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參數(shù)資料
| 型號： | DS1992 |
| 英文描述： | 1kb/4kb Memory iButton |
| 中文描述： | 1K位/4K位存儲器iButton® |
| 文件頁數(shù)： | 7/17頁 |
| 文件大小： | 223K |
| 代理商： | DS1992 |
DS1992/DS1993
Figure 6. MEMORY FUNCTIONS FLOW CHART
7of 7
Master TX Memory
Function Command
Y
DS199X sets Scratchpad
Offset = (T4:T0) and
Clears (PF, OF, AA)
DS199X sets (E4:E0)
= Scratchpad Offset
DS199X Increments
Scratchpad Offset
Bus Master TX
TA1 (T7:T0)
Bus Master TX
TA2 (T15:T8)
Master TX Data Byte
To Scratchpad Offset
Bus Master
TX Reset
N
0FH
Write
Scratchpad
N
Bus Master
TX Data
Y
N
PF = 1
N
Y
Bus Master
TX Reset
To Figure 6
Second Part
Bus Master RX
TA1 (T7:T0)
Bus Master RX
TA2 (T15:T8)
Master RX Ending
Offset with Data
Status (E/S)
DS199X Sets
Scratchpad
Offset=(T4:T0)
Bus Master
TX Reset
DS199X Increments
Scratchpad Offset
Y
Master RX Data
Byte From
Scratchpad Offset
N
N
Scratch-
pad Offset =
11111b
Y
Y
Scratchpad
AAH
Bus Master
RX "1"s
From Figure 6
Second Part
OF = 1
Scratch-
pad Offset =
11111b
N
Partial
Byte Written
N
Y
Y
Y
DS199X TX
Presence Pulse
(See Figure 9)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1993 | 1kb/4kb Memory iButton |
| DS1992L-F5 | 1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM |
| DS21349DK | T1/J1 Line Interface Unit Design Kit |
| DS2149DK | T1/J1 Line Interface Unit Design Kit |
| DS21349 | 3.3V T1/J1 Line Interface Unit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1992_11 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1Kb/4Kb Memory iButton 1024 bits of Read/Write Nonvolatile |
| DS1992L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| DS1992L+F5 | 制造商:Maxim Integrated Products 功能描述:IC MEMORY I BUTTON 1992 |
| DS1992L-E00 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:(135.97 k) |
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