This Data Sheet may be revised by subsequent versions

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

or modifications due to changes in technical specifications.

5

EN25P16

Rev. C, Issue Date: 2006/12/25

MEMORY ORGANIZATION

The memory is organized as:

2,097,152 bytes

Uniform Sector Architecture

Thirty two 64-Kbyte sectors

8192 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 2. Block Sector Architecture

Sector

SECTOR SIZE (KByte)

Address range

31

64

1F0000h – 1FFFFFh

30

64

1E0000h – 1EFFFFh

29

64

1D0000h – 1DFFFFh

28

64

1C0000h – 1CFFFFh

27

64

1B0000h – 1BFFFFh

26

64

1A0000h – 1AFFFFh

25

64

190000h – 19FFFFh

24

64

180000h – 18FFFFh

23

64

170000h – 17FFFFh

22

64

160000h – 16FFFFh

21

64

150000h – 15FFFFh

20

64

140000h – 14FFFFh

19

64

130000h – 13FFFFh

18

64

120000h – 12FFFFh

17

64

110000h – 11FFFFh

16

64

100000h – 10FFFFh

15

64

0F0000h – 0FFFFFh

14

64

0E0000h – 0EFFFFh

13

64

0D0000h – 0DFFFFh

12

64

0C0000h – 0CFFFFh

11

64

0B0000h – 0BFFFFh

10

64

0A0000h – 0AFFFFh

9

64

090000h – 09FFFFh

8

64

080000h – 08FFFFh

7

64

070000h – 07FFFFh

6

64

060000h – 06FFFFh

5

64

050000h – 05FFFFh

4

64

040000h – 04FFFFh

3

64

030000h – 03FFFFh

2

64

020000h – 02FFFFh

1

64

010000h – 01FFFFh

0

64

000000h – 00FFFFh