Silicon Laboratories Stepper Machine Especificações descarregar pdf (Página 85)

C8051F330/1

Rev. 1.1 85

Figure 9.10. IP: Interrupt Priority

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 interrupt 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 interrupt 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 interrupt 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.

R 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

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 203 204

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Silicon Laboratories Stepper Machine Especificações Página 85