# MR-CANHUBK344 Block Diagram

<figure><img src="https://4107432906-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FtwBzyvivLuBKj9SMDwV9%2Fuploads%2Fy68cqxmMJiHLvgkS0O4b%2Fimage.png?alt=media&#x26;token=f76cec7e-f086-44f8-a744-78968a80c9ff" alt=""><figcaption><p>CANHUBK344 Block Diagram</p></figcaption></figure>

## Listed Hardware Features

* [NXP S32K344 Automotive General-Purpose MCU](https://www.nxp.com/products/processors-and-microcontrollers/s32-automotive-platform/s32k-auto-general-purpose-mcus/s32k3-microcontrollers-for-automotive-general-purpose:S32K3)
  * 1x Lockstep Arm Cortex-M7 @ 160 MHz
* [NXP FS26](https://www.nxp.com/products/power-management/pmics-and-sbcs/safety-sbcs/safety-system-basis-chip-with-low-power-fit-for-asil-d:FS26) Safety System Basis Chip with Low Power Fit for ASIL D
  * Allows 5-40V power input
* 6x CAN FD (each with 2 connectors, for easy daisy-chaining):
  * 2x [NXP TJA1443](https://www.nxp.com/products/interfaces/can-transceivers/can-with-flexible-data-rate/automotive-can-fd-transceiver-family:TJA144x) High-Speed CAN FD Transceiver
  * 2x [NXP TJA1463](https://www.nxp.com/products/interfaces/can-transceivers/can-signal-improvement/can-signal-improvement-capability-transceiver-with-sleep-mode:TJA1463) Signal Improvement CAN FD (SIC) Transceiver
  * 2x [NXP TJA1153](https://www.nxp.com/products/interfaces/can-transceivers/secure-can-transceivers/secure-hs-can-transceiver-with-sleep-mode:TJA1153) Secure High-Speed CAN FD Transceiver (SCT)
* 100Base-T1 2-Wire Automotive Ethernet
  * [NXP TJA1103](https://www.nxp.com/products/interfaces/ethernet-/automotive-ethernet-phys/asil-b-compliant-100base-t1-ethernet-phy:TJA1103) 100BASE-T1 Ethernet PHY
* [NXP EdgeLock SE050](https://www.nxp.com/products/security-and-authentication/authentication/edgelock-se050-plug-and-trust-secure-element-family-enhanced-iot-security-with-high-flexibility:SE050) Secure Element
  * External NFC antenna can be connected
* 6x UART (External)
  * 2x with handshake / flow control ines available (TX/RX/CTS/RTS)
  * 4x without handshake (TX/RX only)
* 3x I2C
  * 2x general purpose (e.g. for connecting external sensor modules, or an OLED display)
  * 1x secure element (e.g. allows for encrypted sensor data - see [SE050 ](https://www.nxp.com/products/security-and-authentication/authentication/edgelock-se050-plug-and-trust-secure-element-family-enhanced-iot-security-with-high-flexibility:SE050)for more information)
* 2x SPI, each with two dedicated chip select lines
* Arm 10-pin\* JTAG/SWD header for debugging
  * \*Can be extended to 20-pin variant, to also allow trace debugging
* DCD-LZ 7-pin SWD & UART connector for debugging
* PWM and GPIO headers
* Optional Pixhawk IMU connector