Bosch control keyboard and Bosch DVR/VCR send bi-phase Manchester signal in their own format to control Bosch speed doom. This converter get the data and change to UART format for the MCU to process it.

The MST717 is a highquality ASIC for NTSC / P AL car TV application. It receives analog NTSC / P AL CVBS and S-V ideo inputs from TV tuners, DVD or VCR sources, including weak and distorted signals, as well as analog RGB input from GPS systems.

TM1622 是一种带键盘扫描接口的LED（发光二极管显示器）驱动控制专用电路，内 部集成有MCU 数字接口、数据锁存器、LED 高压驱动、键盘扫描等电路。本产品性能优 良，质量可靠。 主要应用于VCR、VCD、DVD 及家庭影院等产品的显示屏驱动。 采用SOP32 的封装形式。-LED TM1622 is a scanning interface with a keyboard (light-emitting diode display) dedicated drive contr