CONTROL REGISTERSS3F80JB

IMR — Interrupt Mask Register

DDH Set1 Bank0

Bit Identifier

Reset Value

Read/Write

Addressing Mode

.7

.7

.6

.5

.4

.3

.2

.1

.0

x

x

x

x

x

x

x

x

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Register addressing mode only

Interrupt Level 7 (IRQ7) Enable Bit; External Interrupts P0.7–P0.4

0Disable (mask)

1Enable (un-mask)

.6

Interrupt Level 6 (IRQ6) Enable Bit; External Interrupts P0.3–P0.0

 

0

Disable (mask)

 

1

Enable (un-mask)

.5

Interrupt Level 5 (IRQ5) Enable Bit; External Interrupts P2.7–P2.4

 

0

Disable (mask)

 

1

Enable (un-mask)

 

 

 

.4

Interrupt Level 4 (IRQ4) Enable Bit; External Interrupts P2.3–P2.0

 

0

Disable (mask)

 

 

 

 

1

Enable (un-mask)

 

 

 

.3

Interrupt Level 3 (IRQ3) Enable Bit; Timer 2 Match or Overflow

 

0

Disable (mask)

 

1

Enable (un-mask)

.2

Interrupt Level 2 (IRQ2) Enable Bit; Counter A Interrupt

 

0

Disable (mask)

 

1

Enable (un-mask)

.1

Interrupt Level 1 (IRQ1) Enable Bit; Timer 1 Match or Overflow

 

0

Disable (mask)

 

 

 

 

1

Enable (un-mask)

 

 

 

.0

Interrupt Level 0 (IRQ0) Enable Bit; Timer 0 Match or Overflow

 

0

Disable (mask)

 

 

 

 

1

Enable (un-mask)

4-14

Page 81
Image 81
Samsung S3F80JB IMR Interrupt Mask Register DDH Set1 Bank0, Interrupt Level 3 IRQ3 Enable Bit Timer 2 Match or Overflow