CP2101-GMR Silicon Labs

5 6 2 3 CP2101 Single-Chip USB to UART Bridge Single-Chip USB to UART Data Transfer Virtual COM Port Device Drivers - Integrated USB Transceiver No External Resistors - Works with Existing COM Port PC Applications Required - Royalty-Free Distribution License - Integrated Clock No External Crystal Required - Windows Vista/XP/Server 2003/2000/98SE - Integrated 512-Byte EEPROM for Vendor ID, - Mac OS-X/OS-9 Product ID, Serial Number, Power Descriptor, - Linux 2.40 Release Number and Product Description Strings - On-Chip Power-On Reset Circuit USBXpress Direct Driver Support - On-Chip Voltage Regulator: 3.3 V Output - Royalty-Free Distribution License - Windows Vista/XP/Server 2003/2000 USB Function Controller - Windows CE 6.0, 5.0, and 4.2 - USB Specification 2.0 Compliant Full Speed (12 Mbps) Example Applications - USB suspend states supported via SUSPEND pins - Upgrade of RS-232 Legacy Devices to USB Asynchronous Serial Data BUS (UART) - Cellular Phone USB Interface Cable - All Handshaking and Modem Interface Signals - PDA USB Interface Cable - Data Formats Supported: - USB to RS-232 Serial Adapter Data Bits: 8 Supply Voltage Stop Bits: 1 Parity: Odd, Even, No Parity - Self-powered: 3.0 to 3.6 V - Baud Rates: 300 bps to 921.6 kbps - USB Bus Powered: 4.0 to 5.25 V - 512 Byte Receive Buffer 512 Byte Transmit Buffer Package - Hardware or X-On / X-Off Handshaking Supported - Pb-free 28-pin QFN (5 x 5 mm) - Event Character Support Ordering Part Number - CP2101-GM Temperature Range: -40 to +85 C Note: The CP2101 is a mature product and is not rec- ommended for new designs. The CP2102 is a pin and software compatible alternative for the CP2101. The CP2102 is recommended for all new designs. VDD CP2101 7 Voltage REGIN IN Regulator 9 RST OUT (to external circuitry 12 SUSPEND for USB suspend states) 3.3 V 6 11 VDD SUSPEND GND 2 RI 48 MHz 1 DCD 8 External RS-232 VBUS Oscillator USB 28 transceiver or DTR CONNECTOR UART circuitry 27 DSR 1 VBUS UART 5 26 D TXD D USB USB Function D+ 4 Transceiver Controller 25 D+ RXD 4 GND 512B 512B 24 RTS 512B TX RX D1 D2 D3 EEPROM 23 Buffer Buffer CTS Example System Diagram Rev. 1.8 5/07 Copyright 2007 by Silicon Laboratories CP2101 3CP2101 2 Rev. 1.8