CP2102-GMR Silicon Labs

5 6 2 3 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 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 8/7/Vista/Server 2003/XP/2000 - Internal 1024-byte programmable ROM for vendor ID, - Mac OS-X/OS-9 product ID, serial number, power descriptor, release - Linux number, and product description strings USBXpress Direct Driver Support - EEPROM (CP2102) - EPROM (One-time programmable) (CP2109) - Royalty-Free Distribution License - On-chip power-on reset circuit - Windows 7/Vista/XP/Server 2003/2000 - On-chip voltage regulator - Windows CE - 3.3 V output (CP2102) - 3.45 V output (CP2109) Example Applications - 100% pin and software compatible with CP2101 - Upgrade of RS-232 legacy devices to USB - Cellular phone USB interface cable USB Function Controller - USB interface cable - USB Specification 2.0 compliant full-speed (12 Mbps) - USB to RS-232 serial adapter - USB suspend states supported via SUSPEND pins Supply Voltage Asynchronous Serial Data BUS (UART) - Self-powered: 3.0 to 3.6 V - All handshaking and modem interface signals - USB bus powered: 4.0 to 5.25 V - Data formats supported: - Data bits: 5, 6, 7, and 8 Package - Stop bits: 1, 1.5, and 2 - RoHS-compliant 28-pin QFN (5x5 mm) - Parity: odd, even, mark, space, no parity - Baud rates: 300 bps to 1 Mbps Ordering Part Numbers - 576 Byte receive buffer 640 byte transmit buffer - CP2102-GM - Hardware or X-On/X-Off handshaking supported - CP2109-A01-GM - Event character support - Line break transmission Temperature Range: 40 to +85 C VDD CP2102/9 7 Voltage REGIN IN Regulator 9 RST (to external OUT 12 circuitry for SUSPEND USB 3.3 3.45 V 6 11 suspend VDD SUSPEND states) GND 2 RI External 48 MHz 1 DCD 8 RS-232 VBUS Oscillator USB 28 transceiver DTR CONNECTOR or UART 27 DSR circuitry 1 VBUS UART 5 26 D- D- USB USB Function TXD D+ 4 Transceiver Controller 25 D+ RXD 4 GND 640B 576B 24 RTS 1024B TX RX D1 D2 D3 PROM 23 Buffer Buffer CTS 18 VPP *CP2109 only Figure 1. Example System Diagram Rev. 1.8 1/17 Copyright 2017 by Silicon Laboratories CP2102/9 3CP2102/9 2 Rev. 1.8