Datasheet

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ReadCycle:Repeated,RegisterAddressmh
(2)
I C
2
Read-AddressingByte
Register(Address=mh)Content
START
I C
2
SlaveAddressS 1 AA
DataByte1/2
(HIGHByte)
DataByte2/2
(LOWByte)
P
1
8 8 NACK
7
I C
2
SlaveAddressS 1 AA
DataByte1/2
(HIGHByte)
DataByte2/2
(LOWByte)
P
1
8 8 NACK
7
I C
2
SlaveAddressS 1 AA
DataByte1/2
(HIGHByte)
DataByte2/2
(LOWByte)
P
8 8 NACK
7
Or...
I CRead-AddressingByte
2
Repeated
START
I C
2
SlaveAddressSr 1 AA
DataByte1/2
(HIGHByte)
DataByte2/2
(LOWByte)
1
8 8 NACK
7
I C
2
SlaveAddressSr 1 AA
DataByte1/2
(HIGHByte)
DataByte2/2
(LOWByte)
1
8 8 NACK
7
I C
2
SlaveAddressSr 1 AA
DataByte1/2
(HIGHByte)
DataByte2/2
(LOWByte)
P
8 8 NACK
7
STOP
(1)
Repeated
START
Repeated
START
STOP
(1)
I C
2
Read-AddressingByte
I C
2
Read-AddressingByte
Register(Address=mh)Content
Register(Address=mh)Content
START
START
STOP
(1)
STOP
(1)
Register(Address=mh)Content
I CRead-AddressingByte
2
I CRead-AddressingByte
2
Register(Address=mh)Content
Register(Address=mh)Content
FromMastertoSlave
A=Acknowledge(SDALOW)
N=NotAcknowledge(SDAHIGH)
S=STARTCondition
P=STOPCondition
Sr=RepeatedSTARTCondition
FromSlavetoMaster
NOTES:
(1)Inordertostartthenextsequence,aSTOPconditionmustbefollowedbyaSTARTcondition.IfnoSTOPis
used,thenaRepeatedSTARTmustbeused.AlsonotethatisaSTOPconditionisissuedinHigh-Speed
mode,themodewillreverttothepreviousmode:FastorStandard.
(2)mhisahexadecimalnumber.
N
N
N
N
N
N
TSC2004
SBAS408E – JUNE 2007 – REVISED MARCH 2008
Figure 37. Repeated Read Cycle
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