Datasheet

DS2413: 1-Wire Dual Channel Addressable Switch
Figure 13. Noise Suppression Scheme
V
PUP
V
TH
V
HY
0V
t
REH
t
GL
t
REH
t
GL
Case A
Case C
Case B
COMMAND-SPECIFIC 1-Wire COMMUNICATION PROTOCOL—LEGEND
SYMBOL DESCRIPTION
RST
1-Wire Reset Pulse generated by master.
PD
1-Wire Presence Pulse generated by slave.
Select
Command and data to satisfy the ROM function protocol.
PIOR
Command "PIO Access Read".
PIOW
Command "PIO Access Write".
FF loop
Indefinite loop where the master reads FF bytes.
COMMAND-SPECIFIC 1-Wire COMMUNICATION PROTOCOL—COLOR CODES
Master to slave Slave to master
PIO ACCESS READ (CANNOT FAIL)
RST PD Select PIOR <PIO Status Byte>
PIO ACCESS WRITE (SUCCESS)
RST PD Select PIOW <PIO Output data> <PIO Output data> <AAh> <PIO Status Byte>
PIO ACCESS WRITE (INVALID DATA BYTE)
RST PD Select PIOW <PIO Output data> <invalid data byte> FF loop
Continues until master sends Reset Pulse
Loop until master sends Reset Pulse
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