SST89E554 데이터 시트보기 (PDF) - Silicon Storage Technology

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SST89E554

Flash flex 51 MCU

Silicon Storage Technology 

FlashFlex51 MCU

SST89E564 / SST89V564 / SST89E554 / SST89V554

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 = 93H for SST89E564

92H for SST89V564

9BH for SST89E554

9AH for SST89V554

FIGURE 4-2: READ-ID

Reads chip signature and identification registers at the addressed location.

384 ILL F02.3

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

384 ILL F56.1

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 SST89E564/SST89V564 only.

©2001 Silicon Storage Technology, Inc.

28

S71181-03-000 9/01 384

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