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CMT4502
Bluetooth Low Energy (BLE) System on Chip
Key Features
• ARM® Cortex™-M0 32-bit processor • Memory
➢ 512KB 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 • DMIC/AMIC with microphone bias • 3/8-channel 12bit ADC with low noise voice PGA • 4-channel 24bit timer, one watchdog timer • Real timer counter (RTC) • Power, clock, reset controller • Flexible power management ➢ Supply voltage range 1.