EN25B20 데이터 시트보기 (PDF) - Eon Silicon Solution Inc.
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EN25B20 Datasheet PDF : 32 Pages
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Table 4. Instruction Set
EN25B20
Instruction Name
Write Enable
Write Disable
Read Status
Register
Write Status
Register
Read Data
Fast Read
Page Program
Sector Erase
Bulk Erase
Deep Power-down
Release from Deep
Power-down, and
read Device ID
Release from Deep
Power-down
Manufacturer/
Device ID
Read Identification
Byte 1
Code
06h
04h
05h
01h
03h
0Bh
02h
D8h
C7h
B9h
ABh
90h
9Fh
Byte 2
Byte 3
Byte 4 Byte 5 Byte 6
n-Bytes
(S7-S0)(1)
S7-S0
A23-A16
A23-A16
A23-A16
A23-A16
A15-A8
A15-A8
A15-A8
A15-A8
continuous
(2)
A7-A0
A7-A0
A7-A0
A7-A0
(D7-D0)
dummy
D7-D0
(Next byte)
(D7-D0)
(Next byte)
continuous
(Next Byte)
continuous
continuous
(4)
dummy
dummy dummy (ID7-ID0)
dummy
dummy 00h
(M7-M0) (ID7-ID0)
(5)
(M7-M0) (ID15-ID8) (ID7-ID0)
Notes:
1. Data bytes are shifted with Most Significant Bit first. Byte fields with data in parenthesis “( )” indicate data being read from
the device on the DO pin.
2. The Status Register contents will repeat continuously until CS# terminate the instruction.
3. All sectors may use any address within the sector.
4. The Device ID will repeat continuously until CS# terminate the instruction.
5. The Manufacturer ID and Device ID bytes will repeat continuously until CS# terminate the instruction.
00h on Byte 4 starts with MID and alternate with DID, 01h on Byte 4 starts with DID and alternate with MID.
Table 5. Manufacturer and Device Identification
Boot Type
EN25B20(Bottom Boot)
EN25B20T(Top Boot)
OP Code
ABh
90h
9Fh
ABh
90h
9Fh
(M7-M0)
1Ch
1Ch
1Ch
1Ch
(ID15-ID0) (ID7-ID0)
31h
31h
2012h
41h
41h
2012h
This Data Sheet may be revised by subsequent versions
9
or modifications due to changes in technical specifications.
©2004 Eon Silicon Solution, Inc., www.essi.com.tw
Rev. C, Issue Date: 2006/12/26
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