MC9S12HZ256 Datasheet, PDF (159/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

4.3.8.6
Chapter 4 Port Integration Module (PIM9HZ256V2)
Port V Polarity Select Register (PPSV)
R
W
Reset
7
PPSV7
0
6
PPSV6
5
PPSV5
4
PPSV4
3
PPSV3
2
PPSV2
0
0
0
0
0
Figure 4-54. Port V Polarity Select Register (PPSV)
1
PPSV1
0
0
PPSV0
0
Read: Anytime. Write: Anytime.
The Port V Polarity Select Register selects whether a pull-down or a pull-up device is connected to the pin.
The Port V Polarity Select Register is effective only when the corresponding Data Direction Register bit
is set to 0 (input) and the corresponding Pull Device Enable Register bit is set to 1.
Table 4-39. PPSV Field Descriptions
Field
Description
7:0
Pull Select Port V
PPSV[7:0] 0 A pull-up device is connected to the associated port V pin.
1 A pull-down device is connected to the associated port V pin.
MC9S12HZ256 Data Sheet, Rev. 2.04
Freescale Semiconductor
159