產品介紹 |
• Single Chip USB ó Asynchronous Serial Data Transfer |
• Full Handshaking & Modem Interface Signals |
• UART I/F Supports 7 / 8 Bit Data, 1 / 2 Stop Bits |
and Odd/Even/Mark/Space/No Parity |
• Data rate 300 => 3M Baud (TTL) |
• Data rate 300 => 1M Baud (RS232) |
• Data rate 300 => 3M Baud (RS422/RS485) |
• 384 Byte Receive Buffer / 128 Byte Transmit Buffer for |
high data throughput |
• Adjustable RX buffer timeout |
• Fully Assisted Hardware or X-On / X-Off Handshaking |
• In-built support for event characters and line break condition |
• Auto Transmit Buffer control for RS485 |
• Support for USB Suspend / Resume through SLEEP# and RI# pins |
• Support for high power USB Bus powered devices through PWREN# pin |
• Integrated level converter on UART logic |
and control signals for interfacing to 5V and 3.3V |
• Integrated 3.3V regulator for USB IO |
• Integrated Power-On-Reset circuit |
• Integrated 6MHz – 48Mhz clock multiplier PLL |
• USB Bulk or Isochronous data transfer modes |
• 4.35V to 5.25V single supply operation |
• UHCI / OHCI / EHCI host controller compatible |
• USB 1.1 and USB 2.0 compatible |
• USB VID, PID, Serial Number |
and Product Description strings in external EEPROM |
• EEPROM programmable on-board via USB |
• Compact Lead free RoHS compliant 32-LD LQFP package. |
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Datasheet: |