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LPC2292 датащи(PDF) 16 Page - NXP Semiconductors |
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LPC2292 датащи(HTML) 16 Page - NXP Semiconductors |
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16 / 53 page ![]() LPC2292_2294_7 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 7 — 4 December 2008 16 of 53 NXP Semiconductors LPC2292/LPC2294 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/LPC2294 provide 16 kB of SRAM. 6.4 Memory map The LPC2292/LPC2294 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/LPC2294 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 |
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