Single-Chip USB to UART Data Transfer
?? Integrated USB transceiver; no external resistors
required
?? Integrated clock; no external crystal required
?? Integrated 1024-Byte EEPROM for vendor ID, product
ID, serial number, power descriptor, release number,
and product description strings
?? On-chip power-on reset circuit
?? On-chip voltage regulator: 3.3 V output
USB Function Controller
?? USB Specification 2.0 compliant; full-speed (12 Mbps)
?? USB suspend states supported via SUSPEND pins
Asynchronous Serial Data BUS (UART)
?? All handshaking and modem interface signals
?? Data formats supported:
- Data bits: 5, 6, 7, and 8
- Stop bits: 1, 1.5, and 2
- Parity: odd, even, mark, space, no parity
?? Baud rates: 300 bps to 1 Mbits
?? 576 Byte receive buffer; 640 byte transmit buffer
?? Hardware or X-On/X-Off handshaking supported
?? Four GPIO signals for status and control
?? Configurable I/O (1.8 V to VDD) using VIO pin
?? Configurable I/O (VDD to 5 V) using external pull-up
?? RS-485 mode with bus transceiver control