Datasheet

Port Integration Module (S12XSPIMV1)
S12XS Family Reference Manual, Rev. 1.13
Freescale Semiconductor 115
2.3.63 Port J Polarity Select Register (PPSJ)
2.3.64 Port J Interrupt Enable Register (PIEJ)
Address 0x026D Access: User read/write
1
1
Read: Anytime
Write: Anytime
76543210
R
PPSJ7 PPSJ6
0000
PPSJ1 PPSJ0
W
Reset 00000000
Figure 2-61. Port J Polarity Select Register (PPSJ)
Table 2-60. PPSJ Register Field Descriptions
Field Description
7-6, 1-0
PPSJ
Port J 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
Address 0x026E Access: User read/write
1
1
Read: Anytime
Write: Anytime
76543210
R
PIEJ7 PIEJ6
0000
PIEJ1 PIEJ0
W
Reset 00000000
Figure 2-62. Port J Interrupt Enable Register (PIEJ)
Table 2-61. PIEJ Register Field Descriptions
Field Description
7-6, 1-0
PIEJ
Port J 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)