SST79LF008 Datasheet, PDF (177/252 Pages) Silicon Storage Technology, Inc – Mobile Platform Controller plus 8 Mbit LPC Firmware Flash

Mobile Platform Controller
8 Mbit LPC Firmware Flash
SST79LF008
Advance Information
13.8.4 Slave Receive Mode
In Slave Receive Mode, the slave compares the received address with the SAR register contents. If they match, the
slave will receive data from the master until the master stops the transaction.
Set SMSR - Write 10H to SMSR
(This is done by software)
Detect START condition and
Receive Data Byte to SDSR
(This is done by hardware)
SAR[7:1] matches
SDSR[7:1]?
NO
(Done by hardware)
YES
Send ACK, set INT bit in SMCR
Clear MOD0 bit in SMSR (=30H)
(This is done by hardware)
a) Set ACKEN bit in SMCR
b) Clear INT bit in SMCR
(This is done by software)
Receive data to SDSR, send ACK bit,
set INT bit in SMCR or Detect STOP
(This is done by hardware)
Detect STOP
Condition
(This is done by hardware)
STOP is detected?
(Done by software)
YES
NO
Read received data byte from SDSR
(This is done by software)
FIGURE 13-8: SMBus Slave Receive Mode Operation
END
1245 SMBus_Slave_ReceiveMode.0
©2006 Silicon Storage Technology, Inc.
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S71320-01-000
10/06