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SNJ32W103 32-bit Automotive BLE IC (support CAN FD)

PREVIEW

The SNJ32W103 supports the BLE 5.1 protocol, achieving ultra-low power standby and reliable encrypted transmission. The application scenarios include Vehicle Bluetooth keys, Vehicle Access Control, PEPS System, and Wireless OBD.


  • Block Diagram
  • Features
  • Applications
  • Parameters
  • Selection Table

Block Diagram

  • SNJ32W103.svg
    • 12.1.png

Features

Supply Voltage

  • 1.8V to 3.6V

Operating Temperature

  • -40°C to +125°C

Package

  • QFN48

Core

  • ARM Cortex -M0+ core, up to 64MHz

  • Including Fast IO interface and 8 MPU regions

  • Support SWD debug interface

  • Support DMA

On-Chip Memory

  • 512KB (Main) automotive Flash with ECC

  • A total of 80KB RAM, where 32KB has the function of keeping data during sleep mode

  • 128 Byte retention register, with the function of keeping data during deep sleep mode

Power Management

  • Integrated Buck DC-DC

  • Support two low-power mode: sleep, deep sleep

  • All 32 GPIOs support Retention function in the two low-power mode

Clocks

  • External crystal oscillator: 16MHz/32MHz, 32.768kHz

  • Internal RC clock: 16M/4M/2MHz, 64k/32k/4k/1kHz

  • DPLL clock: 64M/32M/16MHz

2.4G

  • Support customized data at the GFSK 2Mbit/s or 1Mbit/s data rate

BLE System

  • Support BLE 5.1 protocol

  • Support up to 8 simultaneous connections

  • Data rate support 2M/1M/500k/125k bps

  • Transmit power: -20dBm to +6dBm adjustable

  • Receive sensitivity: -97dBm

  • Support RSSI with ±1dB accuracy

  • Integrated Link Layer hardware co-processing module

  • Integrated hardware AES-128 module

  • Dedicated sleep/wakeup timer

ADC and Sensor Interface

  • 16 bits ADC

  • Temperature sensor

  • Temperature alarm module

Peripherals

  • 2×UART modules with LIN Flex support

  • 2×I2C modules

  • 2×SPI modules

  • 1×CAN-FD module

  • 1×SENT module

  • 32 GPIOs

  • 1×Watchdog clock

  • 8×Timers

  • 1×True random number generator

  • 1×32 bits CRC

Applications

  • icon19.svg icon20.svg
    Vehicle Access Control
  • PEPS.svg PEPS (1).svg
    PEPS System
  • icon23.svg icon24.svg
    Keyless Entry
  • icon27.svg icon28.svg
    Car Sharing
  • icon25.svg icon26.svg
    Parking Guidance
  • icon29.svg icon30.svg
    Wireless OBD
  • 远程控制.svg 远程控制(1).svg
    Remote Control

Parameters

  • CPU
    ARM Cortex-M0+
  • CPU frequency
    64 MHz
  • Flash
    512K Bytes with ECC
  • RAM
    80K Bytes
  • Communication interfaces
    I2C/SPI/UART//SENT/CAN FD/LIN Flex
  • GPIO
    32
  • 16-bit ADC
    1
  • BLE5.1 protocol
    Support
  • Rx sensitivity
    -97 dBm
  • Sleep current
    0.4μA@25°C
  • Tx Power
    6.3mA@0dbm with DCDC
  • Programmable output power
    -20 to +6 dBm
  • BLE raw data transmission
    2Mbps
  • Operating voltage
    1.8V ~ 3.6V
  • Operating temperature
    -40°C ~ +125°C
  • Package
    QFN48

Selection Table

Model
【PDF】
Package
Ordering number
Packing option
SNJ32W103
QFN48
SNJ32W103CENC
Tape & Reel