S9S12XS256J0CAL Datasheet, PDF (111/738 Pages) Freescale Semiconductor, Inc – Microcontrollers

2.3.55 Port H Polarity Select Register (PPSH)
Port Integration Module (S12XSPIMV1)
Address 0x0265
R
W
Reset
7
PPSH7
0
1 _{Read: Anytime}
Write: Anytime
6
PPSH6
5
PPSH5
4
PPSH4
3
PPSH3
2
PPSH2
0
0
0
0
0
Figure 2-53. Port H Polarity Select Register (PPSH)
Access: User read/write¹
1
0
PPSH1
PPSH0
0
0
Table 2-52. PPSH Register Field Descriptions
Field
7-0
PPSH
Description
Port H pull device select—Configure pull device and pin interrupt edge polarity on input pin
This bit selects a pull-up or a pull-down device if enabled on the associated port input pin.
This bit also selects the polarity of the active pin interrupt edge.
1 A pull-down device selected; rising edge selected
0 A pull-up device selected; falling edge selected
2.3.56 Port H Interrupt Enable Register (PIEH)
Address 0x0266
R
W
Reset
7
PIEH7
0
1 _{Read: Anytime}
Write: Anytime
6
PIEH6
5
PIEH5
4
PIEH4
3
PIEH3
2
PIEH2
0
0
0
0
0
Figure 2-54. Port H Interrupt Enable Register (PIEH)
Access: User read/write¹
1
0
PIEH1
PIEH0
0
0
Field
7-0
PIEH
Table 2-53. PIEH Register Field Descriptions
Description
Port H interrupt enable—
This bit enables or disables on the edge sensitive pin interrupt on the associated pin.
1 Interrupt enabled
0 Interrupt disabled (interrupt flag masked)
S12XS Family Reference Manual, Rev. 1.13
Freescale Semiconductor
111