EN25 데이터 시트보기 (PDF) - Eon Silicon Solution Inc.

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EN25

512 Kbit Serial Flash Memory with Boot and Parameter Sectors

Eon Silicon Solution Inc. 

EN25B05

MEMORY ORGANIZATION

The memory is organized as:

z 65,536 bytes

z Flexible Sector Architecture

Two 4-Kbyte, one 8-Kbyte, one 16-Kbyte,one 32-Kbyte sectors

z Bottom or top boot configurations

z 256 pages (256 bytes each)

Each page can be individually programmed (bits are programmed from 1 to 0). The device is Sector or

Bulk Erasable but not Page Erasable.

Table 2a. Bottom Boot Block Sector Architecture

Sector

4

3

2

1

0

SECTOR SIZE (KByte)

32

16

8

4

4

Address range

08000h – 0FFFFh

04000h – 07FFFh

02000h – 03FFFh

01000h – 01FFFh

00000h – 00FFFh

Table 2b. Top Boot Block Sector Architecture (Special order)

Sector

4

3

2

1

0

SECTOR SIZE (KByte)

4

4

8

16

32

Address range

0F000h – 0FFFFh

0E000h – 0EFFFh

0C000h – 0DFFFh

08000h – 0BFFFh

00000h – 07FFFh

This Data Sheet may be revised by subsequent versions

4

or modifications due to changes in technical specifications.

©2004 Eon Silicon Solution, Inc., www.essi.com.tw

Rev. B, Issue Date: 2006/12/26

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