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CP2104 Función - SINGLE-CHIP USB-TO-UART BRIDGE - Silicon Laboratories

Número de pieza CP2104
Descripción SINGLE-CHIP USB-TO-UART BRIDGE
Fabricantes Silicon Laboratories 
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CP2104 Hoja de datos, Descripción, Manual
CP2104
SINGLE-CHIP USB-TO-UART BRIDGE
Single-Chip USB to UART Data Transfer
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 Function Controller
USB Specification 2.0 compliant; full-speed (12 Mbps)
USB Suspend states supported via SUSPEND and
SUSPEND pins
Asynchronous Serial Data BUS (UART)
All handshaking and modem interface signals
Data formats supported:
- Data bits: 5, 6, 7, and 8
- Stop bits: 1, 1.5, and 2
- Parity: odd, even, mark, space, no parity
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 VDD) using VIO pin
Configurable I/O (VDD to 5 V) using external pull-up
RS-485 mode with bus transceiver control
Virtual COM Port Device Drivers
Works with Existing COM Port PC Applications
Royalty-Free Distribution License
Windows 7®/Vista®/XP®/Server 2003®/2000®
Mac® OS-X
Linux®
USBXpress™ Direct Driver Support
Royalty-Free Distribution License
Windows 7/Vista/XP/Server 2003/2000
Windows CE® 6.0, 5.0, and 4.2
Example Applications
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
Supply Voltage
Self-powered: 3.0 to 3.6 V
USB bus powered: 4.0 to 5.25 V
I/O voltage: 1.8 V to VDD
Package
RoHS-compliant 24-pin QFN (4x4 mm)
Ordering Part Number
CP2104-F03-GM
Temperature Range: –40 to +85 °C
External
voltage supply
or direct
connection
to VDD
USB
CONNECTOR
VBUS
D-
D+
GND
Rev. 1.1 11/13
VIO
REGIN
VDD
GND
VBUS
D-
D+
VPP
IN Voltage
Regulator
OUT
CP2104
4
48 MHz
Oscillator
USB
Transceiver
USB Function
Controller
1024B
PROM
576B 576B
TX RX
Buffer Buffer
UART
Figure 1. Example System Diagram
GPIO.0
GPIO.1
GPIO.2
GPIO.3
RST
SUSPEND
SUSPEND
RI
DCD
DTR
DSR
TXD
RXD
RTS
CTS
Copyright © 2013 by Silicon Laboratories
(to external circuitry
for status and
control)
(to external circuitry
for USB suspend
states)
External RS-232
transceiver or
UART circuitry
CP2104





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