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PDF CP2103 Data sheet ( Hoja de datos )
| Número de pieza | CP2103 | |
| Descripción | SINGLE-CHIP USB TO UART BRIDGE | |
| Fabricantes | Silicon Laboratories | |
| Logotipo |  |
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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
4 D-
3 D+
CP2103
IN
Voltage
Regulator
OUT
3.3 V
4
48 MHz
Oscillator
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
GPIO_1
GPIO_2
GPIO_3
19
18
17
16
RST
9
SUSPEND 12
SUSPEND 11
RI
DCD
DTR
DSR
TXD
RXD
RTS
CTS
1
28
27
26
25
24
23
22
(to external circuitry
for status and
control)
(to external circuitry
for USB suspend
states)
External RS-232
transceiver or
UART circuitry
CP2103
1 page  
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CP2103
2. Absolute Maximum Ratings
Table 1. Absolute Maximum Ratings
Parameter
Conditions Min Typ Max Units
Ambient temperature under bias
Storage Temperature
Voltage on any I/O Pin or RST with respect to GND
Voltage on VDD or VIO with respect to GND
Maximum Total current through VDD, VIO, and GND
Maximum output current sunk by RST or any I/O pin
–55 — 125 °C
–65 — 150 °C
–0.3 —
5.8
V
–0.3 —
4.2
V
— — 500 mA
— — 100 mA
Note: Stresses above those listed may cause permanent damage to the device. This is a stress rating only, and functional
operation of the devices at or exceeding the conditions in the operation listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods may affect device reliability.
3. Global DC Electrical Characteristics
Table 2. Global DC Electrical Characteristics
VDD = 3.0 to 3.6 V, –40 to +85 °C unless otherwise specified.
Parameter
Conditions
Min Typ
Supply Voltage (VDD)
Supply Voltage (VIO)
Supply Current1
Supply Current1
Supply Current - USB Pull-up2
VIO Supply Current
Specified Operating Temperature Range
Normal Operation;
VREG Enabled
Suspended;
VREG Enabled
VBUS = 0
VDD = 0
VIO = 3.0 V
3.0
1.8
—
—
—
—
–40
3.3
3.3
20
80
200
500
—
Notes:
1. USB Pull-up Current should be added for total supply current.
2. The USB Pull-up supply current values are calculated values based on USB specifications.
Max
3.6
VDD
26
Units
V
V
mA
100 µA
228 µA
— µA
+85 °C
Preliminary Rev. 0.3
5
5 Page 
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CP2103
Figure 5. Typical QFN-28 Solder Paste Diagram
Preliminary Rev. 0.3
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet CP2103.PDF ] | |
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