Rainbow Electronics DS2411 - Manual (Page 7)

DS2411
7 of 11
Figure 5. ROM FUNCTIONS FLOW CHART
Y
N
N
DS2411 Tx
CRC Byte
DS2411 Tx
Serial Number
(6 Bytes)
DS2411 Tx
Family Code
(1 Byte)
Y
N 33h
Read ROM
Command?
Bit 63
Match?
DS2411 Tx Bit 0
DS2411 Tx Bit 0
Master Tx Bit 0
DS2411 Tx Bit 1
DS2411 Tx Bit 1
Master Tx Bit 1
DS2411 Tx Bit 63
DS2411 Tx Bit 63
Master Tx Bit 63
Bit 1
Match?
Bit 0
Match?
Y
Y
N
N F0h
Search ROM
Command?
Y
Bus Master Tx ROM
Function Command
DS2411 Tx
Presence Pulse
OD
Reset Pulse ?
N
Y
OD = 0
Bus Master Tx
Reset Pulse
3Ch
OD Skip
Command?
OD = 1
Y
N