SST89E554 Ver la hoja de datos (PDF) - Silicon Storage Technology
Número de pieza
componentes Descripción
Fabricante
SST89E554 Datasheet PDF : 58 Pages
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FlashFlex51 MCU
SST89E564 / SST89V564 / SST89E554 / SST89V554
Preliminary Specifications
ALE
PSEN#
PORT 0
PORT 2
TLHLL
TAVLL
TLLPL
TLLAX
A7 - A0
TLLIV
TPLIV
TPLPH
TPLAZ TPXIZ
TPXIX
INSTR IN
TAVIV
A15 - A8
FIGURE 10-6: EXTERNAL PROGRAM MEMORY READ CYCLE
A7 - A0
A15 - A8
384 ILL F13.0
ALE
PSEN#
RD#
PORT 0
PORT 2
TLHLL
TAVLL
TLLDV
TLLWL
TLLAX
TRLAZ
TRLRH
TRLDV
A7-A0 FROM RI or DPL
DATA IN
TAVWL
TAVDV
P2[7:0] or A15-A8 FROM DPH
FIGURE 10-7: EXTERNAL DATA MEMORY READ CYCLE
TWHLH
TRHDZ
TRHDX
A7-A0 FROM PCL
INSTR IN
A15-A8 FROM PCH
384 ILL F14.0
©2001 Silicon Storage Technology, Inc.
53
S71181-03-000 9/01 384
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