JS28F256P33BFE datasheet(68/90 Pages) MICRON

68 / 90 page

P33-65nm

Datasheet

Aug 2009

Order Number: 320003-08

Table 37: Partition Region 1 Information (Sheet 1 of 2)

Offset(1)

See table below

P = 10Ah

Description

Address

Bottom

Top

(Optional flash features and commands)

Len

Bot

Top

(P+24)h

(P+24)h Data size of this Parition Region Information field

12E:

12E

(P+25)h

(P+25)h (# addressable locations, including this field)

12F

(P+26)h

(P+26)h Number of identical partitions w ithin the partition region

130:

(P+27)h

131:

(P+28)h

132:

(P+29)h

133:

(P+2A)h (P+2A)h

134:

(P+2B)h (P+2B)h

135:

Types of erase block regions in this Partition Region.

x = 0 = no erase blocking; the Partition Region erases in bulk

x = number of erase block regions w / contiguous same-size

erase blocks. Symmetrically blocked partitions have one

blocking region. Partition size = (Type 1 blocks)x(Type 1

block sizes) + (Type 2 blocks)x(Type 2 block sizes) +…+

(Type n blocks)x(Type n block sizes)

Number of program or erase operations allow ed in a partition

bits 0–3 = number of simultaneous Program operations

bits 4–7 = number of simultaneous Erase operations

Simultaneous program or erase operations allow ed in other partitions w hile a

partition in this region is in Program mode

bits 0–3 = number of simultaneous Program operations

bits 4–7 = number of simultaneous Erase operations

Simultaneous program or erase operations allow ed in other partitions w hile a

partition in this region is in Erase mode

bits 0–3 = number of simultaneous Program operations

bits 4–7 = number of simultaneous Erase operations

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