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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)： | 12/25頁 |
| 文件大小： | 331K |
| 代理商： | DS2423P |
DS2423
12 of 25
MEMORY FUNCTION EXAMPLE
Example: Write two data bytes to memory location 0026 and 0027. Read entire memory.
MASTER MODE
TX
RX
TX
TX
TX
TX
TX
TX
RX
TX
TX
RX
RX
RX
RX
TX
RX
TX
TX
TX
TX
TX
TX
RX
TX
TX
TX
TX
RX
TX
RX
DATA (LSB FIRST)
Reset
Presence
CCh
0Fh
26h
00h
<2 data bytes>
Reset
Presence
CCh
AAh
26h
00h
07h
<2 data bytes>
Reset
Presence
CCh
5Ah
26h
00h
07h
Reset
Presence
CCh
F0h
00h
00h
<512 bytes>
Reset
Presence
COMMENTS
Reset pulse (480-960 μs)
Presence pulse
Issue “skip ROM” command
Issue “write scratchpad” command
TA1, beginning offset=26h
TA2, address=0026h
Write 2 bytes of data to scratchpad
Reset pulse
Presence pulse
Issue “skip ROM” command
Issue “read scratchpad” command
Read TA1, beginning offset=26h
Read TA2, address=0026h
Read E/S, ending offset=7h, flags=0h
Read scratchpad data and verify
Reset pulse
Presence pulse
Issue “skip ROM” command
Issue “copy scratchpad” command
TA1
TA2
E/S
Reset pulse
Presence pulse
Issue “skip ROM” command
Issue “read memory” command
TA1, beginning offset=0
TA2, address=0000h
Read entire memory
Reset pulse
Presence pulse, done
AUTHORIZATION CODE
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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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