Datasheet

LPC2292_2294 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 8 — 8 June 2011 16 of 54
NXP Semiconductors
LPC2292/2294
16/32-bit ARM microcontrollers with external memory interface
6.3 On-chip SRAM
On-chip SRAM may be used for code and/or data storage. The SRAM may be accessed
as 8-bit, 16-bit, and 32-bit. The LPC2292/2294 provide 16 kB of SRAM.
6.4 Memory map
The LPC2292/2294 memory maps incorporate several distinct regions, as shown in
Figure 4
.
In addition, the CPU interrupt vectors may be re-mapped to allow them to reside in either
flash memory (the default) or on-chip static RAM. This is described in Section 6.19
“System control”.
Fig 4. LPC2292/2294 memory map
AHB PERIPHERALS
APB PERIPHERALS
RESERVED ADDRESS SPACE
BOOT BLOCK (RE-MAPPED FROM
ON-CHIP FLASH MEMORY)
RESERVED ADDRESS SPACE
16 kB ON-CHIP STATIC RAM
RESERVED ADDRESS SPACE
256 kB ON-CHIP FLASH MEMORY
0xFFFF FFFF
0xF000 0000
0xEFFF FFFF
0xE000 0000
0xC000 0000
0xDFFF FFFF
0x8000 0000
0x7FFF FFFF
0x7FFF E000
0x7FFF DFFF
0x4000 4000
0x4000 3FFF
0x4000 0000
0x3FFF FFFF
0x0004 0000
0x0003 FFFF
4.0 GB
3.75 GB
3.5 GB
3.0 GB
2.0 GB
1.0 GB
0.0 GB
0x0000 0000
002aaa754