参数资料
型号: CP2103-GM
厂商: Silicon Laboratories Inc
文件页数: 19/20页
文件大小: 0K
描述: IC CTRLR BRIDGE USB-UART 28QFN
产品培训模块: USB Protocol Products USBXpress
CP21xx USB Bridge
标准包装: 73
应用: USB
接口: USB
电源电压: 3 V ~ 3.6 V
封装/外壳: 28-VFQFN 裸露焊盘
供应商设备封装: 28-QFN(5x5)
包装: 管件
安装类型: 表面贴装
产品目录页面: 627 (CN2011-ZH PDF)
配用: 336-1163-ND - KIT EVAL FOR CP2103 USB TO UART
其它名称: 336-1164
CP2103
8
Rev. 1.0
3. Pinout and Package Definitions
Table 7. CP2103 Pin Definitions
Name
Pin #
Type
Description
VDD
6
Power In
Power Out
3.0–3.6 V Power Supply Voltage Input.
3.3 V Voltage Regulator Output. See "9. Voltage Regulator" on page
VIO
5
Power In
1.8 V to VDD I/O Supply Voltage Input.
GND
2
Ground. Must be tied to ground.
SGND
Ground. Must be tied to ground.
RST
9
D I/O
Device Reset. Open-drain output of internal POR or VDD monitor. An
external source can initiate a system reset by driving this pin low for
at least 15 s.
REGIN
7
Power In
5 V Regulator Input. This pin is the input to the on-chip voltage regu-
lator.
VBUS
8
D In
VBUS Sense Input. This pin should be connected to the VBUS signal
of a USB network. A 5 V signal on this pin indicates a USB network
connection.
D+
3
D I/O
USB D+
D–
4
D I/O
USB D–
TXD
25
D Out
Asynchronous data output (UART Transmit)
RXD
24
D In
Asynchronous data input (UART Receive)
CTS
22*
D In
Clear To Send control input (active low)
RTS
23*
D Out
Ready to Send control output (active low)
DSR
26*
D in
Data Set Ready control input (active low)
DTR
27*
D Out
Data Terminal Ready control output (active low)
DCD
28*
D In
Data Carrier Detect control input (active low)
RI
1*
D In
Ring Indicator control input (active low)
SUSPEND
12*
D Out
This pin is driven high when the CP2103 enters the USB suspend
state.
SUSPEND
11*
D Out
This pin is driven low when the CP2103 enters the USB suspend
state.
NC
10, 13–15,
20–21
These pins should be left unconnected or tied to VDD.
GPIO.3
16
D I/O
User-configurable input or output.
GPIO.2
17
D I/O
User-configurable input or output.
GPIO.1
18
D I/O
User-configurable input or output.
GPIO.0
19
D I/O
User-configurable input or output.
*Note: Pins can be left unconnected when not used.
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