M58LR128KB855 datasheet(87/110 Pages) NUMONYX

87 / 110 page

M58LR128KT, M58LR128KB, M58LR256KT, M58LR256KB

Common Flash interface

87/111

Table 49.

Bank and erase block region information(1) (2)

The variable P is a pointer that is defined at CFI offset 015h.

Bank Regions. There are two Bank Regions, see Table 31, Table 34, Table 37 and Table 40.

Flash memory (top)

Flash memory (bottom)

Description

Offset

Data

Offset

Data

(P+23)h = 12Dh

02h

(P+23)h = 12Dh

02h

Number of Bank Regions within the device

Table 50.

Bank and erase block region 1 information

Flash memory (top)

Flash memory (bottom)

Description

Offset(1)

Data

Offset(1)

Data

(P+24)h = 12Eh

0Fh

(P+24)h = 12Eh

01h

Number of identical banks within Bank Region

(P+25)h = 12Fh

00h

(P+25)h = 12Fh

00h

(P+26)h = 130h

11h

(P+26)h = 130h

11h

Number of program or erase operations

allowed in Bank Region 1:

Bits 0-3: Number of simultaneous program

operations

Bits 4-7: Number of simultaneous erase

operations

(P+27)h = 131h

00h

(P+27)h = 131h

00h

Number of program or erase operations

allowed in other banks while a bank in same

region is programming

Bits 0-3: Number of simultaneous program

operations

Bits 4-7: Number of simultaneous erase

operations

(P+28)h = 132h

00h

(P+28)h = 132h

00h

Number of program or erase operations

allowed in other banks while a bank in this

region is erasing

Bits 0-3: Number of simultaneous program

operations

Bits 4-7: Number of simultaneous erase

operations

(P+29)h = 133h

01h

(P+29)h = 133h

02h

Types of erase block regions in Bank Region 1

n = number of erase block regions with

contiguous same-size erase blocks.

Symmetrically blocked banks have one

blocking region(2)

(P+2A)h = 134h

07h(3)

0Fh(4)

(P+2A)h = 134h

03h

Bank Region 1 Erase Block Type 1 Information

Bits 0-15: n+1 = number of identical-sized

erase blocks

Bits 16-31: n×256 = number of bytes in erase

block region

(P+2B)h = 135h

00h

(P+2B)h = 135h

00h

(P+2C)h = 136h

00h

(P+2C)h = 136h

80h

(P+2D)h = 137h

02h

(P+2D)h = 137h

00h

(P+2E)h = 138h

64h

(P+2E)h = 138h

64h

Bank Region 1 (Erase Block Type 1)

Minimum block erase cycles × 1000

(P+2F)h = 139h

00h

(P+2F)h = 139h

00h

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