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