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參數(shù)資料
| 型號(hào)： | 24LCS21A |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 1K 2.5V Dual Mode I 2 C Serial EEPROM |
| 中文描述： | 一千2.5V的雙模式的I 2 C串行EEPROM |
| 文件頁(yè)數(shù)： | 6/16頁(yè) |
| 文件大?。?/td> | 115K |
| 代理商： | 24LCS21A |
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24LCS21A
DS21161C-page 6
Preliminary
1996 Microchip Technology Inc.
FIGURE 3-3:
DISPLAY OPERATION PER DDC
STANDARD PROPOSED BY VESA
Communication
is idle
Is Vsync
present
No
Send EDID continuously
using Vsync as clock
tHigh to low
SCL
Yes
No
Yes
Stop sending EDID.
Switch to DDC2 mode.
Display has
optional
transit
Setor start timer
Change on
SCL, SDA or
VCLK lines
No
Yes
High - low
transiti
Reset Vsync counter = 0
No
Yes
Valid
received
DDC2 address
No
No
VCLK
cycle
Yes
Increment VCLK counter
(if appropriate)
Yes
Switch back to DDC1
mode.
DDC2 communication
idle. Display waiting for
address byte.
DDC2B
received
Yes
Receive DDC2B
command
Respond to DDC2B
command
Is display
Access.bus
TM
capable
Yes
Valiaddress
No
Yes
See Access.bus
specification to determine
correct procedure.
Yes
No
Yes
No
No
No
The 24LCS21A was designed to
comply to the portion of flowchart inside dash box
Display Power-on
or
DDC Circuit Powered
from +5 volts
Reset counter or timer
Counter=128 or
timer expired
High to low
transition on
SCL
No
Yes
Note 1:
The base flowchart is copyright
1993, 1994, 1995 Video Electronic Standard Association (VESA) from
VESA’s Display Data Channel (DDC) Standard Proposal ver. 2p rev. 0, used by permission of VESA.
2:
The dash box and text “The 24LCS21A and... inside dash box.” are added by Microchip Technology, Inc.
3:
Vsync signal is normally used to derive a signal for VCLK pin on the 24LCS21A.
相關(guān)PDF資料 |
PDF描述 |
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| 24LCS21 | 1K 2.5V Dual Mode I 2 C Serial EEPROM |
| 24LCS41A | 1K/4K 2.5V Dual Mode, Dual Port IIC Serial EEPROM(1K/4K位,2.5V雙模式,雙端口IIC串行EEPROM) |
| 24LCS41 | 1K/4K 2.5V Dual Mode, Dual Port IIC Serial EEPROM(1K/4K位,2.5V雙模式,雙端口IIC串行EEPROM) |
| 24LCS52 | Connectors |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24LCS21A/P | 功能描述:電可擦除可編程只讀存儲(chǔ)器 2.5V Dual Mode RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| 24LCS21A/S | 制造商:Microchip Technology Inc 功能描述:1K 2.5V DUAL MODE SERIAL EEPRO - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24LCS21A/SN | 功能描述:電可擦除可編程只讀存儲(chǔ)器 2.5V Dual Mode RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| 24LCS21A/W | 制造商:Microchip Technology Inc 功能描述:1K 2.5V DUAL MODE SERIAL EEPROM WAFER - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24LCS21A/WF | 制造商:Microchip Technology Inc 功能描述:1K 2.5V DUAL MODE SERIAL EEPRO - Gel-pak, waffle pack, wafer, diced wafer on film |
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