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EN25QH256 Datasheet, PDF (29/74 Pages) Eon Silicon Solution Inc. – 256 Megabit Serial Flash Memory with 4Kbyte Uniform Sector
EN25QH256
Figure 10.1 Read Information register Instruction Sequence under EQPI Mode
Table 7. Information Register Bit Locations
S7
HBL
(High
Bank
Latch bit)
1 = access
larger than
128Mb
0 = access
smaller than
128Mb
(default = 0)
volatile bit
Read Only
S6
S5
S4
Erase Fail
Flag
Program Fail
Flag
1 = indicate
Erase failed
0 = normal
Erase succeed
(default = 0)
1 = indicate
Program failed
0 = normal
Program succeed
(default = 0)
Reserved
bit
volatile bit
Read Only
volatile bit
Read Only
S3
Reserved
bit
S2
S1
S0
4 BYTE
OTP_LOCK
bit
1 = 4-byte
address mode
0 = 3-byte
address mode
(default = 0)
1 = OTP
sector is
protected
Reserved
bit
volatile bit non-volatile bit
Read Only Read Only
Note:
1. When executed the (RDIFR) (2Bh) command, the OTP_LOCK bit (S1) value is the same as
OTP_LOCK bit (S7 / in OTP mode) in table 6.
2. Default at Power-up is “0”
This Data Sheet may be revised by subsequent versions
29
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc.,
Rev. E, Issue Date: 2012/01/30
www.eonssi.com