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參數(shù)資料
| 型號(hào)： | AMC6821 |
| 英文描述： | Analog Monitor and Control Circuit |
| 中文描述： | 模擬監(jiān)視和控制電路 |
| 文件頁數(shù)： | 6/47頁 |
| 文件大?。?/td> | 547K |
| 代理商： | AMC6821 |
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P
SMBUS INTERFACE
Communication Protocols
AMC6821
SBAS386A–MAY 2006–REVISED MAY 2006
The AMC6821 communicates through the serial system management bus (SMBus). The AMC6821 is connected
to this bus as a slave device, under the control of a bus master. The AMC6821 has a 7-bit serial bus address,
which is programmable by properly connecting the address pins A0 and A1.
Table 1
shows the selection of the
AMC6821 slave address.
Table 1. AMC6821 Address Select
A0
GND
NC
(1)
V
D
GND
NC
V
D
GND
NC
V
D
A1
GND
GND
GND
NC
NC
NC
V
D
V
D
V
D
ADDRESS
0011000
0011010
0011001
0101100
0101110
0101101
1001100
1001110
1001101
(1)
NC = No connection.
The AMC6821 employs four standard SMBus protocols: the send byte, receive byte, write byte, and read byte.
All other operations result in undefined results.
Send Byte
S
SLAVE ADDRESS
WR
ACK
COMMAND
ACK
P
7-bit AMC6821 slave address
8-bit register address
S = start condition; P = stop condition; shaded = slave to master; unshaded = master to slave; WR = write (bit value of 0).
Receive Byte
S
SLAVE ADDRESS
RD
ACK
DATA
NACK
P
8-bit data from the register selected
previously
7-bit AMC6821 slave address
S = start condition; P = stop condition; shaded = slave to master; unshaded = master to slave; RD = read (bit value of 1); NACK = not acknowledged.
Write Byte
S
SLAVE ADDRESS
WR
ACK
COMMAND
ACK
DATA
ACK
P
7-bit AMC6821 slave address
8-bit register address
8-bit data written to register
S = start condition; P = stop condition; shaded = slave to master; unshaded = master to slave; WR = write (bit value of 0).
6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AMC6821EVM | 功能描述:溫度傳感器開發(fā)工具 ANA MONITOR RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:Temperature Sensors and Control ICs 工具用于評(píng)估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
| AMC6821EVM-PDK | 功能描述:溫度傳感器開發(fā)工具 THERMAL MGMT RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:Temperature Sensors and Control ICs 工具用于評(píng)估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
| AMC6821-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:INTELLIGENT TEMPERATURE MONITOR AND PWM FAN CONTROLLER |
| AMC6821SDBQ | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Temp Monitoring and Fan Ctrl RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| AMC6821SDBQG4 | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Temp Monitoring and Fan Ctrl RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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