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參數(shù)資料
| 型號： | DS2423X |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Memory IC:Other |
| 英文描述： | SPECIALTY MEMORY CIRCUIT, UUC |
| 封裝： | CHIP SCALE PKG |
| 文件頁數(shù)： | 5/25頁 |
| 文件大?。?/td> | 579K |
| 代理商： | DS2423X |
DS2422/DS2423
13 of 25
MEMORY FUNCTION EXAMPLE (DS2423)
Read page 14 and counts of Input A. Rewrite page 14 with 32 bytes. Read Memory + Counter, Write
Scratchpad, Copy Scratchpad.
MASTER MODE
DATA (LSB FIRST)
COMMENTS
TX
Reset
Reset pulse (480-960 s)
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
A5h
Issue “read memory + counter” command
TX
C0h
TA1, beginning offset=C0h
TX
01h
TA2, address=01C0h
RX
<32 data bytes>
Read 32 bytes of data
RX
<4 data bytes>
Read Counts of Input A
RX
<4 data bytes>
Read 32 Zero Bits
RX
<2 data bytes>
Read (inverted) CRC16
TX
Reset
Reset pulse
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
0Fh
Issue “write scratchpad” command
TX
C0h
TA1, beginning offset=C0h
TX
01h
TA2, address=01C0h
TX
<32 data bytes>
Read 32 bytes of data to scratchpad
RX
<2 data bytes>
Read (inverted) CRC16
TX
Reset
Reset pulse
RX
Presence
Presence pulse
TX
CCh
Issue “skip ROM” command
TX
5Ah
Issue “copy scratchpad” command
TX
C0h
TX
01h
TX
1Fh
TA1
TA2
AUTHORIZATION CODE
E/S
RX
<1 data byte>
Read Copy Scratchpad response
TX
Reset
Reset pulse
RX
Presence
Presence pulse, done
相關PDF資料 |
PDF描述 |
|---|---|
| DS2423 | 4K X 1 STANDARD SRAM, PDSO6 |
| DS2422 | 1K X 1 STANDARD SRAM, PDSO6 |
| DS2430AP | 256 X 1 1-WIRE SERIAL EEPROM, PDSO6 |
| DS2430A | 32 X 8 1-WIRE SERIAL EEPROM, PBCY3 |
| DS2430AX | 32 X 8 1-WIRE SERIAL EEPROM, UUC2 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS243 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| DS2430 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:256-Bit 1-Wire EEPROM |
| DS2430A | 功能描述:電可擦除可編程只讀存儲器 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| DS2430A R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:256-Bit 1-Wire EEPROM |
| DS2430A T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:256-Bit 1-Wire EEPROM |
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