nRF24LE1 Nordic VLSI, nRF24LE1 Datasheet - Page 70

• Manufacturer Part Number: nRF24LE1
• Manufacturer: Nordic VLSI

nRF24LE1 Preliminary Product Specification
This section describes the operation of the embedded flash memory. MCU can read and write the memory
and under special circumstances the MCU can also perform erase and write operations, for instance, when
performing a firmware upgrade.
The Flash memory is configured and programmed through an external SPI slave interface. After program-
ming, read and write operations from the external interfaces can be disabled for code protection.
6.1
6.2
The Flash block in nRF24LE1 is split in 16k of generic code space memory and 1.5k of Non Volatile data
memory.
6.3
The Flash block gives the MCU its code space for program storage and NVM space for storing of applica-
tion data. Two pages of 256 bytes each of the NVM memory have extended endurance and can be erased/
Revision 1.1
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16k code memory
1k NV data memory
Page size 512 bytes for NV data memory and program memory
Two pages of 256 bytes each for extended endurance memory
32 pages of main block + 1 InfoPage
Endurance minimum 1000 write/erase cycles
Extended endurance memory, minimum 20000 write/erase cycles
Direct SPI programmable
Configurable MCU write protection
Readback protection
HW support for FW upgrades
Flash memory
Features
Block diagram
Functional description
0xFC00
0xFBFF
0x3FFF
0xFFFF
0xFA00
0x0000
NV Data Memory 256 Byte
NV Data Memory 256 Byte
Figure 31. nRF24LE1 Flash block diagram
Extended endurance
Extended endurance
NV Data Memory
Program memory
16 kbyte
1 kbyte
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Data Space
(XDATA, accessible by MOVX)
Code Space
(accessible by MOVC)