
DS2413: 1-Wire Dual Channel Addressable Switch
11 of 18
Figure 10-1. ROM Functions Flow Chart
From Figure 10
2
nd Part
To PIO Functions Flow
Chart (Figure 6)
Master TX Bit 0
Master TX Bit 63
Master TX Bit 1
Bit 63
Match ?
RC = 0
DS2413 TX Bit 0
Master TX Bit 0
DS2413 TX Bit 1
Master TX Bit 1
DS2413 TX Bit 63
Master TX Bit 63
RC = 1
Bit 1
Match ?
Bit 0
Match ?
Y
N
Y
N
Y
N
Bit 63
Match ?
RC = 0
RC = 1
Bit 1
Match ?
Bit 0
Match ?
Y
N
Y
N
Y
N
RC = 0
DS2413 TX
CRC Byte
DS2413 TX
Serial Number
(6 Bytes)
DS2413 TX
Family Code
(1 Byte)
RC = 0
To Figure 10
2
nd Part
N
F0h
Search ROM
Command ?
N
55h
Match ROM
Command ?
N
CCh
Skip ROM
Command ?
Y
N
33h
Read ROM
Command ?
To Figure 10
2
nd Part
From PIO Functions
Flow Chart (Figure 6)
Bus Master TX ROM
Function Command
DS2413 TX
Presence Pulse
OD
Reset Pulse ?
N
Y
OD = 0
Bus Master TX
Reset Pulse
From Figure 10, 2
nd Part