IDT 89HPES16NT2, User Manual

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IDT SMBus Interfaces
PES16NT2 User Manual 6 - 14 April 15, 2008
Notes
Figure 6.9 Serial EEPROM Read Using SMBus Block Write/Read Transactions with PEC Disabled
Figure 6.10 CSR Register Write Using SMBus Block Write Transactions with PEC Disabled
Figure 6.11 Serial EEPROM Write Using SMBus Block Write Transactions with PEC Disabled
Figure 6.12 Serial EEPROM Write Using SMBus Block Write Transactions with PEC Enabled
S
PES16NT2 Slave
SMBus Address
Wr A A
BYTCNT=4
A
CMD=read
A
EEADDR
A
ADDRL
A
P
CCODE
START,END
S
PES16NT2 Slave
SMBus Address
Wr A A
CCODE
START,END
S
PES16NT2 Slave
SMBus Address
Rd
ADDRU
A
BYTCNT=5
A
EEADDR CMD (status)
A A A
N
DATA ADDRU
A P
ADDRL
A
S
PES16NT2 Slave
SMBus Address
Wr A N
CCODE
START,END
P
(PES16NT2 not ready with data)
S
PES16NT2 Slave
SMBus Address
Wr A A BYTCNT=7 A CMD=write A ADDRL A ADDRU A
CCODE
START,END
DATALL A DATALM A DATAUM A DATAUU A P
S
PES16NT2 Slave
SMBus Address
Wr A
CCODE
START,END
N P
(PES16NT2 busy with previous command, not ready for a new command)
S
PES16NT2 Slave
SMBus Address
Wr A
CCODE
START,END
N P
(PES16NT2 busy with previous command, not ready for a new command)
S
PES16NT2 Slave
SMBus Address
Wr A A BYTCNT=5 A CMD=write A EEADDR A ADDRL A
CCODE
START,END
ADDRU A DATA A P
S
PES16NT2 Slave
SMBus Address
Wr A A BYTCNT=5 A CMD=write A EEADDR A ADDRL A
CCODE
START,END
ADDRU A DATA A P PEC A