6.7.11.3KBI2 Interrupt Edge Select Register (KBI2ES)

R

W

Reset:

7

6

5

4

3

2

1

0

KBEDG7

KBEDG6

KBEDG5

KBEDG4

KBEDG3

KBEDG2

KBEDG1

KBEDG0

 

 

 

 

 

 

 

 

0

0

0

0

0

0

0

0

 

 

 

 

 

 

 

 

 

 

Figure 6-60. KBI2 Edge Select Register (KBI2ES)

 

 

Table 6-59. KBI2ES Register Field Descriptions

 

 

 

Field

 

Description

 

 

7–0

KBI2 Edge Selects. Each of the KBEDGn bits serves a dual purpose by selecting the polarity of the active

KBEDGn

interrupt edge as well as selecting a pull-up or pull-down device if enabled.

 

0

A pull-up device is connected to the associated pin and detects falling edge/low level for interrupt generation.

 

1

A pull-down device is connected to the associated pin and detects rising edge/high level for interrupt

 

 

generation.

 

 

 

MCF51QE128 MCU Series Reference Manual, Rev. 3

Freescale Semiconductor

143

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Freescale Semiconductor MCF51QE128RM 11.3 KBI2 Interrupt Edge Select Register KBI2ES, KBI2ES Register Field Descriptions