UM10462 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2016. All rights reserved.
User manual Rev. 5.5 — 21 December 2016 70 of 523
NXP Semiconductors
UM10462
Chapter 6: LPC11U3x/2x/1x NVIC
6.5 Register description
See the ARM Cortex-M0+ technical reference manual.
The NVIC registers are located on the ARM private peripheral bus.
Table 60. Register overview: NVIC (base address 0xE000 E000)
Name Access Address
offset
Description Reset
value
Reference
ISER0 R/W 0x100 Interrupt Set Enable Register 0. This register allows enabling
interrupts and reading back the interrupt enables for specific
peripheral functions.
0 Table 61
- - 0x104 Reserved. - -
ICER0 R/W 0x180 Interrupt Clear Enable Register 0. This register allows disabling
interrupts and reading back the interrupt enables for specific
peripheral functions.
0 Table 62
- - 0x184 Reserved. 0 -
ISPR0 R/W 0x200 Interrupt Set Pending Register 0. This register allows changing the
interrupt state to pending and reading back the interrupt pending
state for specific peripheral functions.
0 Table 63
- - 0x204 Reserved. 0 -
ICPR0 R/W 0x280 Interrupt Clear Pending Register 0. This register allows changing the
interrupt state to not pending and reading back the interrupt pending
state for specific peripheral functions.
0 Table 64
- - 0x284 Reserved. 0 -
IABR0 RO 0x300 Interrupt Active Bit Register 0. This register allows reading the
current interrupt active state for specific peripheral functions.
0 Table 65
- - 0x304 Reserved. 0 -
IPR0 R/W 0x400 Interrupt Priority Registers 0. This register allows assigning a priority
to each interrupt. This register contains the 2-bit priority fields for
interrupts 0 to 3.
0 Table 66
IPR1 R/W 0x404 Interrupt Priority Registers 1 This register allows assigning a priority
to each interrupt. This register contains the 2-bit priority fields for
interrupts 4 to 7.
0 Table 67
IPR2 R/W 0x408 Interrupt Priority Registers 2. This register allows assigning a priority
to each interrupt. This register contains the 2-bit priority fields for
interrupts 8 to 11.
0 Table 68
IPR3 R/W 0x40C Interrupt Priority Registers 3. This register allows assigning a priority
to each interrupt. This register contains the 2-bit priority fields for
interrupts 12 to 15.
0 Table 69
IPR4 R/W 0x410 Interrupt Priority Registers 4. This register allows assigning a priority
to each interrupt. This register contains the 2-bit priority fields for
interrupts 12 to 15.
0 Table 70