28 KByte
EXTERNAL
32 KByte
EXTERNAL
8000h
7FFFh
31/30/28
KByte
INTERNAL
(Block 0)
8000h
7FFFh
31/30/28
KByte
INTERNAL
(Block 0)
1/2/4 KByte
INTERNAL
0000h (Block 1)
1/2/4 KByte
INTERNAL
0000h (Block 1)
344 ILL F36.1
FIGURE 8: SST89C58 RE-MAPPED PROGRAM MEMORY ORGANIZATION
© 2000 Silicon Storage Technology, Inc.
12
344-2 8/00
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