DS2411 Maxim, DS2411 Datasheet - Page 7

• Manufacturer Part Number: DS2411
• Description: The DS2411 silicon serial number is a low-cost, electronic registration number with external power supply
• Manufacturer: Maxim

Figure 5. ROM FUNCTIONS FLOW CHART
Bus Master Tx ROM
Function Command
Serial Number
Family Code
Command?
Read ROM
DS2411 Tx
DS2411 Tx
DS2411 Tx
CRC Byte
(6 Bytes)
(1 Byte)
33h
Y
N
Presence Pulse
Reset Pulse ?
Bus Master Tx
N
N
N
Reset Pulse
DS2411 Tx
Y
DS2411 Tx Bit 63
DS2411 Tx Bit 63
DS2411 Tx Bit 0
DS2411 Tx Bit 0
DS2411 Tx Bit 1
DS2411 Tx Bit 1
Master Tx Bit 63
OD
Master Tx Bit 0
Master Tx Bit 1
Search ROM
Command?
Match?
Match?
Match?
7 of 12
Bit 63
Bit 0
Bit 1
F0h
Y
Y
Y
Y
N
OD = 0
N
Command?
OD Skip
OD = 1
3Ch
Y
N