ds2408st-r Maxim Integrated Products, Inc., ds2408st-r Datasheet - Page 13
ds2408st-r
Manufacturer Part Number
ds2408st-r
Description
Ds2408 1-wire 8-channel Addressable Switch
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS2408ST-R.pdf
(36 pages)
- Current page: 13 of 36
- Download datasheet (2Mb)
Figure 8-2. CONTROL FUNCTIONS FLOW CHART
(Subsequent Passes)
CRC16 of Command
From Figure 8
Pin Status (1
and 32 Bytes of PIO
Note 1)
See the command
description for the
exact timing of the
PIO pin sampling
and updating.
Note 2)
If the RSTZ pin is con-
figured as output, a
STRB\ is generated
during the first two bits
of this byte.
To Figure 8
CRC16 of 32 Bytes
of PIO Pin Status
DS2408 Samples
Bus Master RX
1
Bus Master RX
PIO Pin Status
PIO Pin Status
1
st
PIO Sample
Counter = 0
st
Part
Part
st
Pass)
Y
2)
1)
PIO Sample Counter
DS2408 Increments
DS2408 Samples
DS2408 Samples
Channel Access
Bus Master RX
PIO Pin Status
PIO Pin Status
PIO Pin Status
Sample Count
PIO Sample
Counter = 0
TX Reset?
Master
Read?
= 31?
F5h
Y
Y
N
N
2)
1)
1)
N
13 of 36
N
PIO Output Data Byte
Bus Master TX new
Confirmation AAh
DS2408 Samples
DS2408 Updates
inverted new PIO
Output Data Byte
Channel Access
Bus Master RX
Bus Master RX
PIO Pin Status
PIO Pin Status
PIO Pin Status
Bus Master TX
Transmission
TX Reset?
Master
Write?
OK?
5Ah
Y
Y
Y
N
1)
2)
1)
N
Bus Master
TX Reset?
RX “1”s
Master
From Figure 8
To Figure 8
3
Y
3
rd
rd
Part
Part
N
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