c8051t602 Silicon Laboratories, c8051t602 Datasheet - Page 115

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c8051t602

Manufacturer Part Number
c8051t602
Description
Mixed Signal Otp Eprom Mcu Family
Manufacturer
Silicon Laboratories
Datasheet

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ARBLOST
MASTER
TXMODE
ACKRQ
STO
ACK
STA
Bit
SI
• A START is generated.
• START is generated.
• The SMBus interface enters transmitter mode
• A START followed by an address byte is
• A STOP is detected while addressed as a
• Arbitration is lost due to a detected STOP.
• A byte has been received and an ACK
• A repeated START is detected as a MASTER
• SCL is sensed low while attempting to gener-
• SDA is sensed low while transmitting a ‘1’
• The incoming ACK value is low (ACKNOWL-
• A START has been generated.
• Lost arbitration.
• A byte has been transmitted and an
• A byte has been received.
• A START or repeated START followed by a
• A STOP has been received.
Table 14.3. Sources for Hardware Changes to SMB0CN
(after SMB0DAT is written before the start of
an SMBus frame).
received.
slave.
response value is needed.
when STA is low (unwanted repeated START).
ate a STOP or repeated START condition.
(excluding ACK bits).
EDGE).
ACK/NACK received.
slave address + R/W has been received.
Set by Hardware When:
Rev. 0.5
C8051T600/1/2/3/4/5
• A STOP is generated.
• Arbitration is lost.
• A START is detected.
• Arbitration is lost.
• SMB0DAT is not written before the
• 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
• Must be cleared by software.
start of an SMBus frame.
ACKNOWLEDGE).
Cleared by Hardware When:
115

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