AK93C55CL 데이터 시트보기 (PDF) - Asahi Kasei Microdevices
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AK93C55CL Datasheet PDF : 16 Pages
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ASAHI KASEI
[AK93C45C/55C/65C]
Functional Description
The AK93C45C/55C/65C has 6 instructions such as READ, WRITE, PAGE WRITE, EWEN, EWDS
and WRAL. A valid instruction consists of a Start Bit (Logic"1"), the appropriate Op Code and the
desired memory Address location.
The CS pin must be brought low for a minimum of ‘tCS’ between each instruction when the
instruction is continuously executed.
Instruction
Start Op
Bit Code
READ
1 10
WRITE
1 01
PAGE WRITE 1 11
EWEN
1 00
EWDS
1 00
WRAL
1 00
Address
Data
Comments
A5-A0
D15-D0 Reads data stored in memory, at specified address.
A5-A0
D15-D0 Writes register.
A5-A0
D15-D0 Page Write register.
11XXXX
Write enable must precede all programming modes.
00XXXX
Disables all programming instructions.
010000
D15-D0 Writes all registers.
X: Don't care
table1. Instruction Set for the AK93C45C
Instruction
Start Op
Bit Code
READ
1 10
WRITE
1 01
PAGE WRITE 1 11
EWEN
1 00
EWDS
1 00
WRAL
1 00
Address
Data
Comments
XA6-A0
D15-D0 Reads data stored in memory, at specified address.
XA6-A0
D15-D0 Writes register.
XA6-A0
D15-D0 Page Write register.
11XXXXXX
Write enable must precede all programming modes.
00XXXXXX
Disables all programming instructions.
010000000 D15-D0 Writes all registers.
X: Don't care
table2. Instruction Set for the AK93C55C
Instruction
Start Op
Bit Code
READ
1 10
WRITE
1 01
PAGE WRITE 1 11
EWEN
1 00
EWDS
1 00
WRAL
1 00
Address
Data
Comments
A7-A0
D15-D0 Reads data stored in memory, at specified address.
A7-A0
D15-D0 Writes register.
A7-A0
D15-D0 Page Write register.
11XXXXXX
Write enable must precede all programming modes.
00XXXXXX
Disables all programming instructions.
010000000 D15-D0 Writes all registers.
X: Don't care
table3. Instruction Set for the AK93C65C
(Note) x The AK93C45C/55C/65C perceives the start bit in the logic"1" and also "01".
DAM06E-01
-4-
2005/10
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