BLUENRG-1 datasheet(3/173 Pages) STMICROELECTRONICS

3 / 173 page

BlueNRG-1

Contents

DocID028866 Rev 1

3/173

3.11

Flash controller.............................................................................. 101

3.11.1

Flash controller introduction ........................................................... 101

3.11.2

Flash controller functional description ............................................ 101

3.11.3

Flash controller registers ................................................................ 104

3.12

GPIO ............................................................................................. 108

3.12.1

Introduction ..................................................................................... 108

3.12.2

Functional description..................................................................... 108

3.12.3

GPIO registers ................................................................................ 111

3.13

MFT............................................................................................... 116

3.13.1

MFT introduction............................................................................. 116

3.13.2

MFT functional description ............................................................. 116

3.13.3

MFT registers ................................................................................. 126

3.14

Watchdog ...................................................................................... 128

3.14.1

Introduction ..................................................................................... 128

3.14.2

Functional description..................................................................... 129

3.14.3

Watchdog registers......................................................................... 129

3.15

RTC............................................................................................... 132

3.15.1

Introduction ..................................................................................... 132

3.15.2

Functional description..................................................................... 132

3.15.3

RTC registers ................................................................................. 134

3.16

RNG .............................................................................................. 141

3.16.1

Introduction ..................................................................................... 141

3.16.2

Functional description..................................................................... 141

3.16.3

RNG registers ................................................................................. 141

3.17

PDM stream processor ................................................................. 142

3.18

System timer (SysTick) ................................................................. 142

3.19

TX/RX event alert.......................................................................... 142

3.20

SWD debug feature....................................................................... 143

3.20.1

Debugging tips................................................................................ 143

3.21

Bluetooth low energy radio............................................................ 143

3.21.1

Radio operating modes .................................................................. 143

3.22

Pre-programmed bootloader ......................................................... 144

Pin description ............................................................................ 145

Memory mapping......................................................................... 149

Application circuit ....................................................................... 151

Absolute maximum ratings and thermal data ........................... 154

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