Port Integration Module (S12PPIMV1)
2.3.19 Port T Reduced Drive Register (RDRT)
Address 0x0243
Access: User read/write(1)
7
6
5
4
3
2
1
0
R
W
RDRT7
RDRT6
RDRT5
RDRT4
RDRT3
RDRT2
RDRT1
RDRT0
Reset
0
0
0
0
0
0
0
0
Figure 2-17. Port T Reduced Drive Register (RDRT)
1. Read: Anytime
Write: Anytime
Table 2-17. RDRT Register Field Descriptions
Description
Field
7-0
Port T reduced drive—Select reduced drive for output pin
RDRT
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
2.3.20 Port T Pull Device Enable Register (PERT)
Address 0x0244
Access: User read/write(1)
7
6
5
4
3
2
1
0
R
W
PERT7
PERT6
PERT5
PERT4
PERT3
PERT2
PERT1
PERT0
Reset
0
0
0
0
0
0
0
0
Figure 2-18. Port T Pull Device Enable Register (PERT)
1. Read: Anytime
Write: Anytime
Table 2-18. PERT Register Field Descriptions
Description
Field
7-0
Port T pull device enable—Enable pull device on input pin
PERT
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
S12P-Family Reference Manual, Rev. 1.13
74
Freescale Semiconductor
FREESCALE [ Freescale ]
