CAN Isolator click

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  • MIKROE-2627
  • MIKROE-2627
CAN Isolator click  provides isolated CAN communication. It carries the  ADM3053... more
Product information "CAN Isolator click"
CAN Isolator click provides isolated CAN communication. It carries the ADM3053 signal and power isolated CAN transceiver with an integrated isolated DC-to-DC converter. The click is designed to run on either 3.3V or 5V power supply. CAN Isolator click communicates with the target microcontroller over UART interface.

The click carries a DB 9-pin male connector.

ADM3053 features

The ADM3053 is an isolated controller area network (CAN) physical layer transceiver with an integrated isolated DC-to-DC converter.

The ADM3053 creates a fully isolated interface between the CAN protocol controller and the physical layer bus. It is capable of running at data rates of up to 1 Mbps.

Connector features

This is a standard DB 9-pin male connector.

Specifications

Type CAN,Isolator
Applications CAN data buses, Industrial field networks
On-board modules ADM3053 CAN transceiver, DB 9-pin connector
Key Benefits No need for an external supply for the isolated side
Interface UART
Input Voltage 3.3V or 5V
Compatibility mikroBUS
Click board size L (57.15 x 25.4 mm)

Pinout diagram

This table shows how the pinout on CAN Isolator click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes Pin Mikrobus logo.png Pin Notes
  NC 1 AN PWM 16 NC  
  NC 2 RST INT 15 NC  
  NC 3 CS TX 14 RXD Receiver Output Data
  NC 4 SCK RX 13 TXD Driver Input Data
  NC 5 MISO SCL 12 NC  
  NC 6 MOSI SDA 11 NC  
Power supply +3.3V 7 3.3V 5V 10 +5V Power supply
Ground GND 8 GND GND 9 GND Ground

Jumpers and settings

Designator Name Default Position Default Option Description
JP1 VIO.SEL. Left 3V3 Power Supply Voltage Selection 3V3/5V, left position 3V3, right position 5V
JP2 SLOPE SEL Left HI Slope select, default high rate, right option the slope is limited

Programming

Code snippet

Example of CAN confgiration - PIC32

01 // set required baud rate and sampling rules
02 unsigned int can_config_flags;
03 CAN1SetOperationMode(_CAN_MODE_CONFIG,0xFF);
04 can_config_flags = _CAN_CONFIG_SAMPLE_THRICE &
05                    _CAN_CONFIG_PHSEG2_PRG_ON &
06                    _CAN_CONFIG_STD_MSG &
07                    _CAN_CONFIG_MATCH_MSG_TYPE &
08                    _CAN_CONFIG_LINE_FILTER_OFF;
09 CAN1SetBaudRate(1,3,3,3,1,can_config_flags);
10 CAN1ConfigureFIFO(_CAN_BUFFER_0, 8,_CAN_FIFO_RX & _CAN_FULL_MESSAGE);
11 CAN1ConfigureFIFO(_CAN_BUFFER_1, 8,_CAN_FIFO_TX & _CAN_TX_PRIORITY_3 & _CAN_TX_NO_RTR_FRAME);
12 CAN1SetMask(_CAN_MASK_0, -1, _CAN_CONFIG_MATCH_MSG_TYPE & _CAN_CONFIG_XTD_MSG);
13 CAN1SetFilter(_CAN_FILTER_31, ID_1st, _CAN_MASK_3, _CAN_BUFFER_0, _CAN_CONFIG_XTD_MSG);
14 CAN1FilterEnable(0x1111);

Downloads

 mikroBUS™ Standard specification 

 Learn article: CAN Bus

 ADM3053 datasheet

 CAN Isolator click schematic

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