SST89E554 データシートの表示（PDF） - Silicon Storage Technology

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SST89E554

Flash flex 51 MCU

Silicon Storage Technology 

FlashFlex51 MCU

SST89E564 / SST89V564 / SST89E554 / SST89V554

Preliminary Specifications

RST

PSEN#

ALE/PROG#

EA#

P3[3]

P3[7:6], P2[7:6]

TSU

TES

TADS

TPROG

TDH

TCE

0001b

384 ILL F03.1

FIGURE 4-4: CHIP-ERASE

Erases both flash memory blocks. Security lock is ignored and the security bits are erased too.

RST

PSEN#

ALE/PROG#

EA#

P3[3]

P3[7:6], P2[7:6]

TSU

TES

TADS

TPROG

TDH

TBE

1101b

384 ILL F04.2

FIGURE 4-5: BLOCK-ERASE FOR SST89E564/SST89V564

Erases one of the flash memory blocks, if the security lock is not activated on that flash memory block.

©2001 Silicon Storage Technology, Inc.

29

S71181-03-000 9/01 384

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