mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 145

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: 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. 2.05
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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