BLE chip - CMT4502


Description

CMT4502 is a System on a Chip (SoC) for low power Bluetooth® applications. The CMT4502 features a 32-bit ARM® Cortex ™ -M0 processor and ultra-low-power, high-performance multimode radio. CMT4502 can support BLE with secure download, application and over the air updates. Peripheral I / O and integrated IP applications allow the customer product to be created with minimal bill of material cost.
CMT4502 supports BLE 5.0.

 

The main specifications

  • ARM® Cortex ™ -M0 32-bit processor
  • Memory

* 512 / 256KB in-system flash memory

* 128KB ROM

* 138KB SRAM, all programmable retention in sleep mode

* 8-channel DMA

  • 33/19 general purpose I / O pins

* All pins can be configured as serial interface and programmable IO MUX function mapping

* All pins can be configured for wake-up

* 18 pins for triggering interrupt

* 3 quadrature decoder (QDEC)

* 6-channel PWM

* 4-channel I2S

* 2-channel PDM

* 2-channel I2C

* 2-channel SPI

* 1-channel UART

* JTAG

  • 8-channel 12bit ADC with analog PGA
  • 4-channel 24bit timer, one watchdog timer
  • Real timer counter (RTC)
  • Power, clock, reset controller
  • Flexible power management

* Supply voltage range 1.8V to 3.6V

* Embedded buck DC-DC

* Embedded LDOs

* Battery monitor: Supports low battery detection

* 2μA @ Sleep Mode with 32KHz RTC

* 0.7μA @ OFF Mode (IO wake up only)

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