DS2413: 1-Wire Dual Channel Addressable Switch
Figure 10-1. ROM Functions Flow Chart
Bus Master TX
Reset Pulse
From PIO Functions
Flow Chart (Figure 6)
OD
N
OD = 0
Reset Pulse ?
Y
Bus Master TX ROM
DS2413 TX
Function Command
Presence Pulse
To Figure 10
2nd Part
33h
55h
F0h
CCh
N
N
N
Read ROM
Command ?
Match ROM
Command ?
Search ROM
Command ?
Skip ROM
Command ?
N
Y
Y
Y
Y
RC = 0
RC = 0
RC = 0
RC = 0
DS2413 TX Bit 0
DS2413 TX Bit 0
Master TX Bit 0
DS2413 TX
Family Code
(1 Byte)
Master TX Bit 0
N
N
N
N
Bit 0
Bit 0
Match ?
Match ?
Y
Y
DS2413 TX Bit 1
DS2413 TX Bit 1
Master TX Bit 1
DS2413 TX
Serial Number
(6 Bytes)
Master TX Bit 1
Bit 1
Bit 1
Match ?
Match ?
Y
Y
DS2413 TX Bit 63
DS2413 TX Bit 63
Master TX Bit 63
DS2413 TX
CRC Byte
Master TX Bit 63
N
N
Bit 63
Bit 63
Match ?
Match ?
Y
Y
To Figure 10
2nd Part
RC = 1
RC = 1
From Figure 10
2nd Part
To PIO Functions Flow
Chart (Figure 6)
11 of 17
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
