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CMT4552W

Bluetooth 5.2 System on Chip

CMT4552-.png

Introduction:


CMT4552 is a System on Chip (SoC) for Bluetooth 5.2 applications. It has high-performance low-power 32-bit processer with 64K retention SRAM, 512/256KB flash, 96KB ROM, 256bit efuse, and an ultra-low power, high performance, multi-mode radio. Also, CMT4552 can support BLE with security, application and over-the-air download update. Serial peripheral IO and integrated application IP enables customer product to be built with minimum bill-of-material (BOM) cost.


Key Features:


  • High-performance low-power 32-bit processor

  • Memory:

  • 512/256KB SPI NOR flash memory

  • 64KB SRAM, all programmable retention in sleep mode

  • 4-way instruction cache with 8KB Cache RAM

  • 96KB ROM

  • 256bit efuse

  • 19 general purpose I/O pins:

  • GPIO status retention in off/sleep mode

  • configurable as serial interface and programmable IO MUX function mapping

  • All pins can be configured for wake-up

  • All pins for triggering interrupt

  • 3 quadrature decoder(QDEC)

  • 6-channel PWM

  • 2-channel PDM/I2C/SPI/UART

  • 4-channel DMA

  • DMIC/AMIC with microphone bias

  • 5-channel 12bit ADC with low noise voice PGA

  • 6-channel 32bit timer, one watchdog timer

  • Real timer counter (RTC)

  • Power, clock, reset controller

  • Flexible power management:

  • Operating Voltage range 1.8V to 3.6V

  • Battery monitor

  • Power consumption:

  • 0.3uA @ OFF Mode (IO wake up only)

  • 1uA @ Sleep Mode with 32KHz RTC

  • 13uA @ Sleep Mode with 32KHz RTC and all SRAM retention

  • Receive mode: 8mA @3.3V power supply

  • Transmit mode: 8.6mA (0dBm output power) @3.3V power supply

  • MCU: <90uA/MHz

  • RC oscillator hardware calibrations:

  • Internal High/Low frequency RC osc

  • 32KHz RC osc for RTC with +/-500ppm accuracy

  • 32MHz RC osc for HCLK with 3% accuracy

  • High Speed Throughput:

  • Support BLE 2Mbps Protocol

  • Support Data Length Extension

  • Throughput up to 1.6Mbps(DLE+2Mbps)

  • BLE 5.2 feature

  • AoA/AoD Direction Finding

  • Support SIG-Mesh Multi-Feature:

  • Friend Node

  • Low Power Node

  • Proxy Node

  • Relay Node

  • 2.4 GHz transceiver:

  • Compliant to Bluetooth 5.2

  • Sensitivity:

-99dBm@BLE 1Mbps data rate

-105dBm@BLE 125Kbps data rate

  • TX Power -20 to +10dBm in 3dB steps

  • Single-pin antenna: no RF matching or RX/TX switching required

  • RSSI (1dB resolution)

  • Antenna array and optional off-chip RF PA/LNA control interface

  • AES-128 encryption hardware

  • Link layer hardware:

  • Automatic packet assembly

  • Automatic packet detection and validation

  • Auto Re-transmit

  • Auto ACK

  • Hardware Address Matching

  • Random number generator

  • Operating temperature: -40 ℃~85℃

  • RoHS Package: SSOP24


Applications: 


wearables, beacons, home and building, health and medical, industrial and manufacturing, retail and payment, data transmission, PC/mobile/TV peripherals, internet of things (IoT)

Design documents and resources
Certification & Test Reports:
Wireless RF IC RoHS
2022-05-05
Wireless RF IC REACH
2022-05-05
Typical application plan
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