Figure 13.9 Serial Eeprom Read Using Smbus Block Write/Read Transactions With Pec; Figure 13.10 Csr Register Write Using Smbus Block Write Transactions With Pec Disabled; Figure 13.11 Serial Eeprom Write Using Smbus Block Write Transactions With Pec Disabled; Figure 13.12 Serial Eeprom Write Using Smbus Block Write Transactions With Pec Enabled - Renesas IDT 89HPES48H12G2 User Manual

Pci express switch
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IDT SMBus Interfaces
Notes
PES48H12G2 User Manual
PES48H12G2 Slave
CCODE
S
Wr
A
SMBus Address
START,END
A
P
ADDRU
PES48H12G2 Slave
CCODE
S
Wr
A
SMBus Address
START,END
PES48H12G2 Slave
CCODE
S
Wr
A
SMBus Address
START,END
ADDRL
A
ADDRU
Figure 13.9 Serial EEPROM Read Using SMBus Block Write/Read Transactions with PEC Disabled
PES48H12G2 Slave
CCODE
S
Wr
A
SMBus Address
START,END
PES48H12G2 Slave
CCODE
S
Wr
A
SMBus Address
START,END
PES48H12G2 Slave
CCODE
S
Wr
A
SMBus Address
START,END
A
DATALL
DATALM

Figure 13.10 CSR Register Write Using SMBus Block Write Transactions with PEC Disabled

PES48H12G2 Slave
CCODE
S
Wr
A
SMBus Address
START,END
A
ADDRU
DATA

Figure 13.11 Serial EEPROM Write Using SMBus Block Write Transactions with PEC Disabled

PES48H12G2 Slave
CCODE
S
Wr
A
SMBus Address
START,END
A
ADDRU
DATA

Figure 13.12 Serial EEPROM Write Using SMBus Block Write Transactions with PEC Enabled

13 - 19
A
BYTCNT=4
A
CMD=read
(PES48H12G2 not ready with data)
N
P
PES48H12G2 Slave
A
S
Rd
A
BYTCNT=5
SMBus Address
A
DATA
N
P
(PES48H12G2 busy with previous command, not ready for a new command)
N
P
(PES48H12G2 busy with previous command, not ready for a new command)
N
P
A
A
A
BYTCNT=7
CMD=write
A
A
A
DATAUM
DATAUU
A
A
BYTCNT=5
CMD=write
A
P
A
A
BYTCNT=5
CMD=write
A
A
P
PEC
A
EEADDR
A
ADDRL
A
A
A
CMD (status)
EEADDR
A
A
ADDRL
ADDRU
P
A
A
EEADDR
ADDRL
A
A
EEADDR
ADDRL
April 5, 2013
A
A
A

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