MC9S12P128 Datasheet, PDF (75/564 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

2.3.21 Port T Polarity Select Register (PPST)
Port Integration Module (S12PPIMV1)
Address 0x0245
R
W
Reset
7
PPST7
0
1. Read: Anytime
Write: Anytime
6
PPST6
5
PPST5
4
PPST4
3
PPST3
2
PPST2
0
0
0
0
0
Figure 2-19. Port T Polarity Select Register (PPST)
Access: User read/write⁽¹⁾
1
0
PPST1
PPST0
0
0
Table 2-19. PPST Register Field Descriptions
Field
7-0
PPST
Description
Port T pull device select—Configure pull device polarity on input pin
This bit selects a pull-up or a pull-down device if enabled on the associated port input pin.
1 A pull-down device is selected
0 A pull-up device is selected
2.3.22 PIM Reserved Register
Address 0x0246
7
6
5
4
3
2
R
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
= Unimplemented or Reserved
1. Read: Always reads 0x00
Write: Unimplemented
Figure 2-20. PIM Reserved Register
Access: User read⁽¹⁾
1
0
0
0
0
0
S12P-Family Reference Manual, Rev. 1.12
Freescale Semiconductor
75