參數(shù)資料
型號: ST24LW21
廠商: 意法半導(dǎo)體
英文描述: 1Kb (x8) Dual Mode Serial EEPROM for VESA Plug & Play(1Kb雙模式串行EEPROM)
中文描述: 1kB的(× 8)雙模式韋莎插頭串行EEPROM
文件頁數(shù): 6/21頁
文件大?。?/td> 178K
代理商: ST24LW21
AI01748
Switch Back to
Transmit-Only Mode
Memory Power On
Internal Address Pointer = 0
VCLK
YES
NO
NO
Send Data bit (MSB first) pointed
by the Address Pointer and
auto-increment pointed bit/byte
SCL
YES
NO
SDA Hi-Z
VCLK Internal Counter = 0
Start Internal 2 sec Timer
SCL
YES
Reset VCLK Internal Counter
and Reset Internal Timer
Valid
I
2
C access
(START + Device Select)
YES
VCLK
YES
Increment VCLK Counter
Counter = 128
or Timer > 2 sec
YES
I
2
C communication idle
waiting for a Device Select byte
Reset Counter and Timer
Send Acknowledge
Respond to the Incoming
I
2
C Command
Transition
State
(VESA 2)
Transmit-Only Mode
(DDC1)
I
2
C Mode
(DDC2B)
NO
NO
Figure 5. Error Recovery Mechanism Flowchart for the ST24FC21 and ST24FW21 products
6/21
ST24LC21B, ST24LW21, ST24FC21, ST24FW21
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