MCP251863T-H/SS中文資料微芯科技數(shù)據(jù)手冊PDF規(guī)格書

General Features

? External CAN FD Controller with Integrated CAN

FD Transceiver and Serial Peripheral Interface

(SPI)

? Arbitration Bit Rate Up to 1 Mbps

? Data Bit Rate up to 5 Mbps

? CAN FD Controller Modes

- Mixed CAN 2.0B and CAN FD Mode

- CAN 2.0B Mode

? Fully ISO 11898-1:2015, ISO 11898-2: 2016 and

SAE J2962-2 Compliant

? Temperature Ranges:

- Extended (E): -40°C to +125°C

- High (H): -40°C to +150°C

? ISO 26262 Functional Safety Ready

? Low Electromagnetic Emission (EME) and High

Electromagnetic Immunity (EMI)

? AEC-Q100 and AEC-Q006 Qualified

? Package: SSOP28 (Moisture Sensitivity Level 2)

CAN FD Controller Features

Message FIFOs

? 31 FIFOs, Configurable as Transmit or Receive

FIFOs

? One Transmit Queue (TXQ)

? Transmit Event FIFO (TEF) with 32-bit Time

Stamp

Message Transmission

? Message Transmission Prioritization:

- Based on Priority Bit Field

- Message with Lowest ID gets Transmitted

First Using the Transmit Queue (TXQ)

? Programmable Automatic Retransmission

Attempts: Unlimited, 3 Attempts or Disabled

Message Reception

? 32 Flexible Filter and Mask Objects

? Each Object Can Be Configured to Filter Either:

- Standard ID + first 18 data bits, or

- Extended ID

? 32-bit Time Stamp

Special Features

? VDD: 2.7V to 5.5V

? Active Current: Maximum 20 mA at 5.5 V

40 MHz CAN clock

? Sleep Current: 15 ?A, Typical

? Low Power Mode Current: Maximum 10 ?A from?

-40°C to +150°C

? Message Objects are Located in RAM: 2 KB

? Up to 3 Configurable Interrupt Pins

? Bus Health Diagnostics and Error Counters

? Transceiver Standby Control

? Start of Frame Pin for Indicating the Beginning of

Messages on the Bus

Oscillator Options

? 40, 20 or 4 MHz Crystal or Ceramic Resonator;

External Clock Input

? Clock Output with Prescaler

SPI Interface

? Up to 20 MHz SPI Clock Speed

? Supports SPI Modes 0,0 and 1,1

? Registers and Bit Fields are Arranged in a Way to

Enable Efficient Access through SPI

Safety Critical Systems

? SPI Commands with CRC to Detect Noise on SPI

Interface

? Error Correction Code (ECC) Protected RAM

Additional Features

? GPIO Pins: INT0 and INT1 Can Be Configured as

General Purpose I/O

? Open Drain Outputs: TXCAN, INT, INT0, and INT1

Pins Can Be Configured as Push/Pull or Open

Drain Outputs

CAN FD Transceiver Features

? Differential Receiver with Wide Common Mode

Range

? Remote Wake-Up Capability via CAN Bus -

Wake-Up on Pattern (WUP), as Specified in

ISO 11898-2: 2016, 3.8 μs Activity Filter Time

? Functional Behavior Predictable under All Supply

Conditions

? Transceiver Disengages from the Bus When Not

Powered Up

? RXD Recessive Clamping Detection

? High Electrostatic Discharge (ESD) Handling

Capability on the Bus Pins

? Bus Pins Protected Against Transients in

Automotive Environments

? Transmit Data (TXD) Dominant Time-Out

Function

? Undervoltage Detection on VCC and VIO Pins

? CANH/CANL Short-Circuit and Overtemperature

Protected

? Low Max Standby Current of 12 ?A

? Fulfills the OEM “Hardware Requirements for LIN,

CAN and FlexRay Interfaces in Automotive

Applications, Rev. 1.3”