Data Sheet

Page 36
nRF51822 Product Specification v3.1
5 Instance table
The peripheral instantiation of the chip is shown in the table below.
Table 18 Peripheral instance reference
ID Base address Peripheral Instance Description
0 0x40000000 POWER POWER Power Control.
0 0x40000000 CLOCK CLOCK Clock Control.
0 0x40000000 MPU MPU Memory Protection Unit.
1 0x40001000 RADIO RADIO 2.4 GHz Radio.
2 0x40002000 UART UART0 Universal Asynchronous Receiver/Transmitter.
3 0x40003000 SPI SPI0 SPI Master.
3 0x40003000 TWI TWI0 I2C compatible Two-Wire Interface 0.
4 0x40004000 SPIS SPIS1 SPI Slave.
4 0x40004000 SPI SPI1 SPI Master.
4 0x40004000 TWI TWI1 I2C compatible Two-Wire Interface 1.
5Unused.
6 0x40006000 GPIOTE GPIOTE GPIO Task and Events.
7 0x40007000 ADC ADC Analog to Digital Converter.
8 0x40008000 TIMER TIMER0 Timer/Counter 0.
9 0x40009000 TIMER TIMER1 Timer/Counter 1.
10 0x4000A000 TIMER TIMER2 Timer/Counter 2.
11 0x4000B000 RTC RTC0 Real Time Counter 0.
12 0x4000C000 TEMP TEMP Temperature Sensor.
13 0x4000D000 RNG RNG Random Number Generator.
14 0x4000E000 ECB ECB Crypto AES ECB.
15 0x4000F000 CCM CCM AES Crypto CCM.
15 0x4000F000 AAR AAR Accelerated Address Resolver.
16 0x40010000 WDT WDT Watchdog Timer.
17 0x40011000 RTC RTC1 Real Time Counter 1.
18 0x40012000 QDEC QDEC Quadrature Decoder.
19 0x40013000 LPCOMP LPCOMP Low Power Comparator.
20 - 25 Reserved as software interrupt.
26 - 29 Unused.
30 0x4001E000 NVMC NVMC Non-Volatile Memory Controller.
31 0x4001F000 PPI PPI Programmable Peripheral Interconnect.
NA 0x50000000 GPIO GPIO General Purpose Input and Output.
NA 0x10000000 FICR FICR Factory Information Configuration Registers.
NA 0x10001000 UICR UICR User Information Configuration Registers.