参数资料
型号: DS2433+
厂商: Maxim Integrated
文件页数: 10/23页
文件大小: 0K
描述: IC EEPROM 4KBIT TO92-3
产品培训模块: 1-Wire Communications
Lead (SnPb) Finish for COTS
产品变化通告: Product Discontinuation 08/Dec/2011
标准包装: 1
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 4K (256 x 16)
接口: 1 线 串行
工作温度: -40°C ~ 85°C
封装/外壳: TO-226-3、TO-92-3 长体
供应商设备封装: TO-92-3
包装: 散装
产品目录页面: 1429 (CN2011-ZH PDF)

DS2433
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
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
55h
26h
00h
07h
<idle or strong pullup>
Reset
Presence
CCh
F0h
00h
00h
<512 bytes>
Reset
Presence
COMMENTS
Reset Pulse (480 ? s to 960 ? s)
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 AUTHORIZATION CODE
E/S
Wait 5ms
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
10 of 23
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