CP2109-A01-GM View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
Manufacturer
CP2109-A01-GM Datasheet PDF : 26 Pages
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CP2102/9
SINGLE-CHIP USB-TO-UART BRIDGE
For newer designs, the CP2102N devices offer compatible footprints and are recommended for use instead
of the CP2102/9. See the Silicon Labs website (www.silabs.com/usbxpress) for more information.
Single-Chip USB to UART Data Transfer
- Integrated USB transceiver; no external resistors
required
- Integrated clock; no external crystal required
- Internal 1024-byte programmable ROM for vendor ID,
product ID, serial number, power descriptor, release
number, and product description strings
- EEPROM (CP2102)
- EPROM (One-time programmable) (CP2109)
- On-chip power-on reset circuit
- On-chip voltage regulator
- 3.3 V output (CP2102)
- 3.45 V output (CP2109)
- 100% pin and software compatible with CP2101
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 Mbps
- 576 Byte receive buffer; 640 byte transmit buffer
- Hardware or X-On/X-Off handshaking supported
- Event character support
- Line break transmission
Virtual COM Port Device Drivers
- Works with existing COM port PC Applications
- Royalty-free distribution license
- Windows 8/7/Vista/Server 2003/XP/2000
- Mac OS-X/OS-9
- Linux
USBXpress™ Direct Driver Support
- Royalty-Free Distribution License
- Windows 7/Vista/XP/Server 2003/2000
- Windows CE
Example Applications
- Upgrade of RS-232 legacy devices to USB
- Cellular phone USB interface cable
- 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
Package
- RoHS-compliant 28-pin QFN (5x5 mm)
Ordering Part Numbers
- CP2102-GM
- CP2109-A01-GM
Temperature Range: –40 to +85 °C
USB
CONNECTOR
VBUS 1
D- 2
D+ 3
GND 4
7 REGIN
6 VDD
3 GND
8 VBUS
IN
Voltage
Regulator
OUT
CP2102/9
3.3 – 3.45 V
48 MHz
Oscillator
5
D-
4
D+
D1 D2 D3
18 VPP
USB
Transceiver
USB Function
Controller
1024B
PROM
640B 576B
TX RX
Buffer Buffer
UART
*CP2109 only
Figure 1. Example System Diagram
Rev. 1.8 1/17
Copyright © 2017 by Silicon Laboratories
VDD
RST
9
(to external
SUSPEND
12
circuitry for
USB
SUSPEND 11 suspend
states)
RI
2
DCD
1
External
RS-232
DTR
28 transceiver
or UART
DSR
27 circuitry
TXD
26
RXD
25
RTS
24
CTS
23
CP2102/9
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