DS2406 Maxim, DS2406 Datasheet - Page 10

• Manufacturer Part Number: DS2406
• Description: The DS2406 Dual Addressable Switch Plus Memory offers a simple way to remotely control a pair of open drain transistors and to monitor the logic level at each transistor's output via the 1-Wire® bus for closed loop control
• Manufacturer: Maxim

Memory Function Flow Chart Figure 7
increments
DS2406
Bus Master
Address
Counter
RX "1"s
Legend:
Decision made
Decision made
by Bus Master
by DS2406
TA1(T7:T0), TA2 (T15:T8)
Bus Master TX Memory
Bus Master RX CRC16 of
Command, Address, Data
N
DS2406 sets Memory
Function Command
Bus Master RX Data
Address = (T15:T0)
from Data Memory
Bus Master TX
Read Memory
TX Reset ?
TX Reset ?
TX Reset ?
Data Mem.
Vertical
Spare
Master
End of
Master
Master
F0h
?
?
Y
N
N
Y
N
Y
Presence Pulse
Y
Y
N
DS2406 TX
Bus Master TX
Bus Master TX
Reset Pulse
Reset Pulse
10 of 32
S
Bus Master RX CRC16 of Command,
CRC16 of Redir. Byte (subs. passes)
Address, Redir. Byte (1st pass)
TA1(T7:T0), TA2 (T15:T8)
Bus Master RX CRC16 of
Preceding Page of Data
DS2406 sets Memory
Y
N
Y
Bus Master RX Data
N
Address = (T15:T0)
from Data Memory
Redirection Byte
Bus Master RX
Bus Master TX
Extended Rd.
TX Reset ?
TX Reset ?
Data Mem.
N
of Page ?
Correct ?
Correct ?
Memory
Y
Y
Master
Master
End of
CRC
CRC
End
A5h
?
?
Y
Y
N
Y
N
N
N
increments
DS2406
Address
R
Bus Master
Counter
RX "1"s
increments
To Figure 7
2nd Part
DS2406
Address
Counter