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參數(shù)資料
| 型號： | DS2423P |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4kbit 1-Wire RAM with Counter |
| 中文描述： | 4kbit的1 - Wire與反內存 |
| 文件頁數(shù)： | 13/25頁 |
| 文件大?。?/td> | 331K |
| 代理商： | DS2423P |
DS2423
13 of 25
MEMORY FUNCTION EXAMPLE
Read page 14 and counts of Input A. Rewrite page 14 with 32 bytes. Read Memory + Counter, Write
Scratchpad, Copy Scratchpad.
MASTER MODE
TX
RX
TX
TX
TX
TX
RX
RX
RX
RX
TX
RX
TX
TX
TX
TX
TX
RX
TX
RX
TX
TX
TX
TX
TX
RX
TX
RX
DATA (LSB FIRST)
Reset
Presence
CCh
A5h
C0h
01h
<32 data bytes>
<4 data bytes>
<4 data bytes>
<2 data bytes>
Reset
Presence
CCh
0Fh
C0h
01h
<32 data bytes>
<2 data bytes>
Reset
Presence
CCh
5Ah
C0h
01h
1Fh
<1 data byte>
Reset
Presence
COMMENTS
Reset pulse (480-960 μs)
Presence pulse
Issue “skip ROM” command
Issue “read memory + counter” command
TA1, beginning offset=C0h
TA2, address=01C0h
Read 32 bytes of data
Read Counts of Input A
Read 32 Zero Bits
Read (inverted) CRC16
Reset pulse
Presence pulse
Issue “skip ROM” command
Issue “write scratchpad” command
TA1, beginning offset=C0h
TA2, address=01C0h
Read 32 bytes of data to scratchpad
Read (inverted) CRC16
Reset pulse
Presence pulse
Issue “skip ROM” command
Issue “copy scratchpad” command
TA1
TA2
AUTHORIZATION CODE
E/S
Read Copy Scratchpad response
Reset pulse
Presence pulse, done
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS2423P/R | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:4kbit 1-Wire RAM with Counter |
| DS2423P/T | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:4kbit 1-Wire RAM with Counter |
| DS2423P/T&R | 功能描述:靜態(tài)隨機存取存儲器 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| DS2423P+ | 功能描述:靜態(tài)隨機存取存儲器 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| DS2423P+T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:DSC 功能描述: |
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