MC9S12E32CFU FREESCALE [Freescale Semiconductor, Inc], MC9S12E32CFU Datasheet - Page 132

• Manufacturer Part Number: MC9S12E32CFU
• Description: HCS12 Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Chapter 3 Port Integration Module (PIM9E128V1)
3.3.1.4
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.
132
RDRAD[15:0]
Reset
Reset
Field
15:0
W
W
R
R
RDRAD15
RDRAD7
Port AD Reduced Drive Register (RDRAD)
Reduced Drive Port AD
0 Full drive strength at output.
1 Associated pin drives at about 1/3 of the full drive strength.
0
0
7
7
RDRAD14
RDRAD6
0
0
6
6
Figure 3-5. Port AD Reduced Drive Register (RDRAD)
RDRAD13
Table 3-4. RDRAD Field Descriptions
RDRAD5
MC9S12E128 Data Sheet, Rev. 1.07
0
0
5
5
RDRAD12
RDRAD4
0
0
4
4
Description
RDRAD11
RDRAD3
0
0
3
3
RDRAD10
RDRAD2
0
0
2
2
RDRAD9
RDRAD1
Freescale Semiconductor
0
0
1
1
RDRAD8
RDRAD0
0
0
0
0