System Interface Unit (SIU)
MPC5553/MPC5554 Microcontroller Reference Manual,
Rev. 5
Freescale Semiconductor
6-39
6.3.1.12.19
MPC5553: Pad Configuration Register 57 (SIU_PCR57)
The SIU_PCR57 register controls the pin function, direction, and static electrical attributes of the
DATA[29]_FEC_RXD[1]_CAL_DATA[13]_GPIO[57] pin.
Figure 6-32. MPC5553: DATA[29]_FEC_RXD[1]_CAL_DATA[13]_GPIO[57]
Pad Configuration Register (SIU_PCR57)
Refer to
for bit field definitions.
Address: Base + 0x00B2
Access: Read / write[3:11, 14:15]
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
0
0
0
PA
1
1
CAL_DATA[13] is for calibration only.
OBE
2
2
When configured as DATA[29], FEC_RXD[1], or CAL_DATA[13], the OBE bit has no effect. When configured as GPO, set the
OBE bit to 1.
IBE
3
3
When configured as DATA[29], FEC_RXD[1], CAL_DATA[13], or GPO, set the IBE bit to 1 to reflect the pin state in the
corresponding GPDI register. Clear the IBE to 0 to reduce power consumption. When configured as GPI, set the IBE bit to 1.
DSC
ODE
4
4
When configured as DATA[29] or CAL_DATA[13], clear the ODE bit to 0.
HYS
5
5
If external master operation is enabled, clear the HYS bit to 0.
0
0
WPE
6
6
Refer to the EBI section for weak pullup settings when configured as DATA[29] or CAL_DATA[13].
WPS
W
RESET:
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
Table 6-31. PCR57 PA Field Definition
PA Field
Pin Function
0b000
GPIO[57]
0b001
DATA[29]
0b010
FEC_RXD[1]
0b011
Reserved
0b100
CAL_DATA[13]
1
1
For calibration only.
Summary of Contents for MPC5553
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