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BLUENRG-2 Datasheet(PDF) 11 Page - STMicroelectronics

Part # BLUENRG-2
Description  Bluetooth® low energy wireless system-on-chip
PDF  190 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

BLUENRG-2 Datasheet(HTML) 11 Page - STMicroelectronics

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BlueNRG-2
Description
DocID030675 Rev 2
11/190
1
Description
The BlueNRG-2 is a very low power Bluetooth low energy (BLE) single-mode system-on-
chip, compliant with Bluetooth specification.
The BlueNRG-2 extends the features of award-winning BlueNRG network processor,
enabling the usage of the embedded Cortex M0 for running the user application code.
The BlueNRG-2 includes 256 kB of programming Flash memory, 24 kB of static RAM
memory with retention (two 12 kB banks) and SPI, UART, I²C standard communication
interface peripherals. It also features multifunction timers, watchdog, RTC and DMA
controller.
An ADC is available for interfacing with analog sensors, and for reading the measurement
of the integrated battery monitor. A digital filter is available for processing a PDM stream.
The BlueNRG-2 offers the same excellent RF performance of the BlueNRG radio, and the
integrated high efficiency DC/DC converter keeps the same ultra-low power characteristics,
but the BlueNRG-2 improves the BlueNRG sleep mode current consumption allowing a
further increase in the battery lifetime of the applications.
Figure 1: BlueNRG-2 architecture
RF AFE
LDOs
Rcosc Xosc
Modulation
Demodulation
Blue
Cortex-M0
DMA
AHB Bus matrix
3x Masters
7x Slaves
Flash Controller
12KB SRAM Switchable
12KB SRAM always On
AHB2APB bridge
PKA
1KB SRAM
RNG
256KB Flash Array
14,15 or 26x GPIOs
SPI
UART
2x I2C
2x MFT
Watchdog
RTC
CRMU
(Clock and Reset
Management Unit)
ADC IF
AUX ADC



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