JS28F512P30TFA datasheet(64/86 Pages) MICRON

64 / 86 page

P30-65nm

Datasheet

Sept 2012

Order Number: 208042-0

A.1.4

Numonyx-Specific Extended Query Table

Table 34: Device Geometry Definition

Offset

Length

Description

Add

Hex

Code

Value

27h

“n” such that device size = 2n in number of bytes

27:

See Table Below

28h

Flash device interface code assignment:

"n" such that n+1 specifies the bit field that represents the flash device width

capabilities as described in the table:

543

210

x64

x32

x16

28:

--01

x16

___

29:

--00

2Ah

“n” such that maximum number of bytes in write buffer = 2n

2A:

--0A

1024

2B:

--00

2Ch

Number of erase block regions (x) within device:

1. x = 0 means no erase blocking; the device erases in bulk

2. x specifies the number of device regions with one or more contiguous

same-size erase blocks.

3. Symmetrically blocked partitions have one blocking region

2C:

See Table Below

Erase Block Region 1 Information

bits 0-15 = y, y+1 = number of identical-size erase blocks

bits 16-31 = z, region erase block(s) size are z x 256 bytes

2D: ~30:

See Table Below

31h

Erase Block Region 2 Information

bits 0-15 = y, y+1 = number of identical-size erase blocks

bits 16-31 = z, region erase block(s) size are z x 256 bytes

31: ~34:

See Table Below

35h

Reserved for future erase block region information

35: ~38:

See Table Below

Address

512-Mbit

1-Gbit

2-Gbit

Top

Bottom

Symmetrical

Top

Bottom

Symmetrical Symmetrical

27:

--1A

--1B

28:

--01

29:

--00

2A:

--0A

2B:

--00

2C:

--02

--01

--02

--01

2D:

--FE

--03

--FF

--FE

--03

--FF

2E:

--01

--00

--01

--03

--00

--03

2F:

--00

--80

-00

--00

--80

-00

30:

--02

--00

--02

--00

--02

31:

--03

--FE

--00

--03

--FE

--00

32:

--00

--01

--00

--03

--00

33:

--80

--00

--80

--00

34:

--00

--02

--00

--02

--00

35:~38:

--00

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