Product Specs
Page 5
nRF51802 Product Specification v1.2
Table of contents
1 Introduction............................................................................................................................................... 7
1.1 Required reading.............................................................................................................................................. 7
1.2 Writing conventions........................................................................................................................................ 7
2 Product overview...................................................................................................................................... 8
2.1 Block diagram ................................................................................................................................................... 8
2.2 Pin assignments and functions ................................................................................................................... 9
3 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
4 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
5 Instance table .......................................................................................................................................... 32
6 Absolute maximum ratings .................................................................................................................. 33
7 Operating conditions............................................................................................................................. 34
8 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