The MA112 is a USB to UART Data Bridge controller. It includes a USB 2.0 full-speed function controller, USB transceiver, and 5V to 3.3V regulator. The UART function only supports the TXD and RDX on the RS-232 connection. Better than CH340. Operates without crystal.
Features:
- Standard USB Virtual COM Port device
- USB Full speed (12Mbps) operation and USB specification 2.0 compliant
- Built-in USB transceiver
- Integrated clock recovery, no external crystal required
- USB suspend states reported via UPD/nUPD pins
- Line Break detection and transmission
- Support multi-processor communication