DS2431
1024-Bit, 1-Wire EEPROM
BUS MASTER Tx
FROM MEMORY FUNCTIONS
FLOWCHART (FIGURE 7)
RESET PULSE
FROM FIGURE 9b
BUS MASTER Tx ROM
FUNCTION COMMAND
OD
RESET PULSE?
Y
DS2431 Tx
PRESENCE PULSE
N
OD = 0
33h
55h
F0h
CCh
READ ROM
N
MATCH ROM
N
SEARCH ROM
N
SKIP ROM
N
COMMAND?
Y
RC = 0
COMMAND?
Y
RC = 0
COMMAND?
Y
RC = 0
COMMAND?
Y
RC = 0
TO FIGURE 9b
DS2431 Tx
DS2431 Tx BIT 0
FAMILY CODE
(1 BYTE)
MASTER Tx BIT 0
DS2431 Tx BIT 0
MASTER Tx BIT 0
DS2431 Tx
SERIAL NUMBER
(6 BYTES)
BIT 0 MATCH?
Y
MASTER Tx BIT 1
BIT 1 MATCH?
Y
N
N
N
N
BIT 0 MATCH?
Y
DS2431 Tx BIT 1
DS2431 Tx BIT 1
MASTER Tx BIT 1
BIT 1 MATCH?
Y
DS2431 Tx BIT 63
DS2431 Tx
CRC BYTE
MASTER Tx BIT 63
DS2431 Tx BIT 63
MASTER Tx BIT 63
BIT 63 MATCH?
Y
RC = 1
N
N
BIT 63 MATCH?
Y
RC = 1
TO FIGURE 9b
FROM FIGURE 9b
TO MEMORY FUNCTIONS
FLOWCHART (FIGURE 7)
Figure 9a. ROM Functions Flowchart
14
Maxim Integrated
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相关代理商/技术参数
DS2431G-W0V+2T 制造商:Maxim Integrated Products 功能描述:1024-BIT 1-WIRE EEPROM - Tape and Reel
DS2431G-W0V+3T 制造商:Maxim Integrated Products 功能描述:1024-BIT 1-WIRE EEPROM - Tape and Reel
DS2431G-W0V-2T 制造商:Maxim Integrated Products 功能描述:
DS2431G-W0V-3T 制造商:Maxim Integrated Products 功能描述:
DS2431P 功能描述: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
DS2431P R 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1024-Bit, 1-Wire EEPROM
DS2431P T 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1024-Bit, 1-Wire EEPROM
DS2431P/R 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:1024-Bit 1-Wire EEPROM