MT352
Data Sheet
3.2.2 Examples of 2-Wire Bus Messages
KEY:
S
P
A
Start Condition
W
R
Write (=0)
Read (= 1)
Stop condition
Acknowledge
NA NOT Acknowledge
RADD Register Address
Italics MT352 output
Write operation - as a slave receiver:
S
DEVICE
W
A
RADD
(n)
A
A
DATA
A
DATA
A
P
ADDRESS
(reg n)
(reg n+1)
Read operation - MT352 as a slave transmitter:
S
DEVICE
R
A
DATA
DATA
A
DATA
NA
P
ADDRESS
(reg 0)
(reg 1)
(reg 2)
Write/read operation with repeated start - MT352 as a slave transmitter:
S
DEVICE
W
A
RADD
(n)
A
S
DEVICE
R
A
DATA
(reg n)
A
DATA
(reg n+1)
NA
P
ADDRESS
ADDRESS
3.2.3 Primary 2-Wire Bus Timing
Figure 6 - Primary 2-Wire Bus Timing
Where:
S = Start
Sr = Restart, i.e., start without stopping first.
P = Stop.
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Zarlink Semiconductor Inc.
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