Block Diagram

Block diagram
nRF52840
APB0
AHB TO APB
BRIDGE
RADIO
CPU
ARM
CORTEX-M4
AHB-AP
RNG
TEMP
WDT
NVMC
ANT
POWER
nRESET
RTC [0..2]
PPI
TIMER [0..4]
NVIC
UICRFICR
SW-DP
CODE
EasyDMA
master
QDEC
SAADC
GPIOTE
P0.0 – P0.31
P1.0 – P1.15
AIN0 – AIN7
LED
A
B
UARTE [0..1]
SPIS [0..2]
MOSI
MISO
CSN
COMP
EasyDMA
RXD
TXD
CTS
RTS
ETM
SysTick
TPIU
TP
EasyDMA
LPCOMP
EasyDMA
master
master
NFCT
NFC1
NFC2
EasyDMA
master
master
SWDIO
SWCLK
CTRL-AP
PWM [0..3]
OUT0 – OUT3
I2S
MCK
LRCK
SCL
SDOUT
SDIN
PDM
CLK
DIN
SCK
EasyDMA
master
EasyDMA
master
EasyDMA
master
I-Cache
slave slave
slave slave slave
master
CLOCK
XL2
XL1
XC2
XC1
USBD
D-
D+
EasyDMA
master
VBUS
SPIM [0..3]
SCK
MISO
EasyDMA
MOSI
master
TWIM [0..1]
SCL
SDA
EasyDMA
master
QSPI
IO3
IO2
IO1
IO0
EasyDMA
master
CSN
SCK
ECB
EasyDMA
master
CCM
EasyDMA
master
AAR
EasyDMA
master
CryptoCell
DMA
master
TWIS [0..1]
SCL
SDA
EasyDMA
master
RAM
0
slave
RAM
1
slave
RAM
2
slave
RAM
3
slave
RAM
4
slave
RAM
5
slave
RAM
6
slave
RAM
7
slave
GPIO
slave
RAM
8
slave
AHB multilayer
P0.0 – P0.31
P1.0 – P1.15
P0.0 – P0.31
P1.0 – P1.15
Figure 1: Block diagram
4413_417 v1.1
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