NRF51422-QFAC-R7 datasheet(8/115 Pages) NORDIC

8 / 115 page

Page 8

nRF51422 Product Specification v3.1

8.9

Serial Peripheral Interface (SPI) Master specifications ......................................................................57

8.10

I2C compatible Two Wire Interface (TWI) specifications..................................................................58

8.11

GPIO Tasks and Events (GPIOTE) specifications...................................................................................59

8.12

Analog to Digital Converter (ADC) specifications...............................................................................60

8.13

Timer (TIMER) specifications.......................................................................................................................61

8.14

Real Time Counter (RTC) ..............................................................................................................................61

8.15

Temperature sensor (TEMP) .......................................................................................................................61

8.16

Random Number Generator (RNG) specifications..............................................................................62

8.17

AES Electronic Codebook Mode Encryption (ECB)specifications..................................................62

8.18

AES CCM Mode Encryption (CCM) specifications ...............................................................................62

8.19

Accelerated Address Resolver (AAR) specifications...........................................................................62

8.20

Watchdog Timer (WDT) specifications ...................................................................................................63

8.21

Quadrature Decoder (QDEC) specifications .........................................................................................63

8.22

Non-Volatile Memory Controller (NVMC) specifications..................................................................64

8.23

General Purpose I/O (GPIO) specifications ............................................................................................65

8.24

Low Power Comparator (LPCOMP) specifications..............................................................................65

Mechanical specifications ..................................................................................................................... 66

9.1

QFN48 package ...............................................................................................................................................66

9.2

CDAB WLCSP package ..................................................................................................................................67

9.3

CEAA WLCSP package...................................................................................................................................68

9.4

CFAC WLCSP package...................................................................................................................................69

Ordering information ............................................................................................................................ 70

10.1

Chip marking....................................................................................................................................................70

10.2

Inner box label.................................................................................................................................................70

10.3

Outer box label................................................................................................................................................71

10.4

Order code ........................................................................................................................................................71

10.5

Abbreviations...................................................................................................................................................72

10.6

Code ranges and values ...............................................................................................................................73

10.7

Product options ..............................................................................................................................................75

Reference circuitry.................................................................................................................................. 76

11.1

PCB guidelines.................................................................................................................................................76

11.2

Reference design schematics.....................................................................................................................78

11.3

QFAA QFN48 package ..................................................................................................................................79

11.4

QFAB QFN48 package...................................................................................................................................85

11.5

QFAC QFN48 package...................................................................................................................................91

11.6

CDAB WLCSP package ..................................................................................................................................97

11.7

CEAA WLCSP package................................................................................................................................ 103

11.8

CFAC WLCSP package................................................................................................................................ 109

Glossary ..................................................................................................................................................115

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