ds2408st-r Maxim Integrated Products, Inc., ds2408st-r Datasheet - Page 12
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: 12 of 36
- Download datasheet (2Mb)
Figure 8-1. CONTROL FUNCTIONS FLOW CHART
N
TA1 (T7:T0), TA2 (T15:T8)
Bus Master TX Control
Function Command
Read PIO Reg.?
Bus Master TX
Address
< 90h?
F0h
ments Address
DS2408 Incre-
Bus Master
RX “1”s
Counter
Y
N
Y
Y
Bus Master RX Data Byte
N
Bus Master RX CRC16
of Command, Address,
from Register Address
DS2408 sets Register
Flow Chart (Figure 12)
12 of 36
Address = (T15:T0)
To ROM Functions
Note:
To read the three PIO state and latch
register bytes, the target address should
be 0088h. Returned data for a target
address <0088h is undefined.
Flow Chart (Figure 12)
From ROM Functions
TX Reset?
TX Reset?
Data Bytes
TX Reset?
N
Address
Address
= 88h?
Master
< 90h?
Master
Master
N
N
N
Y
Y
Y
Y
DS2408 Samples
PIO Pin Status
From Figure 8
To Figure 8
Note 1)
See the command
description for the
exact timing of the
PIO pin sampling.
2
2
nd
nd
Part
Part
1)
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