Data Sheet

Page 4
nRF51822 Product Specification v3.1
August 2014 3.0 Update to reflect the changes in build code:
nRF51822-QFAA Hx0
nRF51822-CEAA Ex0
nRF51822-QFAB Cx0
(The x in the build codes can be any number between 0 and 9.)
If you are working with a previous revision of the chip, read version 2.x of the document.
Added content:
Section 8.5.3 “Radio current consumption with DC/DC enabled” on page 50
Section 11.1.1 “PCB layout example” on page 77
Updated content:
Feature list on the front page.
Section 2.1 “Block diagram” on page 10
Section 3.2.1 “Code organizationon page 21
Section 3.2.2 “RAM organizationon page 21
Section 3.3 “Memory Protection Unit (MPU)” on page 22
Section 3.4 “Power management (POWER)” on page 23
Section 3.6 “Clock management (CLOCK)” on page 27
Section 3.8 “Debugger supporton page 30
Section 4.2 “Timer/counters (TIMER)” on page 32
Chapter 5 “Instance table” on page 36
Chapter 7 “Operating conditions” on page 38
Section 8.1.2 “16 MHz crystal oscillator (16M XOSC)” on page 40
Section 8.1.3 “32 MHz crystal oscillator (32M XOSC)” on page 41
Section 8.1.4 “16 MHz RC oscillator (16M RCOSC)” on page 42
Section 8.1.6 “32.768 kHz RC oscillator (32k RCOSC)” on page 43
Section 8.1.7 “32.768 kHz Synthesized oscillator (32k SYNT)” on page 43
Section 8.2 “Power management” on page 44
Section 8.3 “Block resource requirements” on page 48
Section 8.4 “CPU” on page 48
Section 8.5.6 “Radio timing parameters” on page 54
Section 8.5.7 “Antenna matching network requirements” on page 54
Section 8.7 “Universal Asynchronous Receiver/Transmitter (UART) specifications”
on page 55
Section 8.8 “Serial Peripheral Interface Slave (SPIS) specifications” on page 56
Section 8.12 “Analog to Digital Converter (ADC) specifications” on page 60
Section 8.13 “Timer (TIMER) specifications” on page 61
Section 8.15 “Temperature sensor (TEMP)” on page 61
Section 8.22 “Non-Volatile Memory Controller (NVMC) specifications” on page 64
Section 8.24 “Low Power Comparator (LPCOMP) specifications” on page 65
Section 9.2 “CDAB WLCSP package” on page 67
Section 10.7.2 “Development tools” on page 75
Chapter 11 “Reference circuitryon page 76
Date Version Description