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| CP2101 DESCRIPTION The CP2101 is a highly-integrated USB-to-UART Bridge Controller providing a simple solution for updating RS232 designs to USB using a minimum of components and PCB space. The CP2101 includes a USB 2.0 full-speed function controller, USB transceiver, oscillator, EEPROM and asynchronous serial data bus (UART) with full modem control signals in a compact 5mm X 5mm MLP-28 package. No other external USB components are required. Single Chip USB to UART Bridge Preliminary FEATURES USB Function Controller and Transceiver USB Specification 2.0 Compliant; Full-Speed (12 Mbps) Integrated 512 Byte EEPROM for Vendor ID, etc. Integrated Transceiver; No External Resistors Required Integrated Clock; No External Crystal Required USB suspend states supported via SUSPEND pins EXAMPLE APPLICATIONS Upgrade of RS-232 Legacy Devices to USB Cellular Phone USB Interface Cable PDA USB Interface Cable USB to RS-232 Serial Adapter Asynchronous Serial Data Bus (UART) All Handshaking and Modem Interface Signals Data Formats Supported: 8-bit; 1 Stop bit Parity: Odd, Even, No Parity Baud Rates: 300bps to 921.6kbps 512 Byte Receive Buffer; 512 Byte Transmit Buffer Hardware X-On / X-Off Handshaking Event Character Support VIRTUAL COM PORT DRIVERS Works with Existing COM Port Applications Royalty-Free Distribution License Windows 98/Me/2000/XP MAC OS-9 MAC OS-X Windows CE * Linux 2.40 and greater * Power-On Reset Circuit Supply Voltage Self-powered: 3.0V to 3.6V USB Bus Powered: 4.0V to 5.25V Temperature Range: -40C to +85C 28-Pin MLP (5mm X 5mm) * (Contact factory for availability) Example Circuit Diagram CP2101 7 C2 1uF REGIN IN Voltage Regulator OUT MODE /RST SUSPEND 9 12 11 6 C1 4.7uF TANT 3.3V VDD (to external circuitry for USB suspend states) /SUSPEND 3 GND RI 2 1 28 27 26 25 24 23 USB CONNECTOR VBUS DD+ GND 1 2 3 4 8 C3 0.1uF VBUS 48MHz Oscillator DCD DTR DSR 5 4 UART DD+ USB Transceiver USB Function Controller 512B EEPROM 512B Xmit Buffer 512B Rcv Buffer TXD RXD RTS CTS External RS-232 transceiver or UART circuitry 8.14.2003 CP2101 Single Chip USB to UART Bridge Preliminary SELECTED ELECTRICAL SPECIFICATIONS TA = -40C to +85C, VREGIN = 5.0V unless otherwise specified. PARAMETER CONDITIONS MIN TYP MAX UNITS Regulator Input Voltage (REGIN) VDD (Regulator Output) IDD (Regulator Output) Regulator Bias Current Supply Current (from REGIN) 4.0 3.0 3.3 80 70 18 90 5.25 3.6 V V mA A mA A USB active USB suspend mode PACKAGE DRAWING Bottom View L 7 PINOUT Pin Number 1 2 3 4 5 6 7 8 9 11 12 14 23 24 25 26 27 28 10,13, 15-22 Signal DCD RI GND D+ DVDD REGIN VBUS /RST /SUSPEND SUSPEND MODE CTS RTS RXD TXD DSR DTR No Connect 15 D2 D2 2 E2 R 19 20 DETAIL 1 28 27 26 25 24 23 22 21 16 17 18 6xe E 6 5 4 e b E2 2 3 2 1 6xe D A A1 A2 A3 b D D2 E E2 e L N ND NE R AA BB CC DD MIN 0.80 0 0 0.18 2.90 2.90 0.45 MM TYP 0.90 0.02 0.65 0.25 0.23 5.00 3.15 5.00 3.15 0.5 0.55 28 7 7 0.435 0.435 0.18 0.18 10 12 13 11 14 8 9 MAX 1.00 0.05 1.00 0.30 3.35 3.35 0.65 0.09 Side View A2 A DETAIL 1 AA BB A3 A1 e CP2101EK Evaluation Kit - a complete HW/SW demonstration of the CP2101 chip and associated software drivers. The CP2101EK includes: - CP2101TB Circuit Board: with USB connector, CP2101 chip, RS-232 transceiver, and DB-9 connector - CD ROM with Device Drivers - USB cable - RS-232 cable DD CC CP2101EK EVALUATION KIT 8.14.2003 |
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