參數(shù)資料
型號: ST24LW21M6TR
廠商: 意法半導(dǎo)體
英文描述: 1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY
中文描述: 1千位x8雙模式串行EEPROM的韋莎插頭
文件頁數(shù): 4/22頁
文件大小: 159K
代理商: ST24LW21M6TR
AI01501
Bit 7
VCC
tVPU
SCL
SDA
VCLK
Bit 6
Bit 7
VCC
SCL
SDA
VCLK
Bit 6
Bit 6
Bit 4
Bit 0
1
2
8
9
10
11
12
13
17
18
19
20
Bit 5
Figure 3. Transmit Only Mode Waveforms
Mode
RW
bit
ST24LC21B
ST24FC21
ST24FC21B
VCLK
ST24LW21
ST24FW21
WC
Bytes
Initial Sequence
Current Address
Read
’1’
X
X
1
START, Device Select, RW = ’1’
Random Address
Read
’0’
X
X
1
START, Device Select, RW = ’0’, Address,
’1’
X
X
reSTART, Device Select, RW = ’1’
Sequential Read
’1’
X
X
1 to 128
Similar to Current or Random Mode
Byte Write
’0’
V
IH
V
IH
1
START, Device Select, RW = ’0’
Page Write
’0’
V
IH
V
IH
8
START, Device Select, RW = ’0’
Note:
X = V
IH
or V
IL
Table 4. I
2
C Operating Modes
4/22
ST24LC21B, ST24LW21, ST24FC21, ST24FC21B, ST24FW21
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