C8051F34A-GMR Silicon Labs, C8051F34A-GMR Datasheet - Page 197

• Manufacturer Part Number: C8051F34A-GMR
• Description: 8-bit Microcontrollers - MCU 48 MIPS 64KB 10ADC
• Manufacturer: Silicon Labs

Specifications of C8051F34A-GMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

ARBLOST
TXMODE
MASTER
ACKRQ
STO
ACK
STA
Bit
SI
• A START is generated.
• START is generated.
• SMB0DAT is written before the start of an
• 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 ACK/
• A byte has been received.
• A START or repeated START followed by a
• A STOP has been received.
Table 17.3. Sources for Hardware Changes to SMB0CN
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).
NACK received.
slave address + R/W has been received.
Set by Hardware When:
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
Rev. 1.3
• 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:
197