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參數(shù)資料
| 型號： | EMC2103-2-AP-TR |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, QCC16 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, QFN-16 |
| 文件頁數(shù)： | 11/89頁 |
| 文件大?。?/td> | 1243K |
| 代理商： | EMC2103-2-AP-TR |
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RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
SMSC EMC2103
19
Revision 0.90 (08-19-08)
DATASHEET
Chapter 4 Communications
4.1
System Management Bus Interface Protocol
The EMC2103 communicates with a host controller, such as an SMSC SIO, through the SMBus. The
SMBus is a two-wire serial communication protocol between a computer host and its peripheral
devices. A detailed timing diagram is shown in Figure 4.1. Stretching of the SMCLK signal is supported,
however the EMC2103 will not stretch the clock signal.
The EMC2103 contains a single SMBus interface. The EMC2103 client interfaces are SMBus 2.0
compatible and support Send Byte, Read Byte, Receive Byte and the Alert Response Address as valid
protocols. These protocols are used as shown below.
All of the below protocols use the convention in Table 4.1.
4.2
Write Byte
The Write Byte is used to write one byte of data to the registers as shown below Table 4.2:
Figure 4.1 SMBus Timing Diagram
Table 4.1 Protocol Format
DATA SENT
TO DEVICE
DATA SENT TO
THE HOST
# of bits sent
Table 4.2 Write Byte Protocol
START
SLAVE
ADDRESS
WR
ACK
REGISTER
ADDRESS
ACK
REGISTER
DATA
ACK
STOP
0 -> 1
0101_110
0
0 -> 1
0
XXh
0
1 -> 0
SMDATA
SMCLK
TLOW
TRISE
THIGH
TFALL
TBUF
THD:STA
P
S
S - Start Condition
P - Stop Condition
THD:DAT
TSU:DAT
TSU:STA
THD:STA
P
TSU:STO
S
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相關(guān)代理商/技術(shù)參數(shù) |
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| EMC2103-3-KP | 制造商:SMSC 制造商全稱:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-4 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Analog and Interface Product Selector Guide |
| EMC2103-4-AP | 制造商:SMSC 制造商全稱:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-4-AP-TR | 功能描述:板上安裝溫度傳感器 RPM-BASED FAN CTRL HW THRML SHUTDWN RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| EMC2104 | 制造商:SMSC 制造商全稱:SMSC 功能描述:Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown |
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