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參數(shù)資料
| 型號： | CP2104EK |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 4/22頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL FOR CP2104 |
| 產(chǎn)品培訓(xùn)模塊： | CP21xx USB Bridge |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 接口，USB 2.0 至 UART（RS485）電橋 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | CP2104 |
| 主要屬性： | 全速（12Mbps） |
| 次要屬性： | LED 狀態(tài)指示器 |
| 已供物品： | 板，線纜，CD |
| 相關(guān)產(chǎn)品： | 336-2008-5-ND - IC SGL USB-TO-UART BRIDGE 24QFN |
| 其它名稱： | 336-2007 |
CP2104
12
Rev. 1.1
5. USB Function Controller and Transceiver
The Universal Serial Bus (USB) function controller in the CP2104 is a USB 2.0 compliant full-speed device with
integrated transceiver and on-chip matching and pullup resistors. The USB function controller manages all data
transfers between the USB and the UART as well as command requests generated by the USB host controller and
commands for controlling the function of the UART and GPIO pins.
The USB Suspend and Resume signals are supported for power management of both the CP2104 device as well
as external circuitry. The CP2104 will enter Suspend mode when Suspend signaling is detected on the bus. On
entering Suspend mode, the CP2104 asserts the SUSPEND and SUSPEND signals. SUSPEND and SUSPEND
are also asserted after a CP2104 reset until device configuration during USB Enumeration is complete.
The CP2104 exits the Suspend mode when any of the following occur: Resume signaling is detected or generated,
a USB Reset signal is detected, or a device reset occurs. On exit of Suspend mode, the SUSPEND and SUSPEND
signals are de-asserted.
Both SUSPEND and SUSPEND temporarily float high during a CP2104 reset. If this behavior is undesirable, a
strong pulldown (10 k
) can be used to ensure SUSPEND remains low during reset.
The logic level and output mode (push-pull or open-drain) of various pins during USB Suspend is configurable in
the PROM. See Section 8 for more information.
6. Asynchronous Serial Data Bus (UART) Interface
The CP2104 UART interface consists of the TX (transmit) and RX (receive) data signals as well as the RTS, CTS,
DSR, DTR, DCD, and RI control signals. The UART supports RTS/CTS, DSR/DTR, and X-On/X-Off handshaking.
The UART is programmable to support a variety of data formats and baud rates. If the Virtual COM Port drivers are
used, the data format and baud rate are set during COM port configuration on the PC. If the USBXpress drivers are
used, the CP2104 is configured through the USBXpress API. The data formats and baud rates available are listed
in Table 10.
Table 10. Data Formats and Baud Rates
Data Bits1
5, 6, 7, and 8
Stop Bits
1, 1.52, and 2
Parity Type
None, Even, Odd, Mark, Space
Baud Rates
300 bps to 2.0 Mbps
Notes:
1. Data sizes of 5 and 6 bits are not supported at baud rates above
921600 bps.
2. 1.5 stop bits only available when using 5 data bits.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CP2104-F03-GM | 功能描述:輸入/輸出控制器接口集成電路 USB to UART 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| CP2104-F03-GMR | 功能描述:輸入/輸出控制器接口集成電路 USB to UART 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| CP2104-MINIEK | 制造商:Silicon Laboratories Inc 功能描述:KIT EVAL FOR CP2104-MINI |
| CP2104SX0810GM | 制造商:Silicon Laboratories Inc 功能描述: |
| CP2104SX0810GMR | 制造商:Silicon Laboratories Inc 功能描述: |
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