C8051F800DK Silicon Laboratories Inc, C8051F800DK Datasheet - Page 198
C8051F800DK
Manufacturer Part Number
C8051F800DK
Description
KIT DEV C8051F800
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F800DK
Contents
Board, Cables, CD, Debugger, Power Supply
Processor To Be Evaluated
C8051F800
Data Bus Width
16 bit
Interface Type
USB
Operating Supply Voltage
7 V to 15 V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F8xx
Lead Free Status / Rohs Status
Supplier Unconfirmed
Other names
336-1797
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C8051F80x-83x
Table 26.5. SMBus Status Decoding With Hardware ACK Generation Disabled (EHACK = 0)
198
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
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.
Current SMbus State
(Continued)
Rev. 1.0
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.
Typical Response Options
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
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