| 製品概要 |
USB 2.0 to Two Serial Port
General Description ：
The MCS7820 is a USB 2.0 to Dual-Serial Port device.
It has been developed to connect a wide range of standard serial devices to
a USB host. The MCS7820 has a USB device controller connected to two (2) individual UARTs.
Features：
USB 2.0 Device Controller.
On-Chip USB 2.0 PHY.
Two (2) 16c450/16c550 compatible UARTS.
Supports RS-232, RS-422 and RS-485 Serial Ports.
5, 6, 7 & 8-bit Serial format support.
Supports hardware and software flow control.
Standard serial port speeds from 75 bps to 6 Mbits/sec. Customer-specified Baud rates are also supported.
Dual data FIFOs for upstream and downstream data transfers.
Supports Remote-Wakeup and Power Management features.
Serial Port transceiver shutdown support.
Two-wire I2C Interface for EEPROM.
Supports write access for external EEPROM.
Without EEPROM, Selectable option to get default Serial Number or No Serial Number.
Two Bi-directional multi-function GPIO Lines.
Supports 8-Byte (UNICODE) Serial Number.
On-Chip buffers for Serial port signals can operate without external Transceivers over short cable lengths |
