参数资料
型号: C8051F302-GMR
厂商: Silicon Laboratories Inc
文件页数: 26/178页
文件大小: 0K
描述: IC 8051 MCU 8K FLASH 11QFN
产品培训模块: Serial Communication Overview
标准包装: 1,500
系列: C8051F30x
核心处理器: 8051
芯体尺寸: 8-位
速度: 25MHz
连通性: SMBus(2 线/I²C),UART/USART
外围设备: POR,PWM,温度传感器,WDT
输入/输出数: 8
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
数据转换器: A/D 8x8b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 10-VFDFN 裸露焊盘
包装: 带卷 (TR)
配用: 336-1444-ND - ADAPTER PROGRAM TOOLSTICK F300
Table 13.3. Sources for Hardware Changes to SMB0CN
Bit
Set by Hardware When:
Cleared by Hardware When:
MASTER
A START is generated.
A STOP is generated.
Arbitration is lost.
TXMODE
START is generated.
The SMBus interface enters transmitter mode
(after SMB0DAT is written before the start of
an SMBus frame).
A START is detected.
Arbitration is lost.
SMB0DAT is not written before the
start of an SMBus frame.
STA
A START followed by an address byte is
received.
Must be cleared by software.
STO
A STOP is detected while addressed as a
slave.
Arbitration is lost due to a detected STOP.
A pending STOP is generated.
ACKRQ
A byte has been received and an ACK
response value is needed.
After each ACK cycle.
ARBLOST
A repeated START is detected as a MASTER
when STA is low (unwanted repeated START).
SCL is sensed low while attempting to gener-
ate a STOP or repeated START condition.
SDA is sensed low while transmitting a ‘1’
(excluding ACK bits).
Each time SI is cleared.
ACK
The incoming ACK value is low (ACKNOWL-
EDGE).
The incoming ACK value is high (NOT
ACKNOWLEDGE).
SI
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.
Must be cleared by software.
Rev. 2.9
121
C8051F300/1/2/3/4/5
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