CP2103EK Ver la hoja de datos (PDF) - Silicon Laboratories
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CP2103EK Datasheet PDF : 20 Pages
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CP2103
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 EEPROM for vendor ID, product
ID, serial number, power descriptor, release number,
and product description strings
- On-chip power-on reset circuit
- On-chip voltage regulator: 3.3 V output
USB Function Controller
- USB Specification 2.0 compliant; full-speed (12 Mbps)
- USB suspend states supported via 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 1 Mbits
- 576 Byte receive buffer; 640 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 Vista/XP/Server 2003/2000/98SE
- Mac OS-X / OS-9
- Linux
USBXpress™ Direct Driver Support
- Royalty-Free Distribution License
- Windows 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
- Lead free 28-pin QFN (5 x 5 mm)
Ordering Part Number
- CP2103-GM
Temperature Range: –40 to +85 °C
External
voltage supply
or direct
connection
to VDD
USB
CONNECTOR
VBUS 1
D- 2
D+ 3
GND 4
5
VIO
7 REGIN
6 VDD
2 GND
8 VBUS
CP2103
4
IN Voltage
Regulator
OUT
3.3 V
48 MHz
Oscillator
4
D-
3
D+
USB
Transceiver
USB Function
Controller
1024B
EEPROM
640B
TX
Buffer
576B
RX
Buffer
UART
Figure 1. Example System Diagram
Preliminary Rev. 0.3 5/07
Copyright © 2007 by Silicon Laboratories
GPIO_0 19
GPIO_1 18
GPIO_2 17
GPIO_3 16
RST
9
SUSPEND 12
SUSPEND 11
RI
1
DCD
28
DTR
27
DSR
26
TXD
25
RXD
24
RTS
23
CTS
22
(to external circuitry
for status and
control)
(to external circuitry
for USB suspend
states)
External RS-232
transceiver or
UART circuitry
CP2103
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