SS8017TR SSC [Silicon Standard Corp.], SS8017TR Datasheet - Page 10

• Manufacturer Part Number: SS8017TR
• Description: Two Remote Temperature Sensors with SMBus Serial Interface and System Reset
• Manufacturer: SSC [Silicon Standard Corp.]

Rev.2.01 6/06/2003
Command Byte: selects, which register you, are writing to
Write Byte Format
Slave Address: equivalent to chip-select line of a 3-wire interface
Read Byte Format
Data Byte: data goes into the register set by the command byte (to set thresholds, configuration masks, and
Slave Address: equivalent to chip- select line
Command Byte: selects, which register you, are reading from
Slave Address: repeated due to change in data-flow direction
Data byte: reads from the register set by the command byte
Send Byte Format
Command Byte: sends command with no data usually used for one-shot command
Receive Byte Format
Data Byte: reads data from the register commanded by the last Read Byte or Write
S = Start condition Shaded = Slave transmission P = Stop condition /// = Not acknowledged
S
S
S
S
Address WR
7 bits
Byte transmission; also used for SMBus Alert Response return address
sampling rate)
Address
7 bits
Address
Address
7 bits
7 bits
ACK
WR
Command ACK
WR
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RD
8 bits
ACK
Fig 5. SMBus Protocols
Command
ACK
ACK
8 bits
S
Address
7 bits
ACK
Command
Data
8 bits
8 bits
RD
DATA
8 bits
ACK
ACK
///
DATA
8 bits
ACK
///
P
P
SS8017
P
1
P
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