C8051F996DK Silicon Laboratories Inc, C8051F996DK Datasheet - Page 251

• Manufacturer Part Number: C8051F996DK
• Description: KIT DEV FOR C8051F996
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F996DK

• Contents: Board, Batteries, Cables, CDs, Debug Adapter, Documentation, Power Adapter
• Processor To Be Evaluated: C8051F996
• Processor Series: C8051F98x
• Interface Type: USB
• Operating Supply Voltage: 3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: C8051F996
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1963

Table 22.5. SMBus Status Decoding With Hardware ACK Generation Disabled (EHACK = 0)
1100
1000 1
1110
Values Read
0
0
0
0 X
0
0
0 X
0
1
Current SMbus State
A master START was gener-
ated.
A master data or address byte
was transmitted; NACK
received.
A master data or address byte
was transmitted; ACK
received.
A master data byte was
received; ACK requested.
Rev. 1.0
Typical Response Options
Load slave address + R/W into
SMB0DAT.
Set STA to restart transfer.
Abort transfer.
Load next data byte into
SMB0DAT.
End transfer with STOP.
End transfer with STOP and start
another transfer.
Send repeated START.
Switch to Master Receiver Mode
(clear SI without writing new data
to SMB0DAT).
Acknowledge received byte;
Read SMB0DAT.
Send NACK to indicate last byte,
and send STOP.
Send NACK to indicate last byte,
and send STOP followed by
START.
Send ACK followed by repeated
START.
Send NACK to indicate last byte,
and send repeated START.
Send ACK and switch to Master
Transmitter Mode (write to
SMB0DAT before clearing SI).
Send NACK and switch to Mas-
ter Transmitter Mode (write to
SMB0DAT before clearing SI).
C8051F99x-C8051F98x
Values to
0
1
0
0
0
1
1
0
0
0
1
1
1
0
0
Write
0 X 1100
0 X
1 X
0 X 1100
1 X
1 X
0 X
0 X 1000
0 1
1 0
1 0
0 1
0 0
0 1
0 0
1000
1100
1100
1110
1110
1110
1110
1110
—
—
—
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