參數(shù)資料
型號(hào): NAND512R4A2C
廠商: 意法半導(dǎo)體
英文描述: 512 Mbit, 528 Byte/264 Word Page, 1.8V/3V, NAND Flash Memories
中文描述: 512兆位,528 Byte/264字的頁(yè)面,1.8V/3V,NAND閃存芯片
文件頁(yè)數(shù): 20/51頁(yè)
文件大小: 517K
代理商: NAND512R4A2C
NAND512-A2C
Device operations
27/51
6.8
Read Electronic Signature
The device contains a Manufacturer Code and Device Code. To read these codes two steps
are required:
1.
first use one Bus Write cycle to issue the Read Electronic Signature command (90h),
followed by an address input of 00h.
2.
then perform two Bus Read operations – the first will read the Manufacturer Code and
the second, the Device Code. Further Bus Read operations will be ignored.
Refer to Table 12: Electronic Signature, for information on the addresses.
Table 11.
Status Register bits
Bit
Name
Logic Level
Definition
SR7
Write Protection
'1'
Not Protected
'0'
Protected
SR6
Program/ Erase/ Read
Controller
'1'
P/E/R C inactive, device ready
'0'
P/E/R C active, device busy
SR5, SR4,
SR3, SR2,
SR1
Reserved
Don’t Care
SR0
Generic Error
‘1’
Error – operation failed
‘0’
No Error – operation successful
Table 12.
Electronic Signature
Part Number
Manufacturer Code
Device code
NAND512R3A2C
20h
36h
NAND512W3A2C
76h
NAND512R4A2C
0020h
0046h
NAND512W4A2C
0056h
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