BLUENRG-332VC datasheet(2/67 Pages) STMICROELECTRONICS

2 / 67 page

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Clock sources

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64 MHz PLL

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Fail safe 32 MHz crystal oscillator with integrated trimming capacitors

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32 kHz crystal oscillator

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Internal low-power 32 kHz RO

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On-chip non-volatile flash memory of 192 Kbytes

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On-chip RAM of 24 Kbytes + 4 Kbytes PKA RAM

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One-time-programmable (OTP) memory area of 1 Kbytes

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Embedded UART bootloader

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Ultra-low power modes with or without timer and RAM retention

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Quadrature decoder

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Enhanced security mechanisms such as:

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Flash read/write protection

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SWD disabling

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Secure bootloader

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Security features

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True random number generator (RNG)

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Hardware encryption AES maximum 128-bit security co-processor

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HW public key accelerator (PKA)

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Cryptographic algorithms: RSA, Diffie-Helman, ECC over GF(p)

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CRC calculation unit

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64-bit unique ID

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System peripherals

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1x DMA controller with 8 channels supporting ADC, SPI-I2S, I2C, USART, LPUART, TIMERS

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1x SPI with I2S interface multiplexed

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1x I2C (SMBus/PMBus)

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1x LPUART (low power)

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1x USART (ISO 7816 smartcard mode, IrDA, SPI Master and Modbus)

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1x independent WDG

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1x real-time clock (RTC)

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1x independent SysTick

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1x 16-bits, four channel general purpose timer

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2x 16-bits, two channel general purpose timer

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Infrared interface

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Up to 20 fast I/Os

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All of them with wake-up capability

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All of them retain state in low-power

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All of them 5 V tolerant

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Analog peripherals

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12-bit ADC with 8 input channels, up to 16 bits with down sampler

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Battery monitoring

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Analog watchdog

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Development support

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Serial wire debug (SWD)

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4 breakpoints and 2 watchpoints

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All packages are ECOPACK2 compliant

BlueNRG-LPS

DS13819 - Rev 4

page 2/67

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