MC9S08DN60F1CLF datasheet(98/356 Pages) FREESCALE

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Chapter 6 Parallel Input/Output Control

MC9S08DN60 Series Data Sheet, Rev 3

Freescale Semiconductor

6.5.4.7

Port D Interrupt Pin Select Register (PTDPS)

6.5.4.8

Port D Interrupt Edge Select Register (PTDES)

76543210

PTDPS7

PTDPS6

PTDPS5

PTDPS4

PTDPS3

PTDPS2

PTDPS1

PTDPS0

Reset:

00000000

Figure 6-30. Port D Interrupt Pin Select Register (PTDPS)

Table 6-28. PTDPS Register Field Descriptions

Field

Description

7:0

PTDPS[7:0]

Port D Interrupt Pin Selects — Each of the PTDPSn bits enable the corresponding port D interrupt pin.

0 Pin not enabled as interrupt.

1 Pin enabled as interrupt.

76543210

PTDES7

PTDES6

PTDES5

PTDES4

PTDES3

PTDES2

PTDES1

PTDES0

Reset:

00000000

Figure 6-31. Port D Edge Select Register (PTDES)

Table 6-29. PTDES Register Field Descriptions

Field

Description

7:0

PTDES[7:0]

Port D Edge Selects — Each of the PTDESn bits serves a dual purpose by selecting the polarity of the active

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.

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