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参数资料
| 型号： | EMC2103-1-KP-TR |
| 厂商： | STANDARD MICROSYSTEMS CORP |
| 元件分类： | 模拟信号调理 |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, QCC12 |
| 封装： | 4 X 4 MM, ROHS COMPLIANT, QFN-12 |
| 文件页数： | 13/89页 |
| 文件大小： | 1243K |
| 代理商： | EMC2103-1-KP-TR |
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RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
Revision 0.90 (08-19-08)
20
SMSC EMC2103
DATASHEET
4.3
Read Byte
The Read Byte protocol is used to read one byte of data from the registers as shown in Table 4.3.
4.4
Send Byte
The Send Byte protocol is used to set the internal address register pointer to the correct address
location. No data is transferred during the Send Byte protocol as shown in Table 4.4.
4.5
Receive Byte
The Receive Byte protocol is used to read data from a register when the internal register address
pointer is known to be at the right location (e.g. set via Send Byte). This is used for consecutive reads
of the same register as shown in Table 4.5.
4.6
Alert Response Address
The ALERT output can be used as a processor interrupt or as an SMBus Alert when configured to
operate as an interrupt.
When it detects that the ALERT pin is asserted, the host will send the Alert Response Address (ARA)
to the general address of 0001_100b. All devices with active interrupts will respond with their client
address as shown in Table 4.6.
Table 4.3 Read Byte Protocol
START
SLAVE
ADDRESS
WR
ACK
REGISTER
ADDRESS
ACK
START
SLAVE
ADDRESS
RD
ACK
REGISTER
DATA
NACK
STOP
0 -> 1
0101_110
0
XXh
0
0 -> 1
0101_110
1
0
XXh
1
1 -> 0
Table 4.4 Send Byte Protocol
START
SLAVE
ADDRESS
WR
ACK
REGISTER
ADDRESS
ACK
STOP
0 -> 1
0101_110
0
XXh
1
1 -> 0
Table 4.5 Receive Byte Protocol
START
SLAVE
ADDRESS
RD
ACK
REGISTER DATA
NACK
STOP
0 -> 1
0101_110
1
0
XXh
1
1 -> 0
Table 4.6 Alert Response Address Protocol
START
ALERT
RESPONSE
ADDRESS
RD
ACK
DEVICE
ADDRESS
NACK
STOP
0 -> 1
0001_100
1
0
0101_1100
1
1 -> 0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EMC2103-2 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Analog and Interface Product Selector Guide |
| EMC2103-2-AP | 制造商:SMSC 制造商全称:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-2-AP-TR | 功能描述:板上安装温度传感器 Closed Loop RPM RPM Fan Ctrl 3Remote RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| EMC2103-3-KP | 制造商:SMSC 制造商全称:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-4 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Analog and Interface Product Selector Guide |
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