cp2105 Silicon Laboratories, cp2105 Datasheet
cp2105
Manufacturer Part Number
cp2105
Description
Single Chip Usb To Dual Uart Bridge
Manufacturer
Silicon Laboratories
Datasheet
1.CP2105.pdf
(2 pages)
Available stocks
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Manufacturer
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Price
Company:
Part Number:
cp2105-F01-GM
Manufacturer:
Silicon
Quantity:
3 015
Part Number:
cp2105-F01-GMR
Manufacturer:
SILICON LABS/芯科
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15
Single-Chip USB to Dual UART Data Transfer
USB Peripheral Function Controller
Two UART Interfaces (“Enhanced” and “Stan-
dard”)
Enhanced UART Interface Features
-
Interface
External Supply
Connector
(1.8V to VDD)
VBUS
Connect to
Logic Level
GND
VBUS or
USB
Supply
D+
RS-485 mode with bus transceiver control
D-
required
for storing customizable product information
(12 Mbps)
- Hardware (CTS / RTS)
- Software (X-On / X-Off)
- No flow control
All modem interface signals available (when GPIO is
not used)
- Data bits: 5, 6, 7, and 8
- Stop bits: 1, 1.5, and 2
- Parity: odd, even, mark, space, no parity
Integrated USB transceiver; no external resistors
Integrated clock; no external crystal required
Integrated 296-Byte One-Time Programmable ROM
On-chip power-on reset circuit
On-chip voltage regulator: 3.45 V output
USB Specification 2.0 compliant; full-speed
USB Suspend states supported via SUSPEND pins
Flow control options:
Configurable I/O (1.8 V to V
Configurable I/O (V
Data formats supported:
Baud rates: 300 bps to 2.0 Mbps
320 Byte receive and transmit buffers
Two GPIO signals for status and control
REGIN
VDD
GND
VBUS
D+
D-
RST
VIO
DD
Regulator
Voltage
Transceiver
Full-Speed
to 5 V) using external pull-up
12 Mbps
(Product Customization)
USB Interface
296 Byte PROM
I/O Power and Logic Levels
DD
) using V
Copyright © 2010 by Silicon Laboratories
Peripheral
Controller
Oscillator
Function
48 MHz
IO
pin
Data FIFOs
Baud Rate
Generator
320 B RX
320 B TX
288 B RX
288 B TX
CP2105
Standard UART Interface Features
Virtual COM Port Device Drivers
USBXpress™ Direct Driver Support
Supply Voltage
Package
Ordering Part Number
Temperature Range: –40 to +85 °C
Single Chip USB to Dual UART Bridge
Data format: 8 data bits, 1 Stop bit
Parity: Even, Odd, No parity
Baud rates: 2400 bps to 921600 bps
288 Byte receive and transmit buffers
Three GPIO signals for status and control
Works with Existing COM Port PC Applications
Royalty-Free Distribution License
Windows 7/Vista/XP/Server 2003/2000
Mac OS-X
Linux
Royalty-Free Distribution License
Windows 7/Vista/XP/Server 2003/2000
Windows CE 6.0, 5.0, and 4.2
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 (4 x 4 mm)
CP2105-F01-GM
Enhanced UART
GPIO
GPIO
Standard UART
ECI Clock
SCI Clock
Control
Control
/ Handshake
(ECI)
(SCI)
/ Handshake
6
6
DD
GPIO.0_SCI
GPIO.2_SCI
GPIO.1_ECI
GPIO.1_SCI
GPIO0_ECI
NC
SUSPEND
SUSPEND
/ DCD_ECI / VPP
/ DCD_SCI
/ DSR_SCI
/ DTR_ECI
/ DSR_ECI
/ DTR_SCI
RXD_ECI
RXD_SCI
RTS_ECI
CTS_ECI
TXD_ECI
TXD_SCI
RTS_SCI
CTS_SCI
/ RI_ECI
/ RI_SCI
CP2105
11.5.2010
Enhanced
and GPIO
and GPIO
Standard
Signals
Signals
UART
UART
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cp2105 Summary of contents
Page 1
... Data FIFOs Peripheral 320 B RX Enhanced UART Function 320 B TX (ECI) Controller Standard UART 288 B RX (SCI) 288 B TX GPIO / Handshake Control Copyright © 2010 by Silicon Laboratories CP2105 DD SUSPEND / RI_ECI NC / DCD_ECI / VPP GPIO0_ECI / DTR_ECI Enhanced GPIO.1_ECI / DSR_ECI 6 UART RTS_ECI and GPIO Signals ...
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 CP2105. Package Information SUSPEND / RI_SCI 1 GND 2 D+ ...