BLUENRG-2 datasheet(3/190 Pages) STMICROELECTRONICS

3 / 190 page

BlueNRG-2

Contents

DocID030675 Rev 2

3/190

3.10.3

I²C registers ...................................................................................... 92

3.11

Flash controller.............................................................................. 107

3.11.1

Flash controller introduction ........................................................... 107

3.11.2

Flash controller functional description ............................................ 107

3.11.3

Flash controller registers ................................................................ 110

3.12

GPIO ............................................................................................. 113

3.12.1

Introduction ..................................................................................... 113

3.12.2

Functional description..................................................................... 114

3.12.3

GPIO registers ................................................................................ 117

3.13

MFT............................................................................................... 122

3.13.1

MFT introduction............................................................................. 122

3.13.2

MFT functional description ............................................................. 123

3.13.3

MFT registers ................................................................................. 132

3.14

Watchdog ...................................................................................... 135

3.14.1

Introduction ..................................................................................... 135

3.14.2

Functional description..................................................................... 135

3.14.3

Watchdog registers......................................................................... 136

3.15

RTC............................................................................................... 138

3.15.1

Introduction ..................................................................................... 138

3.15.2

Functional description..................................................................... 138

3.15.3

RTC registers ................................................................................. 141

3.16

RNG .............................................................................................. 147

3.16.1

Introduction ..................................................................................... 147

3.16.2

Functional description..................................................................... 147

3.16.3

RNG registers ................................................................................. 148

3.17

PDM stream processor ................................................................. 149

3.18

System timer (SysTick) ................................................................. 149

3.19

Public key accelerator (PKA)......................................................... 149

3.19.1

PKA functional description ............................................................. 149

3.19.2

PKA registers.................................................................................. 150

3.20

TX/RX event alert.......................................................................... 152

3.21

SWD debug feature....................................................................... 152

3.21.1

Debugging tips................................................................................ 152

3.22

Bluetooth low energy radio............................................................ 152

3.22.1

Radio operating modes .................................................................. 153

3.23

Pre-programmed bootloader ......................................................... 153

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