MC9S12GRMV1 Datasheet, PDF (210/1292 Pages) Freescale Semiconductor, Inc – MC9S12G Family Reference Manual and Data Sheet

Port Integration Module (S12GPIMV1)
Table 2-32. PUCR Register Field Descriptions (continued)
Field
Description
2
PUPCE
Port C Pullup Enable—Enable pullup devices on all port input pins
This bit configures whether a pullup device is activated on all associated port input pins. If a pin is used as output
this bit has no effect.
1
PUPBE
1 Pullup devices enabled
0 Pullup devices disabled
Port B Pullup Enable—Enable pullup devices on all port input pins
This bit configures whether a pullup device is activated on all associated port input pins. If a pin is used as output
this bit has no effect.
0
PUPAE
1 Pullup devices enabled
0 Pullup devices disabled
Port A Pullup Enable—Enable pullup devices on all port input pins
This bit configures whether a pullup device is activated on all associated port input pins. If a pin is used as output
this bit has no effect.
1 Pullup devices enabled
0 Pullup devices disabled
MC9S12G Family Reference Manual, Rev.1.23
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