LPC2377 datasheet(17/55 Pages) NXP

17 / 55 page

LPC2377_78_4

Product data sheet

Rev. 04 — 19 November 2008

17 of 55

NXP Semiconductors

LPC2377/78

Single-chip 16-bit/32-bit microcontroller

7.5 Interrupt controller

The ARM processor core has two interrupt inputs called Interrupt Request (IRQ) and Fast

Interrupt Request (FIQ). The VIC takes 32 interrupt request inputs which can be

programmed as FIQ or vectored IRQ types. The programmable assignment scheme

means that priorities of interrupts from the various peripherals can be dynamically

assigned and adjusted.

Fig 3.

LPC2377/78 memory map

0.0 GB

1.0 GB

TOTAL OF 512 kB ON-CHIP NON-VOLATILE MEMORY

0x0000 0000

0x0007 FFFF

0x0008 0000

RESERVED ADDRESS SPACE

32 kB LOCAL ON-CHIP STATIC RAM

RESERVED ADDRESS SPACE

0x4000 0000

0x4000 8000

0x7FD0 0000

0x7FE0 0000

0x7FD0 1FFF

0x7FE0 3FFF

0x4000 7FFF

2.0 GB

0x8000 0000

0x8000 FFFF

0x8100 FFFF

0x8100 0000

BOOT ROM AND BOOT FLASH

(BOOT FLASH REMAPPED FROM ON-CHIP FLASH)

3.0 GB

0xC000 0000

RESERVED ADDRESS SPACE

3.75 GB

4.0 GB

3.5 GB

AHB PERIPHERALS

APB PERIPHERALS

0xE000 0000

0xF000 0000

0xFFFF FFFF

GENERAL PURPOSE OR USB RAM (8 kB)

ETHERNET RAM (16 kB)

002aac585

EXTERNAL MEMORY BANK 0 (64 kB)

EXTERNAL MEMORY BANK 1 (64 kB)

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