Instruction Manual

DS2406
20 of 31
ROM FUNCTIONS FLOW CHART Figure 13
Spare
Vertical
33h
Read ROM
?
Command
R
Y
N
CCh
Skip ROM
?
Command
Y
N
S
Family Code
DS2406 TX
(1 Byte)
DS2406 TX
CRC Byte
Serial Number
DS2406 TX
(6 Byte)
55h
Match ROM
?
Command
Y
N
Bit 63
Match ?
Master TX Bit 0
Bit 1
Match ?
Bit 0
Match ?
Master TX Bit 1
Master TX Bit 63
F0h
Search ROM
?
Command
Y
N
Bit 0
Match ?
Master TX Bit 0
DS2406 TX Bit 0
DS2406 TX Bit 0
Master TX Bit 1
DS2406 TX Bit 1
DS2406 TX Bit 1
Bit 1
Match ?
Bit 63
Match ?
Master TX Bit 63
DS2406 TX Bit 63
DS2406 TX Bit 63
ECh
Conditional
?
Search
Y
N
Bit 0
Match ?
Master TX Bit 0
DS2406 TX Bit 0
DS2406 TX Bit 0
Master TX Bit 1
DS2406 TX Bit 1
DS2406 TX Bit 1
Bit 1
Match ?
Bit 63
Match ?
Master TX Bit 63
DS2406 TX Bit 63
DS2406 TX Bit 63
Condition
Fulfilled ?
DS2406 TX
Presence Pulse
Bus Master TX
Reset Pulse
Function Command
Bus Master TX ROM
Function Command
Bus Master TX Memory
R
(See Figure 7)