MT28F320J3 Micron, MT28F320J3 Datasheet - Page 15

• Manufacturer Part Number: MT28F320J3
• Description: Q-FLASHTM MEMORY
• Manufacturer: Micron

CFI QUERY IDENTIFICATION STRING
the component supports the CFI specification. Addi-
NOTE: 1. BA = The beginning location of a block address (i.e., 010000h is block one’s (64K-word) beginning location in word
128Mb, 64Mb, 32Mb Q-Flash Memory
MT28F640J3_7.p65 – Rev. 6, Pub. 8/02
(BA+2)h
OFFSET
OFFSET LENGTH
The CFI query identification string verifies whether
10h
13h
15h
17h
19h
1
mode).
LENGTH
3
2
2
2
2
1
DESCRIPTION
Block Lock Status Register
BSR0 Block Lock Status
0 = Unlocked
1 = Locked
BSR1–7 Reserved for Future Use
DESCRIPTION
Query-unique ASCII string “QRY”
Primary vendor command set and control interface ID
code. 16-bit ID code for vendor-specified algorithms
Extended query table primary algorithm address
Alternate vendor command set and control interface ID
code; 0000h means no second vendor-specified
algorithm exists
Secondary algorithm extended query table address;
0000h means none exists
Block Status Register
CFI Identification
Table 8
Table 9
15
tionally, it indicates the specification version and sup-
ported vendor-specified command set(s).
Micron Technology, Inc., reserves the right to change products or specifications without notice.
128Mb, 64Mb, 32Mb
Q-FLASH MEMORY
ADDRESS
ADDRESS
(BA+2)h
(BA+2)h
(BA+2)h
1Ah
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1
CODE
HEX
51
52
59
01
00
31
00
00
00
00
00
©2002, Micron Technology, Inc.
(bit 0) 0 or 1
(bit 2–7) 0
00 or 01
VALUE
VALUE
Q
R
Y