Datasheet FT232R (FTDI) - 4

制造商FTDI
描述USB UART IC
页数 / 页40 / 4 — FT232R USB UART IC Datasheet. Version 2.16. FT232R Block Diagram. VCC. …
修订版2.16
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FT232R USB UART IC Datasheet. Version 2.16. FT232R Block Diagram. VCC. SLEEP#. Baud Rate. 48MHz. Generator. 3.3 Volt. 3V3OUT. LDO. FIFO RX

FT232R USB UART IC Datasheet Version 2.16 FT232R Block Diagram VCC SLEEP# Baud Rate 48MHz Generator 3.3 Volt 3V3OUT LDO FIFO RX

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FT232R USB UART IC Datasheet Version 2.16
Document No.: FT_000053 Clearance No.: FTDI# 38
2 FT232R Block Diagram VCC SLEEP# Baud Rate 48MHz Generator 3.3 Volt 3V3OUT LDO FIFO RX Regulator Buffer DBUS0 DBUS1 DBUS2 DBUS3 DBUS4 USB UART Controller Transceiver DBUS5 USBDP Serial Interface with with DBUS6 USB UART Engine Programmable Integrated Protocol Engine FIFO Controller DBUS7 ( SIE ) Signal Inversion Series USBDM Resistors and 1.5K CBUS0 Pull- up CBUS1 CBUS2 CBUS3 Internal CBUS4 EEPROM USB DPLL 3V3OUT FIFO TX Buffer OSCO (optional) Internal x4 Clock RESET# Reset 12MHz 48MHz Multiplier Generator OCSI Oscillator To USB Transeiver Cell (optional) TEST GND Figure 2.1 FT232R Block Diagram
For a description of each function please refer to Section
4
. Copyright © Future Technology Devices International Limited 4 Document Outline 1 Typical Applications 1.1 Driver Support 1.2 Part Numbers 1.3 USB Compliant 2 FT232R Block Diagram 3 Device Pin Out and Signal Description 3.1 28-LD SSOP Package 3.2 SSOP Package Pin Out Description 3.3 QFN-32 Package 3.4 QFN-32 Package Signal Description 3.5 CBUS Signal Options 4 Function Description 4.1 Key Features 4.2 Functional Block Descriptions 5 Devices Characteristics and Ratings 5.1 Absolute Maximum Ratings 5.2 DC Characteristics 5.3 EEPROM Reliability Characteristics 5.4 Internal Clock Characteristics 5.5 Thermal Characteristics 6 USB Power Configurations 6.1 USB Bus Powered Configuration 6.2 Self Powered Configuration 6.3 USB Bus Powered with Power Switching Configuration 6.4 USB Bus Powered with Selectable External Logic Supply 7 Application Examples 7.1 USB to RS232 Converter 7.2 USB to RS485 Converter 7.3 USB to RS422 Converter 7.4 USB to MCU UART Interface 7.5 LED Interface 7.6 Using the External Oscillator 8 Internal EEPROM Configuration 9 Package Parameters 9.1 SSOP-28 Package Dimensions 9.2 QFN-32 Package Dimensions 9.3 Solder Reflow Profile 10 Alternative Parts 11 Contact Information Appendix A – References Document References Acronyms and Abbreviations Appendix B – List of Figures and Tables List of Figures List of Tables Appendix C – Revision History