mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 107

• Manufacturer Part Number: mc9s12xs128
• Description: Hcs12 Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

1
1
2.3.47
2.3.48
Freescale Semiconductor
Address 0x025D
Address 0x025E
Read: Anytime.
Write: Anytime.
Read: Anytime.
Write: Anytime.
Read: Anytime.
PPSP
Field
Field
PIEP
Reset
Reset
7-0
7-0
W
W
R
R
Port P 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
Port P 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)
PPSP7
PIEP7
Port P Polarity Select Register (PPSP)
Port P Interrupt Enable Register (PIEP)
0
0
7
7
PPSP6
PIEP6
0
0
6
6
Figure 2-46. Port P Interrupt Enable Register (PIEP)
Figure 2-45. Port P Polarity Select Register (PPSP)
Table 2-44. PPSP Register Field Descriptions
Table 2-45. PIEP Register Field Descriptions
S12XS Family Reference Manual, Rev. 1.10
PPSP5
PIEP5
0
0
5
5
PPSP4
PIEP4
0
0
4
4
Description
Description
PPSP3
PIEP3
3
0
3
0
PPSP2
PIEP2
0
0
Port Integration Module (S12XSPIMV1)
2
2
PPSP1
Access: User read/write
Access: User read/write
PIEP1
0
0
1
1
PPSP0
PIEP0
0
0
0
0
107
1
1