C8051F930DK Silicon Laboratories Inc, C8051F930DK Datasheet - Page 252

• Manufacturer Part Number: C8051F930DK
• Description: KIT DEV C8051F920,F921,F930,F931
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F930DK

• Contents: Target Board, Power Adapter, USB Debug Adapter, Cables, Batteries, and Software
• Processor To Be Evaluated: C8051F930
• Processor Series: C8051F9xx
• Data Bus Width: 8 bit
• Interface Type: I2C, UART, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 0.9 V to 3.6 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: C8051F920, F921, F930, F931
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1473

C8051F93x-C8051F92x
Table 22.5. SMBus Status Decoding With Hardware ACK Generation Disabled (EHACK = 0)
252
0100
0101 0 X X
0010
0001
0000 1
0010 0
0001 0
0000 1
Values Read
0
0
0
1
1
0
1
0
0
1 X
0 X
1 X
0 X
1 X
0 X
1 X
1 X
1 X
0
1
Current SMbus State
A slave byte was transmitted;
NACK received.
A slave byte was transmitted;
ACK received.
A Slave byte was transmitted;
error detected.
An illegal STOP or bus error
was detected while a Slave
Transmission was in progress.
A slave address + R/W was
received; ACK requested.
Lost arbitration as master;
slave address + R/W received;
ACK requested.
A STOP was detected while
addressed as a Slave Trans-
mitter or Slave Receiver.
Lost arbitration while attempt-
ing a STOP.
A slave byte was received;
ACK requested.
Lost arbitration while attempt-
ing a repeated START.
Lost arbitration due to a
detected STOP.
Lost arbitration while transmit-
ting a data byte as master.
Rev. 1.1
Typical Response Options
No action required (expecting
STOP condition).
Load SMB0DAT with next data
byte to transmit.
No action required (expecting
Master to end transfer).
Clear STO.
If Write, Acknowledge received
address
If Read, Load SMB0DAT with
data byte; ACK received address
NACK received address.
If Write, Acknowledge received
address
If Read, Load SMB0DAT with
data byte; ACK received address
NACK received address.
Reschedule failed transfer;
NACK received address.
Clear STO.
No action required (transfer
complete/aborted).
Acknowledge received byte;
Read SMB0DAT.
NACK received byte.
Abort failed transfer.
Reschedule failed transfer.
Abort failed transfer.
Reschedule failed transfer.
Abort failed transfer.
Reschedule failed transfer.
Values to
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
1
0
1
Write
0 X 0001
0 X 0100
0 X 0001
0 X
0 1
0 1
0 0
0 1
0 1
0 0
0 0
0 X
0 0
0 1
0 0
0 X
0 X
0 X
0 X
0 0
0 0
0000
0100
0000
0100
0000
1110
1110
1110
1110
-
-
-
-
-
-
-
-
-