C8051F540-TB Silicon Laboratories Inc, C8051F540-TB Datasheet - Page 196
![BOARD PROTOTYPE W/C8051F540](/photos/9/25/92559/c8051f540-tb_sml.jpg)
C8051F540-TB
Manufacturer Part Number
C8051F540-TB
Description
BOARD PROTOTYPE W/C8051F540
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F540-TB
Contents
Board
Processor To Be Evaluated
C8051F54x
Processor Series
C8051F54x
Interface Type
USB
Operating Supply Voltage
5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F54x
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1672
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C8051F54x
196
Bit
MASTER
TXMODE
STA
STO
ACKRQ
ARBLOST
ACK
SI
Set by Hardware When:
A START is generated.
START is generated.
SMB0DAT is written before the start of an
SMBus frame.
A START followed by an address byte is
received.
A STOP is detected while addressed as a
slave.
Arbitration is lost due to a detected STOP.
A byte has been received and an ACK
response value is needed.
A repeated START is detected as a
MASTER when STA is low (unwanted
repeated START).
SCL is sensed low while attempting to
generate a STOP or repeated START
condition.
SDA is sensed low while transmitting a 1
(excluding ACK bits).
The incoming ACK value is low
(ACKNOWLEDGE).
A START has been generated.
Lost arbitration.
A byte has been transmitted and an
ACK/NACK received.
A byte has been received.
A START or repeated START followed by a
slave address + R/W has been received.
A STOP has been received.
Table 20.3. Sources for Hardware Changes to SMB0CN
Rev. 1.1
Cleared by Hardware When:
A STOP is generated.
Arbitration is lost.
A START is detected.
Arbitration is lost.
SMB0DAT is not written before the
start of an SMBus frame.
Must be cleared by software.
A pending STOP is generated.
After each ACK cycle.
Each time SI is cleared.
The incoming ACK value is high
(NOT ACKNOWLEDGE).
Must be cleared by software.
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