CP2101EK Silicon Laboratories Inc, CP2101EK Datasheet - Page 7

• Manufacturer Part Number: CP2101EK
• Description: KIT DEVELOPMENT RS232 TO USB
• Manufacturer: Silicon Laboratories Inc

Specifications of CP2101EK

• Processor To Be Evaluated: CP2101
• Interface Type: RS-232, USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 336-1076; CP2101EK; Q1572300

4.
SUSPEND
SUSPEND
*Note: Pins can be left unconnected when not used.
REGIN
Name
VBUS
GND
RXD
DSR
DCD
RST
TXD
CTS
RTS
DTR
V
NC
D+
D–
RI
DD
Pinout and Package Definitions
10, 13–22
Pin #
23*
24*
27*
28*
12*
11*
26
25
1*
2*
6
3
9
7
8
4
5
Power Out
Power In
Power In 5 V Regulator Input. This pin is the input to the on-chip voltage regula-
D Out
D Out
D Out
D Out
D Out
D I/O
D I/O
D I/O
Type
D In
D In
D In
D in
D In
D In
Table 4.1. Pin Definitions for the CP2101
3.0–3.6 V Power Supply Voltage Input.
3.3 V Voltage Regulator Output. See Section 9.
Ground
Device Reset. Open-drain output of internal POR or V
external source can initiate a system reset by driving this pin low for at
least 15 µs.
tor.
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.
USB D+
USB D–
Asynchronous data output (UART Transmit)
Asynchronous data input (UART Receive)
Clear To Send control input (active low)
Ready to Send control output (active low)
Data Set Ready control input (active low)
Data Terminal Ready control output (active low)
Data Carrier Detect control input (active low)
Ring Indicator control input (active low)
This pin is driven high when the CP2101 enters the USB suspend
state.
This pin is driven low when the CP2101 enters the USB suspend state.
These pins should be left unconnected or tied to V
Rev. 1.8
Description
DD
.
DD
CP2101
monitor. An
7