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參數(shù)資料
| 型號： | CP2112-F02-GM |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 7/22頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC HID USB-TO-SMBUS BRIDGE |
| 標準包裝： | 75 |
| 應用： | USB 至 SMBus 電橋 |
| 接口： | SMBus，USB |
| 電源電壓： | 1.8V，3 V ~ 3.6 V |
| 封裝/外殼： | 24-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 24-QFN（4x4） |
| 包裝： | 管件 |
| 安裝類型： | 表面貼裝 |
| 其它名稱： | 336-2149-5 |
CP2112
Rev. 1.2
15
Figure 8. Typical CP2112 Addressed Read
6.3. CP2112 Configuration Options
The CP2112 has the following SMBus configuration options, which are all configured through USB: clock speed,
device address, auto send read, read timeout, write timeout, SCL low timeout, and retry time.
The SMBus clock speed is configurable with a recommended operating range of 10 kHz to 400 kHz.
The device address is a configurable 7-bit address, which is the slave address of the CP2112. Although the
CP2112 is a master device, the CP2112 will ACK this address but will not respond to any read or write requests.
If the least significant bit is set, the CP2112 will ignore it.
If auto read send is set to 0x01, the CP2112 will return the results of a read automatically. If this is set to 0x00,
the device will wait for a “data read response” request to respond to data.
The read and write timeouts are the time limit before the device will automatically cancel a transfer that has
been initiated and can range from 0 to 1000 ms. If set to 0 ms, this indicates that there is no timeout.
The SCL low timeout is either enabled or disabled. If the SCL line is held low by a slave device on the bus, no
further communication is possible. Furthermore, the master cannot force the SCL line high to correct the error
condition. To solve this problem, the SMBus protocol specifies that devices participating in a transfer must
detect any clock cycle held low longer than 25 ms as a “timeout” condition. Devices that have detected the
timeout condition must reset the communication no later than 10 ms after detecting the timeout condition.
The retry time is the number of times the device will attempt a transfer before terminating the transfer. This can
be set from 0 to 1000. If set to 0, there is no retry limit.
These configuration options cannot be changed while a transfer is in progress.
Repeated
START
Read (1)
Slave Address + Read
SLA6-0
SDA
Write (0)
ADDR7-0
SCL
Slave Address + Write
Data Byte
START
ACK
Logical
Address
SLA6-0
DATA7-0
NACK
STOP
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CP2112-F02-GMR | 制造商:Silicon Laboratories Inc 功能描述:Single Chip HID USB to SMBus Master Bridge 24-Pin QFN EP 制造商:Silicon Laboratories Inc 功能描述:HID USB TO SMBUS BRIDGE - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC HID USB-TO-SMBUS BRIDGE 制造商:Silicon Laboratories Inc 功能描述:HID USB to SMBUS Bridge |
| CP2112-F03-GM | 功能描述:IC HID USB-TO-SMBUS BRIDGE 24QFN 制造商:silicon labs 系列:- 包裝:管件 零件狀態(tài):在售 協(xié)議:USB 功能:橋，USB 至 SMBus 接口:SMBus 標準:USB 2.0 電壓 - 電源:1.8V，3 V ~ 3.6 V 電流 - 電源:15mA 工作溫度:-40°C ~ 85°C 封裝/外殼:24-WFQFN 裸露焊盤 供應商器件封裝:24-QFN（4x4） 標準包裝:91 |
| CP2112-F03-GMR | 功能描述:IC HID USB-TO-SMBUS BRIDGE 24QFN 制造商:silicon labs 系列:- 包裝:帶卷（TR） 零件狀態(tài):在售 協(xié)議:USB 功能:橋，USB 至 SMBus 接口:SMBus 標準:USB 2.0 電壓 - 電源:1.8V，3 V ~ 3.6 V 電流 - 電源:15mA 工作溫度:-40°C ~ 85°C 封裝/外殼:24-WFQFN 裸露焊盤 供應商器件封裝:24-QFN（4x4） 標準包裝:1,500 |
| CP2114-B01-GM | 功能描述:輸入/輸出控制器接口集成電路 USB to I2S Audio bridge RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| CP2114-B01-GMR | 制造商:Silicon Laboratories Inc 功能描述:USB TO I2S AUDIO BRIDGE - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC USB-TO-I2S AUDIO BRIDGE 32QFN 制造商:Silicon Laboratories Inc 功能描述:USB to I2S Audio Bridge |
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