cp2104 Silicon Laboratories, cp2104 Datasheet
cp2104
Manufacturer Part Number
cp2104
Description
Single Chip Usb To Uart Bridge
Manufacturer
Silicon Laboratories
Datasheet
1.CP2104.pdf
(2 pages)
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Single-Chip USB to UART Data Transfer
-
-
-
-
-
USB Function Controller
-
-
Asynchronous Serial Data BUS (UART)
-
-
-
-
-
-
-
-
-
Interface
CONNECTOR
voltage supply
connection
Integrated USB transceiver; no external resistors
required
Integrated clock; no external crystal required
Integrated 1024-Byte One-Time Programmable ROM
for customizable product information
On-chip power-on reset circuit
On-chip voltage regulator: 3.45 V output
USB Specification 2.0 compliant; full-speed (12 Mbps)
USB suspend states supported via SUSPEND and
SUSPEND pins
All handshaking and modem interface signals
Data formats supported:
Baud rates: 300 bps to 2 Mbits
576 Byte receive buffer; 576 byte transmit buffer
Hardware or X-On/X-Off handshaking supported
Four GPIO signals for status and control
Configurable I/O (1.8 V to V
Configurable I/O (V
RS-485 mode with bus transceiver control
External
or direct
USB
to VDD
- Data bits: 5, 6, 7, and 8
- Stop bits: 1, 1.5, and 2
- Parity: odd, even, mark, space, no parity
VBUS
GND
D+
D-
DD
REGIN
VBUS
GND
VDD
VPP
VIO
D+
D-
to 5 V) using external pull-up
DD
) using V
Transceiver
IN
USB
Copyright © 2010 by Silicon Laboratories
Regulator
Voltage
OUT
IO
Oscillator
48 MHz
pin
PROM
1024B
USB Function
Controller
Buffer
576B
CP2104
TX
Buffer
576B
RX
Virtual COM Port Device Drivers
-
-
-
-
-
USBXpress™ Direct Driver Support
-
-
-
Example Applications
-
-
-
-
-
Supply Voltage
-
-
-
Package
-
Ordering Part Number
-
Temperature Range: –40 to +85 °C
Works with Existing COM Port PC Applications
Royalty-Free Distribution License
Windows 7
Mac
Linux
Royalty-Free Distribution License
Windows Vista/XP/Server 2003/2000
Windows CE
Upgrade of RS-232 legacy devices to USB
Upgrade of RS-485 legacy devices to USB
Cellular phone USB interface cable
PDA USB interface cable
USB to RS-232 serial adapter
Self-powered: 3.0 to 3.6 V
USB bus powered: 4.0 to 5.25 V
I/O voltage: 1.8 V to V
RoHS-compliant 24-pin QFN (4x4 mm)
CP2104-F03-GM
4
®
®
OS-X
Single Chip USB to UART Bridge
UART
®
/Vista
®
6.0, 5.0, and 4.2
®
/XP
DD
®
/Server 2003
SUSPEND
SUSPEND
GPIO.0
GPIO.1
GPIO.2
GPIO.3
RST
DCD
DTR
DSR
RXD
TXD
RTS
CTS
RI
CP2104
®
(to external circuitry
for status and
control)
External RS-232
/2000
(to external circuitry
for USB suspend
states)
UART circuitry
transceiver or
®
11.5.2010
Related parts for cp2104
cp2104 Summary of contents
Page 1
... CP2104 4 Voltage Regulator OUT 48 MHz Oscillator USB Function Controller 576B 576B 1024B TX RX PROM Buffer Buffer Copyright © 2010 by Silicon Laboratories CP2104 ® ® ® ® ® /Vista /XP /Server 2003 /2000 ® 6.0, 5.0, and 4.2 DD GPIO.0 (to external circuitry GPIO.1 for status and control) GPIO ...
Page 2
... Selected Electrical Specifications –40 to +85 °C unless otherwise specified. Parameter Input Voltage Range (REGIN) Regulator Output Voltage VBUS Detection Input Threshold Bias Current *Note: The maximum regulator supply current is 100 mA. This includes the supply current of the CP2104. Package Information RI 1 GND 2 D+ ...