MC9S08DZ96F2CLL datasheet(135/458 Pages) FREESCALE

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Chapter 6 Parallel Input/Output Control

MC9S08DZ128 Series Data Sheet, Rev. 1

Freescale Semiconductor

135

6.5.9.7

Port J Interrupt Pin Select Register (PTJPS)

6.5.9.8

Port J Interrupt Edge Select Register (PTJES)

76543210

PTJPS7

PTJPS6

PTJPS5

PTJPS4

PTJPS3

PTJPS2

PTJPS1

PTJPS0

Reset:

00000000

Figure 6-58. Port J Interrupt Pin Select Register (PTJPS)

Table 6-56. PTJPS Register Field Descriptions

Field

Description

7:0

PTJPS[7:0]

Port J Interrupt Pin Selects — Each of the PTJPSn bits enable the corresponding port J interrupt pin.

0 Pin not enabled as interrupt.

1 Pin enabled as interrupt.

76543210

PTJES7

PTJES6

PTJES5

PTJES4

PTJES3

PTJES2

PTJES1

PTJES0

Reset:

00000000

Figure 6-59. Port J Edge Select Register (PTJES)

Table 6-57. PTJES Register Field Descriptions

Field

Description

7:0

PTJES[7:0]

Port J Edge Selects — Each of the PTJESn 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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