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
文件頁數(shù): 27/44頁
文件大?。?/td> 271K
代理商: DS1921
DS1921H/Z
27 of 44
ROM FUNCTIONS FLOW CHART
Figure 13-1
To Memory Functions
Flow Chart (Figure 10)
DS1921 TX Bit 63
DS1921 TX Bit 63
Master TX Bit 63
DS1921 TX Bit 1
DS1921 TX Bit 1
Master TX Bit 1
DS1921 TX Bit 0
DS1921 TX Bit 0
Master TX Bit 0
Bit 63 Match
Bit 1 Match
Bit 0 Match
F0H
Search
ROM
N
Y
N
Y
Y
N
Y
N
DS1921 TX Bit 63
DS1921 TX Bit 63
Master TX Bit 63
DS1921 TX Bit 1
DS1921 TX Bit 1
Master TX Bit 1
DS1921 TX Bit 0
DS1921 TX Bit 0
Master TX Bit 0
Bit 63 Match
Bit 1 Match
Bit 0 Match
Cond. Met
ECH
Cond. Search
ROM
N
Y
N
Y
N
Y
Y
N
Y
N
Master TX Bit 63
Master TX Bit 1
Master TX Bit 0
Bit 63 Match
Bit 1 Match
Bit 0 Match
55H
Match
ROM
N
Y
N
Y
Y
N
Y
N
DS1921 TX
CRC Byte
DS1921 TX
Temp. Range
Code and
Serial Number
6 Bytes
DS1921 TX
Family Code
1 Byte
33H
Read
ROM
N
Y
From Memory Functions
Flow Chart (Figure 10)
Master TX ROM
Function Command
DS1921 TX
Presence Pulse
Master TX
Reset Pulse
Short
Reset Pulse
N
Y
OD = 0
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
2)
1)
To be transmitted or received at Overdrive speed if
OD = 1.
The Presence Pulse will be short if OD = 1.
2)
From Figure 13
2
Part
From Figure 13
2
Part
To Figure 13
2
Part
To Figure 13
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