參數(shù)資料
型號: M34E02-FDW1T
廠商: 意法半導體
英文描述: 2 Kbit Serial IC Bus EEPROM Serial Presence Detect for DDR2 DIMMs
中文描述: 2千位串行總線的EEPROM芯片串行存在檢測的DDR2內(nèi)存
文件頁數(shù): 6/23頁
文件大?。?/td> 144K
代理商: M34E02-FDW1T
M34E02
6/23
Figure 5. I
2
C Bus Protocol
Table 2. Device Select Code
Note: 1. The most significant bit, b7, is sent first.
2. E0, E1 and E2 are compared against the respective external pins on the memory device.
Chip Enable Signals
Device Type Identifier
Chip Enable Bits
RW
b7
1
b6
b5
b4
b3
b2
b1
b0
Memory Area Select Code
(two arrays)
2
E2
E1
E0
1
0
1
0
E2
E1
E0
RW
Set Write Protection (SWP)
V
SS
V
SS
V
HV
0
1
1
0
0
0
1
0
Clear Write Protection (CWP)
V
SS
V
CC
V
HV
0
1
1
0
Permanently Set Write
Protection (PSWP)
2
E2
E1
E0
E2
E1
E0
0
Read SWP
V
SS
V
SS
V
HV
0
0
1
1
Read CWP
V
SS
V
CC
V
HV
0
1
1
1
Read PSWP
2
E2
E1
E0
E2
E1
E0
1
SCL
SDA
SCL
SDA
SDA
START
Condition
SDA
Input
SDA
Change
AI00792B
STOP
Condition
1
2
3
7
8
9
MSB
ACK
START
Condition
SCL
1
2
3
7
8
9
MSB
ACK
STOP
Condition
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