S3S12HZ256J3CAA FREESCALE [Freescale Semiconductor, Inc], S3S12HZ256J3CAA Datasheet - Page 155

• Manufacturer Part Number: S3S12HZ256J3CAA
• Description: HCS12 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

4.3.7.6
Read: Anytime. Write: Anytime.
The Port U Polarity Select Register selects whether a pull-down or a pull-up device is connected to the pin.
The Port U 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.
Freescale Semiconductor
PPSU[7:0]
Reset
Field
7:0
W
R
PPSU7
Pull Select Port U
0 A pull-up device is connected to the associated port U pin.
1 A pull-down device is connected to the associated port U pin.
Port U Polarity Select Register (PPSU)
0
7
PPSU6
0
6
Figure 4-48. Port U Polarity Select Register (PPSU)
Table 4-35. PPSU Field Descriptions
PPSU5
MC9S12HZ256 Data Sheet, Rev. 2.04
0
5
PPSU4
0
4
Description
PPSU3
0
3
Chapter 4 Port Integration Module (PIM9HZ256V2)
PPSU2
0
2
PPSU1
0
1
PPSU0
0
0
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