FW912 Micron Semiconductor Products, FW912 Datasheet - Page 49

• Manufacturer Part Number: FW912
• Description: Flash Memory Technology
• Manufacturer: Micron Semiconductor Products

4 Meg x 16 Async/Page/Burst Flash Memory
MT28F642D18_3.p65 – Rev. 3, Pub. 8/02
OFFSET
4A, 4B
39, 3A
37, 38
43, 44
48, 49
3B
3C
3D
4C
4D
3E
3F
40
41
42
45
46
47
4E
4F
0020–0000
0000–0001
0050, 0052
0003, 0000
0080, 0000
0003, 0003
DATA
00C0
0049
0030
0031
00E6
0003
0000
0000
0001
0018
0001
0003
0072
0002
0000
Top boot block device …..of 8KB
Bottom boot block device …..of 64KB
“PR”
Major version number, ASCII
Minor version number, ASCII
Optional Feature and Command Support
Bit 0 Chip erase supported no = 0
Bit 1 Suspend erase supported = yes = 1
Bit 2 Suspend program supported = yes = 1
Bit 3 Chip lock/unlock supported = no = 0
Bit 4 Queued erase supported = no = 0
Bit 5 Instant individual block locking supported = yes = 1
Bit 6 Protection bits supported = yes = 1
Bit 7 Page mode read supported = yes = 1
Bit 8 Synchronous read supported = yes = 1
Bit 9 Simultaneous operation supported = yes = 1
Program supported after erase suspend = yes
Bit 0 block lock status active = yes, Bit 1 block lock down active = yes
V
Number of protection register files in JEDEC ID space
0000 = Not used
0001 = 4% block split
0002 = 12% block split
0003 = 25% block split
0004 = 50% block split
Burst Mode Type
0000 = No burst mode
00x1 = 4 words MAX
00x2 = 8 words MAX
00x3 = 16 words MAX
001x = Linear burst, and/or
002x = Interleaved burst, and/or
003x = Continuous burst
Page Mode Type
0000 = No page mode
0001 = 4-word page
0002 = 8-word page
0003 = 16-word page
0004 = 32-word page
Not used
“I”
V
Lock bytes LOW address, lock bytes HIGH address
2
Background Operation
n
CC
PP
factory programmed bytes, 2
supply optimum, 00 = not supported, D7–D4 Hex V, D3–D0 100mV
supply optimum, 00 = not supported, D7–D4 BCD V, D3–D0 100mV
Table 15 (continued)
ASYNC/PAGE/BURST FLASH MEMORY
CFI
49
n
user programmable bytes
DESCRIPTION
Micron Technology, Inc., reserves the right to change products or specifications without notice.
4 MEG x 16
©2002, Micron Technology, Inc.
ADVANCE