EasySYNC unveils Serial-to-CANbus solution

The dual in-line package (DIP) form factor utilised by the modules means they fit into standard 28-pin, 0.6-inch IC sockets, optimising them for inclusion in OEM designs or on prototyping boards to assist the development process. Each CAN-DP module supports operation through both RS232 and transistor-transistor logic (TTL) serial interfaces and can deal with speeds of up to 1Mbit/s on both their serial and CANbus interfaces.

The integrated electronics used by these modules includes a PIC18F4680 8-bit microcontroller unit (MCU) with ECAN control function and 10-bit analogue-to-digital converter (ADC), plus a MCP2551 CANbus transceiver IC. The MCU runs firmware that converts the data from its serial/UART format to the CANbus protocol. The CANbus transceiver IC converts logic level signals from the PIC microcontroller’s CANbus interface into CANbus physical signals. A set of 3 LED emitters incorporated into the module provide a visual indication of the CANbus status.

Communication is executed via ASCII commands passed to the CANbus controller. The command set utilised is identical to the one employed by EasySYNC’s S1-A-7001 RS232-to-CANbus adaptor, allowing current designs based on that unit to be upgraded without necessitating any change in the software.

The CAN-DP can be powered by a +6 VDC to +15 VDC supply voltage. The module is capable of supporting an operational temperature range of –40 ⁰C to +85 ⁰C and fits onto a compact 18.0 mm x 38.5 mm PCB in order to minimise required board space.


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