C8051F340/1/2/3/4/5/6/7

SFR Definition 9.8. IP: Interrupt Priority

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Reset Value

-

PSPI0

PT2

PS0

PT1

PX1

PT0

PX0

10000000

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

SFR Address:

 

 

 

 

 

 

 

(bit addressable)

0xB8

Bit7:

UNUSED. Read = 1, Write = don't care.

 

 

 

 

Bit6:

PSPI0: Serial Peripheral Interface (SPI0) Interrupt Priority Control.

 

 

 

This bit sets the priority of the SPI0 interrupt.

 

 

 

 

 

0: SPI0 interrupt set to low priority level.

 

 

 

 

 

1: SPI0 interrupt set to high priority level.

 

 

 

 

Bit5:

PT2: Timer 2 Interrupt Priority Control.

 

 

 

 

 

 

This bit sets the priority of the Timer 2 interrupt.

 

 

 

 

 

0: Timer 2 interrupt set to low priority level.

 

 

 

 

 

1: Timer 2 interrupts set to high priority level.

 

 

 

 

Bit4:

PS0: UART0 Interrupt Priority Control.

 

 

 

 

 

 

This bit sets the priority of the UART0 interrupt.

 

 

 

 

 

0: UART0 interrupt set to low priority level.

 

 

 

 

 

1: UART0 interrupts set to high priority level.

 

 

 

 

Bit3:

PT1: Timer 1 Interrupt Priority Control.

 

 

 

 

 

 

This bit sets the priority of the Timer 1 interrupt.

 

 

 

 

 

0: Timer 1 interrupt set to low priority level.

 

 

 

 

 

1: Timer 1 interrupts set to high priority level.

 

 

 

 

Bit2:

PX1: External Interrupt 1 Priority Control.

 

 

 

 

 

This bit sets the priority of the External Interrupt 1 interrupt.

 

 

 

 

0: External Interrupt 1 set to low priority level.

 

 

 

 

 

1: External Interrupt 1 set to high priority level.

 

 

 

 

Bit1:

PT0: Timer 0 Interrupt Priority Control.

 

 

 

 

 

 

This bit sets the priority of the Timer 0 interrupt.

 

 

 

 

 

0: Timer 0 interrupt set to low priority level.

 

 

 

 

 

1: Timer 0 interrupt set to high priority level.

 

 

 

 

Bit0:

PX0: External Interrupt 0 Priority Control.

 

 

 

 

 

This bit sets the priority of the External Interrupt 0 interrupt.

 

 

 

 

0: External Interrupt 0 set to low priority level.

 

 

 

 

 

1: External Interrupt 0 set to high priority level.

 

 

 

 

Rev. 0.5

91

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Image 91
Silicon Laboratories C8051F343, C8051F347 SFR Definition 9.8. IP Interrupt Priority, PSPI0 PT2 PS0 PT1 PX1 PT0 PX0