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參數資料
| 型號： | DS1992L-F5 |
| 英文描述： | 1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM |
| 中文描述： | 1kbit/4kbit內存iButtonTM DS1994 4千位加時間內存iButtonTM |
| 文件頁數： | 9/17頁 |
| 文件大?。?/td> | 223K |
| 代理商： | DS1992L-F5 |
DS1992/DS1993
MEMORY FUNCTION EXAMPLES
Example: Write two data Bytes to memory locations 0026h and 0027h (the seventh and eighth Bytes of
page 1). Read entire memory.
9of 9
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
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
55h
26h
00h
07h
Reset
Presence
CCh
F0h
00h
00h
<128 Bytes (DS1992)>
<512 Bytes (DS1993)>
Reset
Presence
COMMENTS
Reset pulse (480 s to 960 s)
Presence pulse
Issue skip ROM command
Issue write scratchpad command
TA1, beginning offset = 6
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 = 6
Read TA2, address = 0026h
Read E/S, ending offset = 7, flags = 0
Read scratchpad data and verify
Reset pulse
Presence pulse
Issue skip ROM command
Issue copy scratchpad command
TA1
TA2 AUTHORIZATION CODE
E/S
Reset pulse
Presence pulse
Issue skip ROM command
Issue read memory command
TA1, beginning offset = 6
TA2, address = 0000h
RX
Read entire memory
TX
RX
Reset pulse
Presence pulse, done
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1992L-F5/E00 | 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS1992L-F5+ | 功能描述:iButton 1Kb/4Kb Memory iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS1992LP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| DS1992LR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| DS1992P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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