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| EN29GL256HL Datasheet, PDF (37/57 Pages) Eon Silicon Solution Inc. – 256 Megabit (32768K x 8-bit / 16384K x 16-bit) Flash Memory Page mode Flash Memory, CMOS 3.0 Volt-only | |||
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Table 13. EN29GL256 Command Definitions
EN29GL256H/L
Command
Sequence
Read
Reset
Manufacturer ID
Word
Byte
Device ID
Word
Byte
Sector Protect
Verify
Word
Byte
Program
Write to Buffer
Program Buffer to
Flash
Write to Buffer Abort
Reset
Chip Erase
Sector Erase
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Word
Byte
Erase/Program Suspend
Erase/Program Resume
Secured Silicon Sector Entry
Secured Silicon Sector Exit
CFI Query
Accelerated Program
Word
Byte
Bus Cycles
1 st
P
P
Cycle
Addr Data
2 nd
P
P
Cycle
Addr Data
3 rd
P
P
Cycle
Addr Data
4 th
P
P
Cycle
Addr Data
1 RA RD
5 th
P
P
Cycle
Addr Data
6 th
P
P
Cycle
Addr Data
1 XXX F0
555
4
AA
AAA
4
555
AAA
AA
555
4
AA
AAA
555
4
AA
AAA
2AA
55
555
2AA
555
55
2AA
55
555
2AA
55
555
555
90
AAA
555
AAA
90
555
90
AAA
555
A0
AAA
000
7F
100
1C
000
7F
200
1C
X01 227E X0E 2222 X0F 2201
X02 7E X1C 22 X1E 01
(SA) 00
X02
01
(SA) 00
X04
01
PA PD
555
2AA
6
AA
55 SA 25 SA WC PA PD WBL PD
AAA
555
1 SA 29
555
2AA
555
3
AA
55
F0
AAA
555
AAA
555
6
AA
AAA
2AA
55
555
555
80
AAA
555
2AA
AA
55
AAA
555
555
2AA
6 AAA AA 555 55
555
AAA 80
555
2AA
AAA AA 555 55
1 XXX B0
1 XXX 30
3 555 AA 2AA 55 555 88
4 555 AA 2AA 55 555 90 XX 00
1 55 98
AA
2 XX A0 PA PD
555
10
AAA
SA 30
Legend
X = Donât care
RA = Address of the memory to be read.
RD = Data read from location RA during read operation.
PA = Address of the memory location to be programmed. Addresses latch on the falling edge of the WE# or CE# pulse,
whichever happens later.
PD = Data to be programmed at location PA. Data latches on the rising edge of the WE# or CE# pulse, whichever happens first.
SA = Address of the sector to be verified (in autoselect mode) or erased. Address bits AmaxâA16 uniquely select any sector.
WBL = Write Buffer Location. The address must be within the same write buffer page as PA.
WC = Word Count is the number of write buffer locations to load minus 1 and maximum value is 31 for word and byte mode.
Note:
The data is 00h for an unprotected sector and 01h for a protected sector. This is same as PPB Status Read except that the
protect and unprotect statuses are inverted here
This Data Sheet may be revised by subsequent versions
37
or modifications due to changes in technical specifications.
©2013 Eon Silicon Solution, Inc.,
Rev. j, Issue Date: 2013/08/06
www.eonssi.com
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