Datasheet nRF51822 - 6

nRF51822 Product Specification v3.1
Date Version Description
April 2013 1.2 Added chip variant nRF51822-CEAA. Updated feature list on front page.
Updated
Section 3.2.1 on page 15, Section 3.2.2 on page 15, Chapter 6 on page 28, Section 10.4 on page 52, and Section 10.5.1 on page 53.
Added
Section 2.2.2 on page 10, Section 7.1 on page 29, Section 9.2 on page 50, and Section 11.3 on page 61.
Removed
PCB layouts in Chapter 11 on page 54. March 2013 1.1 Added chip variant nRF51822-QFAB. Added 32 MHz crystal oscillator feature. Updated feature list on front page. Moved subsection ‘Calculating current when the DC/DC converter is enabled’ from chapter 8 to the nRF51 Series Reference Manual.
Updated
Chapter 1 on page 6, Section 2.2 on page 8, Section 3.2 on page 12, Section 3.5 on page 16, Section 3.5.1 on page 17, Section 4.2 on page 21, Chapter 5 on page 24, Section 8.1 on page 27, Section 8.1.2 on page 28, Section 8.1.5 on page 30, Section 8.2 on page 32, Section 8.3 on page 34, Section 8.5.3 on page 36, Section 8.8 on page 40, Section 8.9 on page 41, Section 8.10 on page 42, Section 8.14 on page 43, Chapter 10 on page 47, Section 11.2 on page 51, Section 11.3 on page 54, and Section 11.4 on page 57.
Added
Section 3.5.4 on page 19, Section 8.1.3 on page 29, and Section 11.1 on page 50. November 2012 1.0 Changed from PPS to PS. Updated the feature list on the front page.
Updated
Table 11 on page 25, Table 12 on page 26, Table 14 on page 28, Table 15 on page 28, Table 16 on page 29, Table 17 on page 29, Table 18 on page 30, Table 19 on page 31, Table 21 on page 32, Table 22 on page 32, Table 23 on page 33,Table 27 on page 36, Table 28 on page 37, Table 29 on page 37, Table 31 on page 38, Table 32 on page 38, Table 35 on page 39, Table 38 on page 40, Table 39 on page 40, Table 55 on page 47, Figure 9 on page 48, and Table 57 on page 50. Page 6 Document Outline 1 Introduction 1.1 Required reading 1.2 Writing conventions 2 Product overview 2.1 Block diagram 2.2 Pin assignments and functions 2.2.1 Pin assignment QFN48 2.2.2 CDAB WLCSP ball assignment and functions 2.2.3 CEAA and CFAC WLCSP ball assignment and functions 3 System blocks 3.1 CPU 3.2 Memory 3.2.1 Code organization 3.2.2 RAM organization 3.3 Memory Protection Unit (MPU) 3.4 Power management (POWER) 3.4.1 Power supply 3.4.2 Power management 3.5 Programmable Peripheral Interconnect (PPI) 3.6 Clock management (CLOCK) 3.6.1 16/32 MHz crystal oscillator 3.6.2 32.768 kHz crystal oscillator 3.6.3 32.768 kHz RC oscillator 3.6.4 Synthesized 32.768 kHz clock 3.7 GPIO 3.8 Debugger support 4 Peripheral blocks 4.1 2.4 GHz radio (RADIO) 4.2 Timer/counters (TIMER) 4.3 Real Time Counter (RTC) 4.4 AES Electronic Codebook Mode Encryption (ECB) 4.5 AES CCM Mode Encryption (CCM) 4.6 Accelerated Address Resolver (AAR) 4.7 Random Number Generator (RNG) 4.8 Watchdog Timer (WDT) 4.9 Temperature sensor (TEMP) 4.10 Serial Peripheral Interface (SPI/SPIS) 4.11 Two-wire interface (TWI) 4.12 Universal Asynchronous Receiver/Transmitter (UART) 4.13 Quadrature Decoder (QDEC) 4.14 Analog to Digital Converter (ADC) 4.15 GPIO Task Event blocks (GPIOTE) 4.16 Low Power Comparator (LPCOMP) 5 Instance table 6 Absolute maximum ratings 7 Operating conditions 7.1 WLCSP light sensitivity 8 Electrical specifications 8.1 Clock sources 8.1.1 16/32 MHz crystal startup 8.1.2 16 MHz crystal oscillator (16M XOSC) 8.1.3 32 MHz crystal oscillator (32M XOSC) 8.1.4 16 MHz RC oscillator (16M RCOSC) 8.1.5 32.768 kHz crystal oscillator (32k XOSC) 8.1.6 32.768 kHz RC oscillator (32k RCOSC) 8.1.7 32.768 kHz Synthesized oscillator (32k SYNT) 8.2 Power management 8.3 Block resource requirements 8.4 CPU 8.5 Radio transceiver 8.5.1 General radio characteristics 8.5.2 Radio current consumption with DC/DC disabled 8.5.3 Radio current consumption with DC/DC enabled 8.5.4 Transmitter specifications 8.5.5 Receiver specifications 8.5.6 Radio timing parameters 8.5.7 Antenna matching network requirements 8.6 Received Signal Strength Indicator (RSSI) specifications 8.7 Universal Asynchronous Receiver/Transmitter (UART) specifications 8.8 Serial Peripheral Interface Slave (SPIS) specifications 8.9 Serial Peripheral Interface (SPI) Master specifications 8.10 I2C compatible Two Wire Interface (TWI) specifications 8.11 GPIO Tasks and Events (GPIOTE) specifications 8.12 Analog to Digital Converter (ADC) specifications 8.13 Timer (TIMER) specifications 8.14 Real Time Counter (RTC) 8.15 Temperature sensor (TEMP) 8.16 Random Number Generator (RNG) specifications 8.17 AES Electronic Codebook Mode Encryption (ECB) specifications 8.18 AES CCM Mode Encryption (CCM) specifications 8.19 Accelerated Address Resolver (AAR) specifications 8.20 Watchdog Timer (WDT) specifications 8.21 Quadrature Decoder (QDEC) specifications 8.22 Non-Volatile Memory Controller (NVMC) specifications 8.23 General Purpose I/O (GPIO) specifications 8.24 Low Power Comparator (LPCOMP) specifications 9 Mechanical specifications 9.1 QFN48 package 9.2 CDAB WLCSP package 9.3 CEAA WLCSP package 9.4 CFAC WLCSP package 10 Ordering information 10.1 Chip marking 10.2 Inner box label 10.3 Outer box label 10.4 Order code 10.5 Abbreviations 10.6 Code ranges and values 10.7 Product options 10.7.1 nRF ICs 10.7.2 Development tools 11 Reference circuitry 11.1 PCB guidelines 11.1.1 PCB layout example 11.2 Reference design schematics 11.3 QFAA QFN48 package 11.3.1 QFAA QFN48 schematic with internal LDO setup 11.3.2 QFAA QFN48 schematic with low voltage mode setup 11.3.3 QFAA QFN48 schematic with DC/DC converter setup 11.4 QFAB QFN48 package 11.4.1 QFAB QFN48 schematic with internal LDO setup 11.4.2 QFAB QFN48 schematic with low voltage mode setup 11.4.3 QFAB QFN48 schematic with DC/DC converter setup 11.5 QFAC QFN48 package 11.5.1 QFAC QFN48 schematic with internal LDO setup 11.5.2 QFAC QFN48 schematic with low voltage mode setup 11.5.3 QFAC QFN48 schematic with DC/DC converter setup 11.6 CDAB WLCSP package 11.6.1 CDAB WLCSP schematic with internal LDO setup 11.6.2 CDAB WLCSP schematic with low voltage mode setup 11.6.3 CDAB WLCSP schematic with DC/DC converter setup 11.7 CEAA WLCSP package 11.7.1 CEAA WLCSP schematic with internal LDO setup 11.7.2 CEAA WLCSP schematic with low voltage mode setup 11.7.3 CEAA WLCSP schematic with DC/DC converter setup 11.8 CFAC WLCSP package 11.8.1 CFAC WLCSP schematic with internal LDO setup 11.8.2 CFAC WLCSP schematic with low voltage mode setup 11.8.3 CFAC WLCSP schematic with DC/DC converter setup 12 Glossary