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

SFR Definition 9.11. EIE2: Extended Interrupt Enable 2

R/W

 

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Reset Value

-

 

-

-

 

-

 

-

 

-

ES1

EVBUS

00000000

Bit7

 

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

SFR Address:

 

 

 

 

 

 

 

 

 

 

 

 

0xE7

Bits7–2:

UNUSED. Read = 000000b. Write = don’t care.

 

 

 

 

Bit1:

ES1: Enable UART1 Interrupt.

 

 

 

 

 

 

 

This bit sets the masking of the UART1 interrupt.

 

 

 

 

 

0: Disable UART1 interrupt.

 

 

 

 

 

 

 

 

 

1: Enable UART1 interrupt.

 

 

 

 

 

 

 

 

Bit0:

EVBUS: Enable VBUS Level Interrupt.

 

 

 

 

 

 

 

This bit sets the masking of the VBUS interrupt.

 

 

 

 

0: Disable all VBUS interrupts.

1: Enable interrupt requests generated by VBUS level sense.

SFR Definition 9.12. EIP2: Extended Interrupt Priority 2

 

R/W

 

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Reset Value

 

-

 

-

-

-

 

-

 

-

PS1

PVBUS

00000000

 

Bit7

 

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

SFR Address:

 

 

 

 

 

 

 

 

 

 

 

 

0xF7

 

Bits7–2:

UNUSED. Read = 000000b. Write = don’t care.

 

 

 

 

 

Bit1:

PS1: UART1 Interrupt Priority Control.

 

 

 

 

 

 

 

 

This bit sets the priority of the UART1 interrupt.

 

 

 

 

 

 

0: UART1 interrupt set to low priority level.

 

 

 

 

 

 

1: UART1 interrupts set to high priority level.

 

 

 

 

 

Bit0:

PVBUS: VBUS Level Interrupt Priority Control.

 

 

 

 

 

 

This bit sets the priority of the VBUS interrupt.

 

 

 

 

 

 

0: VBUS interrupt set to low priority level.

 

 

 

 

 

 

1: VBUS interrupt set to high priority level.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Silicon Laboratories C8051F345, C8051F347 SFR Definition 9.11. EIE2 Extended Interrupt Enable, ES1 Evbus, PS1 Pvbus