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NRF52820-QDAA-R Datasheet(PDF) 15 Page - Nordic Semiconductor

No. de pieza NRF52820-QDAA-R
Descripción Electrónicos  nRF52820
PDF  437 Pages
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Fabricante Electrónico  NORDIC [Nordic Semiconductor]
Página de inicio  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF52820-QDAA-R Datasheet(HTML) 15 Page - Nordic Semiconductor

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Core components
4.1.2 Electrical specification
4.1.2.1 CPU performance
The CPU clock speed is 64 MHz. Current and efficiency data is taken when in System ON and the CPU is
executing the CoreMark® benchmark. It includes power regulator and clock base currents. All other blocks
are IDLE.
Symbol
Description
Min.
Typ.
Max.
Units
WFLASH
CPU wait states, running CoreMark from flash
2
WRAM
CPU wait states, running CoreMark from RAM
0
CMFLASH
CoreMark, running CoreMark from flash
144
CoreMark
CMFLASH/MHz
CoreMark per MHz, running CoreMark from flash
2.3
CoreMark/
MHz
CMFLASH/mA
CoreMark per mA, running CoreMark from flash, DCDC 3V
68.6
CoreMark/
mA
4.2 Memory
The nRF52820 contains 256 kB of flash memory and 32 kB of RAM that can be used for code and data
storage.
The CPU and peripherals with EasyDMA can access memory via the AHB multilayer interconnect. In
additon, peripherals are accessed by the CPU via the AHB multilayer interconnect, as shown in the
following figure.
RAM3
AHB slave
RAM2
AHB slave
RAM1
AHB slave
RAM0
AHB slave
AHB multilayer interconnect
Page 0
Page 1
Page 2
Page 3..62
Page 63
0x0000 0000
0x0000 2000
0x0000 3000
0x0003 F000
Flash
ICODE/DCODE
ICODE
DCODE
Peripheral
EasyDMA
Peripheral
EasyDMA
CPU
ARM Cortex-M4
AHB2APB
AHB
APB
0x0000 1000
0x2000 0000
0x2000 1000
0x2000 2000
0x2000 3000
0x2000 4000
0x2000 5000
0x2000 6000
0x2000 7000
Section 0
Section 1
Section 0
Section 1
Section 0
Section 1
Section 0
Section 1
Data RAM
System
0x0080 0000
0x0080 1000
0x0080 2000
0x0080 3000
0x0080 4000
0x0080 5000
0x0080 6000
0x0080 7000
Code RAM
ICODE / DCODE
Figure 2: Memory layout
4463_156 v1.0
15



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