CAN Isolator click

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Product Code: MIKROE-2627
MPN: MIKROE-2627

CAN Isolator click provides isolated CAN communication. It carries the ADM3053...more

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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					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