Rainbow Electronics W25X64 User Manual

Page 15

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W25X16, W25X32, W25X64

Publication Release Date: June 28, 2006

- 15 - Preliminary - Revision B

STATUS REGISTER

(1)

W25X16 (16M-BIT) MEMORY PROTECTION

TB BP2 BP1 BP0 BLOCK(S)

ADDRESSES DENSITY

(KB)

PORTION

x 0 0 0 NONE

NONE

NONE

NONE

0

0

0

1

31

1F0000h - 1FFFFFh

512K-bit

Upper 1/32

0

0

1

0

30 and 31

1E0000h - 1FFFFFh

1M-bit

Upper 1/16

0

0

1

1

28 thru 31

1C0000h - 1FFFFFh

2M-bit

Upper 1/8

0

1

0

0

24 thru 31

180000h - 1FFFFFh

4M-bit

Upper 1/4

0

1

0

1

16 thru 31

100000h - 1FFFFFh

8M-bit

Upper 1/2

1

0

0

1

0

000000h - 00FFFFh

512K-bit

Lower 1/32

1

0

1

0

0 and 1

000000h - 01FFFFh

1M-bit

Lower 1/16

1

0

1

1

0 thru 3

000000h - 03FFFFh

2M-bit

Lower 1/8

1

1

0

0

0 thru 7

000000h - 07FFFFh

4M-bit

Lower 1/4

1

1

0

1

0 thru 15

000000h - 0FFFFFh

8M-bit

Lower 1/2

x

1

1

x

0 thru 31

000000h - 1FFFFFh

16M-bit

ALL

Note:

1. x = don’t care

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