PM0056 datasheet(128/156 Pages) STMICROELECTRONICS

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Core peripherals

PM0056

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DocID15491 Rev 5

For more information about these functions see the CMSIS documentation.

4.3.11

NVIC register map

The table provides shows the NVIC register map and reset values. The base address of the

main NVIC register block is 0xE000E100. The NVIC_STIR register is located in a separate

block at 0xE000EF00.

void NVIC_SetPendingIRQ (IRQn_t IRQn)

Set IRQn pending

void NVIC_ClearPendingIRQ (IRQn_t IRQn)

Clear IRQn pending status

uint32_t NVIC_GetActive (IRQn_t IRQn)

Return the IRQ number of the active

interrupt

void NVIC_SetPriority (IRQn_t IRQn, uint32_t priority)

Set priority for IRQn

uint32_t NVIC_GetPriority (IRQn_t IRQn)

Read priority of IRQn

void NVIC_SystemReset (void)

Reset the system

Table 43. CMSIS functions for NVIC control (continued)

CMSIS interrupt control function

Description

Table 44. NVIC register map and reset values

Offset

0x000

NVIC_ISER0

SETENA[31:0]

Reset Value

0000000 0000000000 00 00 0 0 0 0 0 0 0 0 0 0 0

0x004

NVIC_ISER1

SETENA[63:32]

Reset Value

0000000 0000000000 00 00 0 0 0 0 0 0 0 0 0 0 0

0x008

NVIC_ISER2

Reserved

SETENA [80:64]

Reset Value

0 00 00 000 00 00 000 00

0x080

NVIC_ICER0

CLRENA[31:0]

Reset Value

0000000 0000000000 00 00 0 0 0 0 0 0 0 0 0 0 0

0x084

NVIC_ICER1

CLRENA[63:32]

Reset Value

0000000 0000000000 00 00 0 0 0 0 0 0 0 0 0 0 0

0x088

NVIC_ICER2

Reserved

CLRENA [80:64]

Reset Value

0 00 00 000 00 00 000 00

0x100

NVIC_ISPR0

SETPEND[31:0]

Reset Value

0000000 0000000000 00 00 0 0 0 0 0 0 0 0 0 0 0

0x104

NVIC_ISPR1

SETPEND[63:32]

Reset Value

0000000 0000000000 00 00 0 0 0 0 0 0 0 0 0 0 0

0x108

NVIC_ISPR2

Reserved

SETPEND [80:64]

Reset Value

0 00 00 000 00 00 000 00

0x180

NVIC_ICPR0

CLRPEND[31:0]

Reset Value

0000000 0000000000 00 00 0 0 0 0 0 0 0 0 0 0 0

0x184

NVIC_ICPR1

CLRPEND[63:32]

Reset Value

0000000 0000000000 00 00 0 0 0 0 0 0 0 0 0 0 0

0x188

NVIC_ICPR2

Reserved

CLRPEND [80:64]

Reset Value

0 00 00 000 00 00 000 00

0x200

NVIC_IABR0

ACTIVE[31:0]

Reset Value

0000000 0000000000 00 00 0 0 0 0 0 0 0 0 0 0 0

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