SST89E58RD データシートの表示（PDF） - Silicon Storage Technology

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SST89E58RD

FlashFlex51 MCU

Silicon Storage Technology 

FlashFlex51 MCU

SST89E52RD2/RD / SST89E54RD2/RD / SST89E58RD2/RD

SST89V52RD2/RD / SST89V54RD2/RD / SST89V58RD2/RD

Data Sheet

2FFH

Expanded

RAM

768 Bytes

FFH

(Indirect Addressing)

FFH

Upper 128 Bytes

80H

Internal RAM

80H

7FH

Lower 128 Bytes

Internal RAM

(Direct Addressing)

Special

Function

Registers

(SFRs)

000H

(Indirect Addressing)

(Indirect & Direct

00H

Addressing)

FFFFH

(Indirect Addressing) FFFFH

External

Data

Memory

(Indirect Addressing)

External

Data

Memory

2FFH

000H

Expanded RAM

0300H

EXTRAM = 0

0000H

EXTRAM = 1

1255 F05.0

FIGURE 3-4: Internal and External Data Memory Structure

©2006 Silicon Storage Technology, Inc.

15

S71255-05-000

5/06

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