S9S12XS256J0CAL Datasheet, PDF (110/738 Pages) Freescale Semiconductor, Inc – Microcontrollers

Port Integration Module (S12XSPIMV1)
2.3.53 Port H Reduced Drive Register (RDRH)
Address 0x0263
R
W
Reset
7
RDRH7
0
1 _{Read: Anytime}
Write: Anytime
6
RDRH6
5
RDRH5
4
RDRH4
3
RDRH3
2
RDRH2
0
0
0
0
0
Figure 2-51. Port H Reduced Drive Register (RDRH)
Access: User read/write¹
1
0
RDRH1
RDRH0
0
0
Table 2-50. RDRH Register Field Descriptions
Field
7-0
RDRH
Description
Port H reduced drive—Select reduced drive for output pin
This bit configures the drive strength of the associated output pin as either full or reduced. If a pin is used as input
this bit has no effect. The reduced drive function is independent of which function is being used on a particular pin.
1 Reduced drive selected (approx. 1/5 of the full drive strength)
0 Full drive strength enabled
2.3.54 Port H Pull Device Enable Register (PERH)
Address 0x0264
R
W
Reset
7
PERH7
0
1 _{Read: Anytime}
Write: Anytime
6
PERH6
5
PERH5
4
PERH4
3
PERH3
2
PERH2
0
0
0
0
0
Figure 2-52. Port H Pull Device Enable Register (PERH)
Access: User read/write¹
1
0
PERH1
PERH0
0
0
Table 2-51. PERH Register Field Descriptions
Field
7-0
PERH
Description
Port H pull device enable—Enable pull device on input pin
This bit controls whether a pull device on the associated port input pin is active. If a pin is used as output this bit has
no effect. The polarity is selected by the related polarity select register bit.
1 Pull device enabled
0 Pull device disabled
S12XS Family Reference Manual, Rev. 1.13
110
Freescale Semiconductor