The search results yielded a few hits, but none of them seemed to directly point to an official datasheet for the "highway09a." There were forum discussions and distributor websites that mentioned the component but lacked the detailed specifications Emily needed.
Signal regulation and protocol conversion. highway09a pdf datasheet
The Highway09A is a System-on-Chip (SoC) designed for automotive applications, including infotainment, navigation, and telematics. It is built on a high-performance, low-power architecture, making it suitable for battery-powered vehicles. The chip integrates a range of interfaces, including USB, SPI, I2C, and CAN, to support connectivity with various peripherals and networks. The search results yielded a few hits, but
| Part Number | Description | | :--- | :--- | | | Standard Unit, 512KB Flash, Uncoated | | HW09A-CONFORM | Conformal Coated (Harsh Environment) | | HW09A-KIT | Unit + Programming Cable + DIN Rail Clip | It is built on a high-performance, low-power architecture,
Reliable data transmission in utility meters.
Check the VIH (Input High Voltage) in the PDF datasheet. If VIH is ≤ 2.0V, yes. If VIH is > 3.5V, you need a level shifter.
The HIGHWAY09A is a 16-pin (PDIP16) integrated circuit by Holtek designed for high-speed signal processing in automotive and industrial applications. Operating with a wide 4.5V to 40V input, it features integrated protections against over-current and thermal issues, commonly used in induction cookers and motor control. Detailed technical specifications and datasheets are available through distributors like Xecor . HIGHWAY09A Holtek | | Xecor