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參數(shù)資料
| 型號(hào)： | DS1921 |
| 英文描述： | High-Resolution Thermochron iButton |
| 中文描述： | 高分辨率Thermochron iButton的 |
| 文件頁(yè)數(shù)： | 18/44頁(yè) |
| 文件大?。?/td> | 271K |
| 代理商： | DS1921 |
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DS1921H/Z
18 of 44
MEMORY/CONTROL FUNCTION FLOW CHART
Figure 10-1
Master TX Memory or
Control Fkt. Command
0FH
Write
Scratchpad
DS1921 sets Scratch-
pad Offset = (T4:T0)
and Clears (PF, AA)
Master TX Data Byte
to Scratchpad Offset
DS1921 sets (E4:E0)
= Scratchpad Offset
Master
TX Reset
Scratch-
pad Offset =
11111b
Master RX CRC16 of
Command, Address, Data
DS1921 Incre-
ments Scratch-
pad Offset
Master RX "1"s
Master
TX Reset
Master
TX Reset
Partial
Byte Written
PF = 1
AAH
Read
Scratchpad
Master RX Ending
Offset with Data
Status (E/S)
Master
TX Reset
Scratch-
pad Offset =
11111b
Master RX CRC16 of
Command, Address Data,
E/S Byte, and Data Starting
at the Target Address
DS1921 Incre-
ments Scratch-
pad Offset
Master RX "1"s
Master
TX Reset
DS1921 sets Scratch-
pad Offset = (T4:T0)
Master RX Data Byte
from Scratchpad Offset
From ROM Functions
Flow Chart (Figure 12)
To ROM Functions
Flow Chart (Figure 12)
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
Y
N
Y
N
Y
N
Y
DS1921 sets
EMCLR = 0
Master TX
TA1 (T7:T0), TA2 (T15:T8)
DS1921 sets
EMCLR = 0
Master RX
TA1 (T7:T0), TA2 (T15:T8)
To Figure 10
2
Part
N
From Figure 10
2
Part
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1921H-F5 | High-Resolution Thermochron iButton |
| DS1921Z-F5 | High-Resolution Thermochron iButton |
| DS1963L-F5 | NVRAM (Battery Based) |
| DS1963S | SHA iButton |
| DS1971 | 256-Bit EEPROM iButton |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1921G | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Thermochron iButton |
| DS1921G_11 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Logs Up to 2048 Consecutive Temperature Thermochron iButton |
| DS1921G_1109 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Thermochron iButton |
| DS1921G_12 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Thermochron iButton |
| DS1921G-F5 | 功能描述:iButton RoHS:否 存儲(chǔ)類型:SRAM 存儲(chǔ)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 |
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