SST89E564-40-C-PI View Datasheet(PDF) - Silicon Storage Technology

Part Name

Description

MFG CO.

SST89E564-40-C-PI

Flash flex 51 MCU

Silicon Storage Technology 

FlashFlex51 MCU

SST89E564 / SST89V564 / SST89E554 / SST89V554

Preliminary Specifications

TABLE 8-2: SECURITY LOCK ACCESS TABLE

Level

SFST[7:5]

External Host

IAP

MOVC MOVC

Source Target Byte-Verify Byte-Verify Allowed Allowed

Address Address1 Allowed2

Allowed on 564 on 554

Block 0/1

N

Block 0/1

4

111b

(Hard Lock on both blocks)

External

N/A

Block 0/1

N

External

External

N/A

N

Y

Y

N

N

N

N

N

N

N

N

N

011b/101b

(Hard Lock on both blocks)

Block 0/1

N

Block 0/1

External

N

Block 0/1

N

External

External

N/A

N

Y

Y

N

N

Y

N

N

N

N

Y

Y

Block 0

N

N

Y

Y

Block 0 Block 1

N

N

N

N

External

N/A

N

N

Y

001b/110b

Block 0

N

(Block 0 = SoftLock, Block 1 = Hard Lock) Block 1 Block 1

N

Y

Y

Y

N

Y

Y

External

N/A

N

N

Y

3

Block 0/1

N

N

N

N

External

External

N/A

N

Y

Y

Block 0

N

N

Y

Y

Block 0 Block 1

N

Y

Y

Y

External

N/A

N

N

Y

010b

(SoftLock on both blocks)

Block 0

N

Block 1 Block 1

N

Y

Y

Y

N

Y

Y

External

N/A

N

N

Y

Block 0/1

N

External

External

N/A

N

N

N

N

Y

Y

Block 0

Y

N

Y

Y

Block 0 Block 1

Y

Y

Y

Y

External

N/A

N

N

Y

2

100b

Block 0

Y

(SoftLock on both blocks)

Block 1 Block 1

Y

Y

Y

Y

N

Y

Y

External

N/A

N

N

Y

Block 0/1

Y

External

External

N/A

N

N

N

N

Y

Y

Block 0

Y

N

Y

Y

Block 0 Block 1

Y

Y

Y

Y

External

N/A

N

N

Y

1

000b

(Unlock)

Block 0

Y

Block 1 Block 1

Y

Y

Y

Y

N

Y

Y

External

N/A

N

N

Y

Block 0/1

Y

External

External

N/A

Y

N

Y

N

Y

Y

1. Location of MOVC instruction

2. External Host Byte-Verify access does not depend on a source address.

T8-2.1 384

©2001 Silicon Storage Technology, Inc.

42

S71181-03-000 9/01 384

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