Product Specs

Page 18
nRF51802 Product Specification v1.2
Table 5 shows how memory allocated to different functions can be distributed between RAM sections for
parallel access.
Table 5 16 kB RAM variants
3.3 Memory Protection Unit (MPU)
The memory protection unit can be configured to protect all flash memory on the device from read-back, or
to protect blocks of flash from over-write or erase.
Table 6 MPU flash blocks
RAM
Blocks/Sections
Radio
buffers
Crypto
buffers
SPIS
buffers
CPU
Stack/Heap
CODE
Global
variables
Block0 RAM0 x x x
RAM1 x x
Block1 RAM2 x x
RAM3 x x x
Chip variant Flash block size Number of protectable Flash blocks
nRF51802-QFAA
nRF51802-QCAA
4 kB 64