參數(shù)資料
型號(hào)： 29LV040C-55R
廠商： Macronix International Co., Ltd.
英文描述： 4M-BIT [512K x 8] CMOS SINGLE VOLTAGE 3V ONLY EQUAL SECTOR FLASH MEMORY
中文描述： 4分位[為512k × 8] CMOS單電壓3V只等于部門閃存
文件頁(yè)數(shù)： 45/52頁(yè)
文件大?。?/td> 499K
代理商： 29LV040C-55R
45
P/N:PM1149
MX29LV040C
REV. 1.3, APR. 24, 2006
QUERY COMMAND AND COMMON FLASH
INTERFACE (CFI) MODE ( for MX29LV040C)
MX29LV040C is capable of operating in the CFI mode.
This mode all the host system to determine the manu-
facturer of the device such as operating parameters and
configuration. Two commands are required in CFI mode.
Query command of CFI mode is placed first, then the
Reset command exits CFI mode. These are described in
Table 15.
TABLE 15-1. CFI mode: Identification Data Values
(All values in these tables are in hexadecimal)
Description
Address
(Byte Mode)
20
22
24
26
28
2A
2C
2E
30
32
34
Data
Query-unique ASCII string "QRY"
0051
0052
0059
0002
0000
0040
0000
0000
0000
0000
0000
Primary vendor command set and control interface ID code
Address for primary algorithm extended query table
Alternate vendor command set and control interface ID code (none)
Address for secondary algorithm extended query table (none)
TABLE 15-2. CFI Mode: System Interface Data Values
(All values in these tables are in hexadecimal)
Description
Address
(Byte Mode)
36
38
3A
3C
3E
40
42
44
46
48
4A
4C
Data
VCC supply, minimum (2.7V)
VCC supply, maximum (3.6V)
VPP supply, minimum (none)
VPP supply, maximum (none)
Typical timeout for single word/byte write (2
N
us)
Typical timeout for Minimum size buffer write (2
N
us)
Typical timeout for individual block erase (2
N
ms)
Typical timeout for full chip erase (2
N
ms)
Maximum timeout for single word/byte write times (2
N
X Typ)
Maximum timeout for buffer write times (2
N
X Typ)
Maximum timeout for individual block erase times (2
N
X Typ)
Maximum timeout for full chip erase times (not supported)
0027
0036
0000
0000
0004
0000
000A
0000
0005
0000
0004
0000
The single cycle Query command is valid only when the
device is in the Read mode, including Erase Suspend,
Standby mode, and Read ID mode; however, it is ignored
otherwise.
The Reset command exits from the CFI mode to the
Read mode, or Erase Suspend mode, or read ID mode.
The command is valid only when the device is in the CFI
mode.
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