DS28EC20: 20Kb 1-Wire EEPROM
Figure 9-1. ROM Functions Flowchart
From Memory Functions
Flow Chart (Figure 7)
Bus Master TX
Reset Pulse
OD
Reset Pulse?
N
OD = 0
From Figure 9, 2
nd
Part
Y
2
Part
Bus Master TX ROM
Function Command
33h
Read ROM
Command?
N
DS28EC20 TX
Presence Pulse
55h N
Match ROM
Command?
F0h
Search ROM
Command?
N
CCh
Skip ROM
Command?
To Figure 9,
nd
N
Y
RC = 0
DS28EC20 TX
Family Code
(1 Byte)
Y
RC = 0
Master TX Bit 0
Y
RC = 0
DS28EC20 TX Bit 0
DS28EC20 TX Bit 0
Master TX Bit 0
Y
RC = 0
Bit 0
Match?
Y
N
N
Bit 0
Match?
Y
DS28EC20 TX
Serial Number
(6 Bytes)
Master TX Bit 1
DS28EC20 TX Bit 1
DS28EC20 TX Bit 1
Master TX Bit 1
Bit 1
Match?
Y
N
N
Bit 1
Match?
Y
DS28EC20 TX
CRC Byte
Master TX Bit 63
DS28EC20 TX Bit 63
DS28EC20 TX Bit 63
Master TX Bit 63
Bit 63
Match?
N
N
Bit 63
Match?
2
Part
RC = 1
Y
RC = 1
Y
To Figure 9,
nd
2
Part
To Memory Functions
Flow Chart (Figure 7)
19 of 27
From Figure 9,
nd
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相关代理商/技术参数
DS28EC20-224-BB+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
DS28EC20P 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:DS28EC20_1203
DS28EC20P T 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:DS28EC20_1203
DS28EC20P+ 功能描述:电可擦除可编程只读存储器 20Kb 1-Wire 电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
DS28EC20P+T 功能描述:电可擦除可编程只读存储器 20Kb 1-Wire 电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
DS28EC20P-224-BB+T 制造商:Maxim Integrated Products 功能描述:- Tape and Reel
DS28EC20Q-A5A-5A+T 制造商:Maxim Integrated Products 功能描述:20KB 1-WIRE EEPROM - Tape and Reel
DS28EC20Q-A5A-5A+W 制造商:Maxim Integrated Products 功能描述:20KB 1-WIRE EEPROM - Rail/Tube