DS2406 Maxim, DS2406 Datasheet - Page 12

• 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 (continued) Figure 7
increments
Bus Master
DS2406
Address
Counter
RX "1"s
From Figure 7
2nd Part
TA1(T7:T0), TA2 (T15:T8)
Bus Master RX CRC16 of
Command, Address, Data
N
DS2406 sets Status
Address = (T15:T0)
Bus Master RX Data
from Status Memory
Bus Master TX
Status Mem.
Read Status
TX Reset ?
TX Reset ?
TX Reset ?
Vertical
Spare
Master
End of
Master
Master
AAh
?
?
Y
Y
N
N
N
Y
Presence Pulse
Y
Y
N
DS2406 TX
R
Bus Master
TX Data to
Channel F/F
12 of 32
S
Bus Master RX CRC16 of Command,
CRC16 of Data (subsequent passes)
Control, Data (1st pass)
*
Write
Y
Y
Y
Y
Bus Master TX Ch.-
Control Bytes 1, 2
CRC Byte Counter
Channel Info Byte
DS2406 clears
Bus Master RX
CRC Due * ?
TX Reset ?
TX Reset ?
TX Reset ?
TX Reset ?
R/W Toggle
Enabled ?
Enabled ?
Channel
N
N
Access
Access
Mode ?
Master
Master
CRC*
Master
Master
F5h
?
N
N
Y
Y
N
Y
Read
Y
N
N
N
* See Channel
DS2406 toggles
Control Byte 1
and Figure 7A
R/W Mode
Bus Master
from PIOs
Presence Pulse
Bus Master TX
RX Data
increments
CRC Byte
Reset Pulse
DS2406 TX
DS2406
Counter
*