Mikroelektronika d.o.o.
MCP2517FD Click-Platine
MCP2517FD Click-Platine
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Key Features:
- Erweitert die vorhandene MCU um die zuverlässige und robuste CAN-Konnektivitätsoption, Unterstützung für CAN 2.0B- und CAN FD-Frames, Hochgeschwindigkeits-CAN-Kommunikation mit bis zu 5 Mbit/s, integrierten DE-9-Anschluss, Oszillatorauswahl und mehr
- Basierend auf dem MCP2517FD – externer CAN-FD-Controller mit SPI-Schnittstelle von Microchip ATA6563 – Hochgeschwindigkeits-CAN-Transceiver von Microchip
- Kann für die Entwicklung einer breiten Palette von Kfz-Diagnoseanwendungen verwendet werden, sogar auf MCUs, die keine CAN-Schnittstelle unterstützen
- mikroBUS: SPI-, GPIO- und PWM-Schnittstellen
Der MCP2517FD Click Board™ ist eine komplette CAN-Lösung, die den MCP2517FD CAN-FD-Controller und den Hochgeschwindigkeits-CAN-Transceiver ATA6563 von Microchip sowie einen 9-poligen DB9-Anschluss enthält.
Das MCP2517FD Click Board™ Click Board™ benötigt sowohl eine 3,3-V- als auch eine 5-V-Stromversorgung. Es kommuniziert mit dem Zielmikrocontroller über die SPI-Schnittstelle, wobei zusätzliche Funktionen durch die folgenden Pins auf der MikroBUS-Buchse bereitgestellt werden: AN, PWM, INT, TX und RX.
The MCP2517FD Click Board™ is a complete CAN solution which carries the MCP2517FD CAN FD controller and ATA6563 high-speed CAN transceiver from Microchip, as well as a DB9 9-pin connector.
The click requires both 3.3V and 5V power supply. It communicates with the target microcontroller through the SPI interface, with additional functionality provided by the following pins on the mikroBUS™ socket: AN, PWM, INT, TX and RX.
Note: For selecting the interface voltage level, use the onboard jumper, and choose between the 3.3V and 5V. For more information, see the Jumpers and Settings table below.
MCP2517FD Features
The MCP2517FD is a cost-effective and small-footprint CAN FD controller that can be easily connected to a microcontroller over an SPI interface. Therefore, a CAN FD channel can be easily added to a microcontroller that is either lacking a CAN FD peripheral, or that doesn't have enough CAN FD channels.
The MCP2517FD supports both, CAN frames in the Classical format (CAN2.0B) and CAN Flexible Data Rate (CAN FD) format.
ATA6563 CAN TRANSCEIVER FEATURES
ATA6563 is a high-speed CAN transceiver that provides an interface between a controller area network (CAN) protocol controller and the physical two-wire CAN bus.
The transceiver is designed for high-speed ( up to 5Mbit/s ) CAN applications in the automotive industry, providing differential transmit and receive capability.
It offers improved electromagnetic compatibility (EMC) and electrostatic discharge (ESD) performance.
CONNECTOR FEATURES
This is a standard DB 9-pin male connector.
SPECIFICATIONS
| Type | CAN |
| Applications | Simple solution for adding CAN FD connectivity to your device |
| On-board modules | 9-pin CAN connector, ATA6563 CAN transceiver |
| Key Features | Communication speed up to 5Mbit/s, low electromagnetic emission (EME) and high electromagnetic immunity (EMI) |
| Interface | SPI |
| Compatibility | mikroBUS |
| Click board size | L (57.15 x 25.4 mm) |
| Input Voltage | 3.3V or 5V |
PINOUT DIAGRAM
This table shows how the pinout on MCP2517FD click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| Standby control IP | STBY | 1 | AN | PWM | 16 | CLKO | Clock OP |
| NC | 2 | RST | INT | 15 | INT | Interrupt OP | |
| Chip select | CS | 3 | CS | TX | 14 | INT0 | Int/GPIO 0 / ATA6563 StdBy |
| SPI Clock | SCK | 4 | SCK | RX | 13 | INT1 | Int/GPIO 1 |
| SPI data OP | MISO | 5 | MISO | SCL | 12 | NC | |
| SPI data IP | MOSI | 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 |
ADDITIONAL PINS
| Name | I/O | Description |
|---|---|---|
| TX_CAN | I | CAN transmit |
| RX_CAN | O | CAN receive |
| CANL | I/O | CAN low line |
| CANH | I/O | CAN high line |
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 | STBY | Right | ON | Select Stand by function, default ON, other takes the STBY SEL configuration |
| JP3 | STBY SEL | Left | STBY | Takes STBY input from STBY pin or INT0 pin on mikroBUS™ |
| JP4 | Right | 40MHz | Selects between 20 and 40 MHz clock |
LEDS AND BUTTONS
| Designator | Name | Type | Description |
|---|---|---|---|
| CN1 | CONNECTOR | DB9 connector for CAN |
Software Support
Code examples for MCP2517FD click, written for MikroElektronika hardware and compilers are available on Libstock.
CODE SNIPPET
The following code snippet shows the transmission using MCP2517FD CAN FD controller.
01 void transmitMessage( char *msg )
02 {
03 T_MCP2517FD_txFifoEvent txFlags;
04 T_MCP2517FD_txMsgObj txObj;
05 uint8_t txData[_MCP2517FD_MAX_DATA_BYTES];
06 bool flush;
07
08 flush = true;
09 txObj.word[0] = 0;
10 txObj.word[1] = 0;
11
12 txObj.bF.id.SID = 0x300;
13 txObj.bF.id.EID = 0;
14 txObj.bF.ctrl.FDF = 1;
15 txObj.bF.ctrl.BRS = 1;
16 txObj.bF.ctrl.IDE = 0;
17 txObj.bF.ctrl.RTR = 0;
18 txObj.bF.ctrl.DLC = MCP2517FD_DLC_64;
19 txObj.bF.ctrl.SEQ = 1;
20
21 memset(txData, 0, _MCP2517FD_MAX_DATA_BYTES);
22 strcpy(txData, msg);
23 MCP2517FD_TransmitEventGet(MCP2517FD_IDX, &txFlags);
24
25 if( txFlags & MCP2517FD_TX_FIFO_NOT_FULL )
26 {
27 MCP2517FD_TransmitChannelLoad(MCP2517FD_IDX, MCP2517FD_FIFO_CH1, &txObj,
28 txData, MCP2517FD_DlcToDataBytes(txObj.bF.ctrl.DLC), flush);
29 LOG( "rn MCP2517FD : Message sent! > " );
30 LOG( txData );
31 LOG( "rn" );
32 }
33 else
34 {
35 LOG( "rn MCP2517FD : Message not sent! >rn" );
36 }
37 }
MCP2517FD Click-Platine
Frequently Asked Questions
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