JS28F256P33BFE datasheet(69/90 Pages) MICRON

69 / 90 page

Datasheet

Aug 2009

Order Number:320003-08

P33-65nm

Table 38: Partition Region 1 Information (Sheet 2 of 2)

Offset(1)

See table below

P = 10Ah

Description

Address

Bottom

Top

(Optional flash features and com m ands)

Len

Bot

Top

(P+2C)h (P+2C)h Partition Region 1 Erase Block Type 1 Information

136:

(P+2D)h (P+2D)h

bits 0–15 = y, y+1 = # identical-size erase blks in a partition

137:

(P+2E)h

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

138:

(P+2F)h

139:

(P+30)h

(P+30)h Partition 1 (Erase Block Type 1)

13A:

(P+31)h

Block erase cycles x 1000

13B:

(P+32)h

13C:

(P+33)h

13D:

Partition Region 1 (Erase Block Type 1) Programming Region Information

(P+34)h

bits 0–7 = x, 2^x = Programming Region aligned size (bytes)13E:

13E:

(P+35)h

bits 8–14 = Reserved; bit 15 = Legacy flash operation (ignore 0:7)

13F:

(P+36)h

bits 16–23 = y = Control Mode valid size in bytes

140:

(P+37)h

bits 24-31 = Reserved

141:

(P+38)h

bits 32-39 = z = Control Mode invalid size in bytes

142:

(P+39)h

bits 40-46 = Reserved; bit 47 = Legacy flash operation (ignore 23:16 & 39:32)

143:

(P+3A)h (P+3A)h Partition Region 1 Erase Block Type 2 Information

144:

(P+3B)h (P+3B)h

bits 0–15 = y, y+1 = # identical-size erase blks in a partition

145:

(P+3C)h (P+3C)h

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

146:

(P+3D)h (P+3D)h

147:

(P+3E)h

(P+3E)h Partition 1 (Erase Block Type 2)

148:

(P+3F)h

Block erase cycles x 1000

149:

(P+40)h

14A:

(P+41)h

14B:

Partition Region 1 (Erase Block Type 2) Programming Region Information

(P+42)h

bits 0–7 = x, 2^x = Programming Region aligned size (bytes)14C:

14C:

(P+43)h

bits 8–14 = Reserved; bit 15 = Legacy flash operation (ignore 0:7)

14D:

(P+44)h

bits 16–23 = y = Control Mode valid size in bytes

14E:

(P+45)h

bits 24-31 = Reserved

14F:

(P+46)h

bits 32-39 = z = Control Mode invalid size in bytes

150:

(P+47)h

bits 40-46 = Reserved; bit 47 = Legacy flash operation (ignore 23:16 & 39:32)

151:

Partition 1 (erase block Type 2) bits per cell; internal EDAC

bits 0–3 = bits per cell in erase region

bit 4 = internal EDAC used (1=yes, 0=no)

bits 5–7 = reserve for future use

Partition 1 (erase block Type 2) page mode and synchronous mode capabilities

defined in Table 10.

bit 0 = page-mode host reads permitted (1=yes, 0=no)

bit 1 = synchronous host reads permitted (1=yes, 0=no)

bit 2 = synchronous host w rites permitte

Partition 1 (erase block Type 1) page mode and synchronous mode capabilities

defined in Table 10.

bit 0 = page-mode host reads permitted (1=yes, 0=no)

bit 1 = synchronous host reads permitted (1=yes, 0=no)

bit 2 = synchronous host w rites permitted (1=yes, 0=no)

bits 3–7 = reserved for future use

Partition 1 (erase block Type 1) bits per cell; internal EDAC

bits 0–3 = bits per cell in erase region

bit 4 = internal EDAC used (1=yes, 0=no)

bits 5–7 = reserve for future use

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