V
參數(shù)資料
型號(hào): CP2101-GMR
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 18/20頁(yè)
文件大?。?/td> 0K
描述: IC CTRLR BRIDGE USB-UART 28MLP
產(chǎn)品培訓(xùn)模塊: CP21xx USB Bridge
標(biāo)準(zhǔn)包裝: 1,500
應(yīng)用: USB
接口: USB
電源電壓: 3 V ~ 3.6 V
封裝/外殼: 28-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-QFN(5x5)
包裝: 帶卷 (TR)
安裝類型: 表面貼裝
CP2101
Rev. 1.8
7
4. Pinout and Package Definitions
Table 4.1. Pin Definitions for the CP2101
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 Section 9.
GND
3
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 regula-
tor.
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+
4
D I/O
USB D+
D–
5
D I/O
USB D–
TXD
26
D Out
Asynchronous data output (UART Transmit)
RXD
25
D In
Asynchronous data input (UART Receive)
CTS
23*
D In
Clear To Send control input (active low)
RTS
24*
D Out
Ready to Send control output (active low)
DSR
27*
D in
Data Set Ready control input (active low)
DTR
28*
D Out
Data Terminal Ready control output (active low)
DCD
1*
D In
Data Carrier Detect control input (active low)
RI
2*
D In
Ring Indicator control input (active low)
SUSPEND
12*
D Out
This pin is driven high when the CP2101 enters the USB suspend
state.
SUSPEND
11*
D Out
This pin is driven low when the CP2101 enters the USB suspend state.
NC
10, 13–22
These pins should be left unconnected or tied to VDD.
*Note: Pins can be left unconnected when not used.
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