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參數(shù)資料
| 型號： | CP2105-F01-GM |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SGL USB-DL UART BRIDGE 24QFN |
| 產(chǎn)品培訓模塊： | CP21xx USB Bridge |
| 標準包裝： | 75 |
| 應(yīng)用： | UART 至 USB 電橋 |
| 接口： | UART，USB |
| 電源電壓： | 1.8V，3 V ~ 3.6 V |
| 封裝/外殼： | 24-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 24-QFN（4x4） |
| 包裝： | 管件 |
| 安裝類型： | 表面貼裝 |
| 配用： | 336-2005-ND - KIT EVAL FOR CP2105 |
| 其它名稱： | 336-2009-5 |
CP2105
Rev. 1.1
19
10. Voltage Regulator
The CP2105 includes an on-chip 5 to 3.45 V voltage regulator. This allows the CP2105 to be configured as either a
USB bus-powered device or a USB self-powered device. A typical connection diagram of the device in a bus-
powered application using the regulator is shown in Figure 8. When enabled, the voltage regulator output appears
on the VDD pin and can be used to power external devices. See Table 5 for the voltage regulator electrical
characteristics.
If it is desired to use the regulator to provide VDD in a self-powered application, the same connections from
Figure 8 can be used, but connect REGIN to an on-board 5 V supply, and disconnect it from the VBUS pin. In
addition, if REGIN may be unpowered while VBUS is 5 V, a resistor divider shown in Note 5 of Figure 9 is required
to meet the absolute maximum voltage on VBUS specification in Table 1.
Figure 8. Typical Bus-Powered Connection Diagram
Note 3
Note 2
Note 1
VBUS
D+
D-
GND
USB
Connector
Enhanced
UART
and GPIO
Signals
Standard
UART
and GPIO
Signals
CP2105
RXD_ECI
TXD_ECI
RXD_SCI
TXD_SCI
RTS_ECI
CTS_ECI
GPIO0_ECI / DTR_ECI
GPIO.1_ECI / DSR_ECI
SUSPEND / RI_ECI
NC / DCD_ECI / VPP
RTS_SCI
CTS_SCI
GPIO.1_SCI / DTR_SCI
GPIO.2_SCI / DSR_SCI
SUSPEND / RI_SCI
GPIO.0_SCI / DCD_SCI
REGIN
VDD
GND
VIO
VBUS
D+
D-
RST
1
F
1-5
F
0.1
F
3.45 V Power
VIO
4.7 k
Note 4
Note 1 : Avalanche transient voltage suppression diodes compatible with Full-speed USB should be
added at the connector for ESD protection. Use Littelfuse p/n SP0503BAHT or equivalent.
Note 2 : An external pull-up is not required, but can be added for noise immunity.
Note 3 : VIO can be connected directly to VDD or to a supply as low as 1.8 V to set the I/O interface
voltage.
Note 4 : If configuration ROM is to be programmed via USB, a 4.7
F capacitor must be added
between NC / DCD_ECI / VPP and ground. During a programming operation, the pin should
not be connected to other circuitry, and VDD must be at least 3.3 V.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CP2105-F01-GMR | 功能描述:輸入/輸出控制器接口集成電路 USB to Dual 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| CP2105-F05-GMR | 制造商:Silicon Laboratories Inc 功能描述:USB TO DUAL UART BRIDGE - Tape and Reel |
| CP2105-GM | 制造商:SILABS 制造商全稱:SILABS 功能描述:Data format: 8 data bits, 1 stop bit Parity: Even, Pdd, No parity Baud rates: 2400 bps to 921600 bps |
| CP2108-B01-GM | 功能描述:輸入/輸出控制器接口集成電路 USB to QUAD UART 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 |
| CP2108-B01-GMR | 制造商:Silicon Laboratories Inc 功能描述:USB TO QUAD UART - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC BRIDGE USB TO UART 64QFN 制造商:Silicon Laboratories Inc 功能描述:USB to QUAD UART |
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