NRF51802-QFAA-R datasheet(5/85 Pages) NORDIC

5 / 85 page

Page 5

nRF51802 Product Specification v1.2

Table of contents

Introduction............................................................................................................................................... 7

1.1

Required reading.............................................................................................................................................. 7

1.2

Writing conventions........................................................................................................................................ 7

Product overview...................................................................................................................................... 8

2.1

Block diagram ................................................................................................................................................... 8

2.2

Pin assignments and functions ................................................................................................................... 9

System blocks.......................................................................................................................................... 15

3.1

CPU ......................................................................................................................................................................15

3.2

Memory..............................................................................................................................................................16

3.3

Memory Protection Unit (MPU) .................................................................................................................18

3.4

Power management (POWER) ...................................................................................................................19

3.5

Programmable Peripheral Interconnect (PPI) ......................................................................................22

3.6

Clock management (CLOCK)......................................................................................................................23

3.7

GPIO.....................................................................................................................................................................26

3.8

Debugger support .........................................................................................................................................26

Peripheral blocks .................................................................................................................................... 27

4.1

2.4 GHz radio (RADIO) ...................................................................................................................................27

4.2

Timer/counters (TIMER)................................................................................................................................28

4.3

Real Time Counter (RTC) ..............................................................................................................................28

4.4

AES Electronic Codebook Mode Encryption (ECB) .............................................................................28

4.5

AES CCM Mode Encryption (CCM)............................................................................................................29

4.6

Accelerated Address Resolver (AAR) .......................................................................................................29

4.7

Random Number Generator (RNG) ..........................................................................................................29

4.8

Watchdog Timer (WDT)................................................................................................................................29

4.9

Temperature sensor (TEMP) .......................................................................................................................30

4.10

Serial Peripheral Interface (SPI/SPIS) .......................................................................................................30

4.11

Two-wire interface (TWI)..............................................................................................................................30

4.12

Universal Asynchronous Receiver/Transmitter (UART) ....................................................................31

4.13

Quadrature Decoder (QDEC)......................................................................................................................31

4.14

Analog to Digital Converter (ADC) ...........................................................................................................31

4.15

GPIO Task Event blocks (GPIOTE)..............................................................................................................31

4.16

Low Power Comparator (LPCOMP) ..........................................................................................................31

Instance table .......................................................................................................................................... 32

Absolute maximum ratings .................................................................................................................. 33

Operating conditions............................................................................................................................. 34

Electrical specifications ......................................................................................................................... 35

8.1

Clock sources ...................................................................................................................................................35

8.2

Power management......................................................................................................................................40

8.3

Block resource requirements .....................................................................................................................44

8.4

CPU ......................................................................................................................................................................44

8.5

Radio transceiver ............................................................................................................................................45

8.6

Received Signal Strength Indicator (RSSI) specifications.................................................................50

8.7

Universal Asynchronous Receiver/Transmitter (UART) specifications ........................................51

8.8

Serial Peripheral Interface Slave (SPIS) specifications .......................................................................52

8.9

Serial Peripheral Interface (SPI) Master specifications ......................................................................53

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