參數(shù)資料
型號： AK93C45ANF
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 1K / 2K / 4K / 8KBIT SERIAL CMOS EEPROM
中文描述： 每1000 / 2K / 4K的/ 8KBIT串行CMOS EEPROM的
文件頁數(shù)： 5/15頁
文件大?。?/td> 172K
代理商： AK93C45ANF
ASAHI KASEI
[AK93C45A/55A/65A/75A]
DAM01E-01
1999/10
- 5 -
Functional Description
The AK93C45A/55A/65A/75A has 4 instructions such as READ, WRITE, EWEN and EWDS. 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 250ns (Tcs) between each instruction when the instruction
is continuously executed.
Instruction
Start
Bit
1
1
1
1
1
Op
Code
10
01
00
00
00
Address
Data
Comments
READ
WRITE
EWEN
EWDS
WRAL
A5-A0
A5-A0
11XXXX
00XXXX
01XXXX
D15-D0
D15-D0
Reads data stored in memory, at specified address.
Writes register.
Write enable must precede all programming modes.
Disables all programming instructions.
Writes all registers.
D15-D0
X: Don't care
table 1. Instruction Set for the AK93C45A
Instruction
Start
Bit
1
1
1
1
1
Op
Code
10
01
00
00
00
Address
Data
Comments
READ
WRITE
EWEN
EWDS
WRAL
X A6-A0
X A6-A0
11XXXXXX
00XXXXXX
01XXXXXX
D15-D0
D15-D0
Reads data stored in memory, at specified address.
Writes register.
Write enable must precede all programming modes.
Disables all programming instructions.
Writes all registers.
D15-D0
X: Don't care
table 2. Instruction Set for the AK93C55A
Instruction
Start
Bit
1
1
1
1
1
Op
Code
10
01
00
00
00
Address
Data
Comments
READ
WRITE
EWEN
EWDS
WRAL
A7-A0
A7-A0
11XXXXXX
00XXXXXX
01XXXXXX
D15-D0
D15-D0
Reads data stored in memory, at specified address.
Writes register.
Write enable must precede all programming modes.
Disables all programming instructions.
Writes all registers.
D15-D0
X: Don't care
table 3. Instruction Set for the AK93C65A
Instruction
Start
Bit
1
1
1
1
1
Op
Code
10
01
00
00
00
Address
Data
Comments
READ
WRITE
EWEN
EWDS
WRAL
XA8-A0
XA8-A0
11XXXXXXXX
00XXXXXXXX
01XXXXXXXX D15-D0
D15-D0
D15-D0
Reads data stored in memory, at specified address.
Writes register.
Write enable must precede all programming modes.
Disables all programming instructions.
Writes all registers.
X: Don't care
table 4. Instruction Set for the AK93C75A
(Note)
The WRAL instruction are used for factory function test only.
User can't use the WRAL instruction.
The AK93C45A/55A/65A/75A perceives the start bit in the logic"1" and also "01".
相關PDF資料
PDF描述
AK93C45AV 1K / 2K / 4K / 8KBIT SERIAL CMOS EEPROM
AK93C55A Circular Connector; No. of Contacts:66; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:18; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:18-66 RoHS Compliant: No
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