NuMicro® M235x Series is based on Cortex-M23 core with TrustZone® architecture. So it’s easy for users to develop IoT devices that can meet IoT Security requirements. Moreover, the M235x Series supporting DTS Play-Fi® technology on a Google Cast wireless speaker. We here provide a high-quality audio demo of YouTube music playback on the smart sound box.

• Features
  

  -	Secures Legal Access of Network Media Streaming for Network Streaming Music Playback
  -	Legal and efficiency for online music wireless broadcast at Wi-Fi signal coverage places
  -	One smart phone can support multiple wireless speakers in parallel

• Specifications
  

  M2354 (32-bit Arm® Cortex®-M23)
  -	Cortex®-M23 TrustZone MCU
  -	Secure Boot (Root-of-Trust)
  -	TRNG + PRNG (FIPS 140-3 ready)
  -	Crypto Accelerators (Chain-of-Trust)
  -	UART/ I2C/ SPI/ CAN/ USB
  -	PWM/ Timer/ Analog
  -	Arm PSA CertifiedTM

• System Block Diagram