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串口资料CP2102

更新时间：2019-12-19 08:52:32 大小：2M 上传用户：chenjiemin1234查看TA发布的资源 标签：串口cp2102 下载积分：2分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

资料介绍

串口资料CP2102，非常值得参考，拿走吧

部分文件列表

文件名 大小
CP2102-9.pdf 2M

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（完整内容请下载后查看）
CP2102/9  
SINGLE-CHIP USB-TO-UART BRIDGE  
) for more information.  
Single-Chip USB to UART Data Transfer  
Virtual COM Port Device Drivers  
- Integrated USB transceiver; no external resistors  
required  
- Works with existing COM port PC Applications  
- Royalty-free distribution license  
- Windows 8/7/Vista/Server 2003/XP/2000  
- Mac OS-X/OS-9  
- Integrated clock; no external crystal required  
- Internal 1024-byte programmable ROM for vendor ID,  
product ID, serial number, power descriptor, release  
number, and product description strings  
- EEPROM (CP2102)  
- Linux  
USBXpress™ Direct Driver Support  
- EPROM (One-time programmable) (CP2109)  
- On-chip power-on reset circuit  
- Royalty-Free Distribution License  
- Windows 7/Vista/XP/Server 2003/2000  
- Windows CE  
- On-chip voltage regulator  
- 3.3 V output (CP2102)  
- 3.45 V output (CP2109)  
Example Applications  
- 100% pin and software compatible with CP2101  
- Upgrade of RS-232 legacy devices to USB  
- Cellular phone USB interface cable  
- USB interface cable  
USB Function Controller  
- USB Specification 2.0 compliant; full-speed (12 Mbps)  
- USB suspend states supported via SUSPEND pins  
- USB to RS-232 serial adapter  
Supply Voltage  
Asynchronous Serial Data BUS (UART)  
- Self-powered: 3.0 to 3.6 V  
- USB bus powered: 4.0 to 5.25 V  
- All handshaking and modem interface signals  
- Data formats supported:  
-
-
-
Data bits: 5, 6, 7, and 8  
Package  
Stop bits: 1, 1.5, and 2  
- RoHS-compliant 28-pin QFN (5x5 mm)  
Parity: odd, even, mark, space, no parity  
- Baud rates: 300 bps to 1 Mbps  
Ordering Part Numbers  
- 576 Byte receive buffer; 640 byte transmit buffer  
- Hardware or X-On/X-Off handshaking supported  
- Event character support  
- CP2102-GM  
- CP2109-A01-GM  
- Line break transmission  
Temperature Range: –40 to +85 °C  
VDD  
CP2102/9  
7
Voltage  
Regulator  
OUT  
REGIN  
IN  
9
RST  
(to external  
circuitry for  
USB  
suspend  
states)  
12  
11  
SUSPEND  
SUSPEND  
3.3 – 3.45 V  
6
3
VDD  
GND  
2
RI  
External  
RS-232  
transceiver  
or UART  
circuitry  
48 MHz  
Oscillator  
1
DCD  
DTR  
DSR  
TXD  
RXD  
RTS  
CTS  
8
VBUS  
USB  
CONNECTOR  
28  
27  
26  
25  
24  
23  
1
VBUS  
UART  
2
5
4
D-  
D-  
USB  
Transceiver  
USB Function  
Controller  
3
D+  
GND  
D+  
4
640B 576B  
TX RX  
Buffer Buffer  
1024B  
PROM  
D1 D2 D3  
18  
VPP  
*CP2109 only  
Figure 1. Example System Diagram  
Copyright © 2017 by Silicon Laboratories  
Rev. 1.8 1/17  
CP2102/9  
CP2102/9  
2
Rev. 1.8  

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