參數(shù)資料
型號(hào): DS1922L
英文描述: Temperature Logger iButton with 8kB Datalog Memory
文件頁(yè)數(shù): 37/48頁(yè)
文件大小: 428K
代理商: DS1922L
DS1922L/DS1922T
37 of 48
Figure 11-1. ROM Funtions Flow Chart
From Figure 11
2
Part
To Memory Functions
Flow Chart (Figure 9)
Master TX Bit 0
Master TX Bit 63
Master TX Bit 1
RC = 1
DS1922 TX
CRC Byte
DS1922 TX
Serial Number
(6 Bytes)
DS1922 TX
Family Code
(1 Byte)
Bit 0
Match
Y
N
Bit 1
Match
Y
N
Bit 63
Match
Y
N
DS1922 TX Bit 0
DS1922 TX Bit 0
Master TX Bit 0
DS1922 TX Bit 1
DS1922 TX Bit 1
Master TX Bit 1
DS1922 TX Bit 63
DS1922 TX Bit 63
Master TX Bit 63
RC = 1
Bit 0
Match
Y
N
Bit 1
Match
Y
N
Bit 63
Match
Y
N
To Figure 11
2
Part
RC = 0
RC = 0
RC = 0
RC = 0
Y
Y
Y
Y
N
F0h
Search ROM
Command
N
55h
Match ROM
Command
N
ECh
Cond. Search
Command
N
33h
Read ROM
Command
To Figure 11
2
Part
From Memory Functions
Flow Chart (Figure 9)
Bus Master TX ROM
Function Command
DS1922 TX
Presence Pulse
OD
Reset Pulse
N
Y
OD = 0
Bus Master TX
Reset Pulse
From Figure 11, 2
nd
Part
Condition Met
Y
N
DS1922 TX Bit 0
DS1922 TX Bit 0
Master TX Bit 0
DS1922 TX Bit 1
DS1922 TX Bit 1
Master TX Bit 1
DS1922 TX Bit 63
DS1922 TX Bit 63
Master TX Bit 63
RC = 1
Bit 0
Match
Y
N
Bit 1
Match
Y
N
Bit 63
Match
Y
N
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參數(shù)描述
DS1922L_11 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Temperature Logger iButton with 8KB Data-Log Memory
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DS1922L-F5# 功能描述:iButton Temp Logger Ibutton w/8Kb Datalog Mem RoHS:否 存儲(chǔ)類(lèi)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(lèi)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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