SST89V554RC-25-C-PI View Datasheet(PDF) - Silicon Storage Technology
Part Name
Description
MFG CO.
'SST89V554RC-25-C-PI' PDF : 62 Pages View PDF
FlashFlex51 MCU
SST89E564RD / SST89V564RD / SST89E554RC / SST89V554RC
Preliminary Specifications
4.1.7 Flash Memory Programming Timing Diagrams with External Host Mode
TSU
RST
TES
PSEN#
ALE/PROG#
EA#
P2[7:6] ,P3[7:6]
P3[5:4] ,P2[5:0] ,P1
P0
TRD
0000b
0030H
BFH
TRD
0000b
0031H
Device ID
Device ID = 91H for SST89E564RD
90H for SST89V564RD
99H for SST89E554RC
98H for SST89V554RC
FIGURE 4-2: READ-ID
Reads chip signature and identification registers at the addressed location.
555 ILL F05.1
RST
PSEN#
ALE/PROG#
EA#
P3[3]
P3[5:4], P2[5:0]
TSU
TES
TADS
TPROG
TDH
A5H/55H
TPSB
P3[7:6], P2[7:6]
1001b
555 ILL F06.1
FIGURE 4-3: SELECT-BLOCK1 / SELECT-BLOCK0
Enables the selection of either of the flash memory blocks prior to issuing a Byte-Verify, Block-Erase, Sector-
Erase, or Byte-Program. These commands apply to SST89E564RD/SST89V564RD only.
©2001 Silicon Storage Technology, Inc.
31
S71207-00-000 9/01 555
Share Link: 
