S3S12HZ256J3CAA FREESCALE [Freescale Semiconductor, Inc], S3S12HZ256J3CAA Datasheet - Page 145

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

4.3.5.4
Read: Anytime. Write: Anytime.
This register configures the drive strength of configured output pins as either full or reduced. If a pin is
configured as input, the corresponding Reduced Drive Register bit has no effect.
Freescale Semiconductor
RDRS[7:4]
RDRS[1:0]
Reset
Field
7:4
1:0
W
R
RDRS7
Reduced Drive Port S
0 Full drive strength at output.
1 Associated pin drives at about 1/3 of the full drive strength.
Reduced Drive Port S
0 Full drive strength at output.
1 Associated pin drives at about 1/3 of the full drive strength.
Port S Reduced Drive Register (RDRS)
0
7
= Reserved or Unimplemented
RDRS6
0
6
Figure 4-33. Port S Reduced Drive Register (RDRS)
Table 4-24. RDRS Field Descriptions
RDRS5
MC9S12HZ256 Data Sheet, Rev. 2.04
0
5
RDRS4
0
4
Description
0
0
3
Chapter 4 Port Integration Module (PIM9HZ256V2)
0
0
2
RDRS1
0
1
RDRS0
0
0
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