System Interface Unit (SIU)
MPC5553/MPC5554 Microcontroller Reference Manual,
Rev. 5
Freescale Semiconductor
6-57
6.3.1.12.46
Pad Configuration Register 90 (SIU_PCR90)
The SIU_PCR90 register controls the pin function, direction, and static electrical attributes of the
RXDA_GPIO[90] pin.
Figure 6-58. RXDA_GPIO[90] Pad Configuration Register (SIU_PCR90)
Refer to
for bit field definitions.
6.3.1.12.47
Pad Configuration Register 91 (SIU_PCR91)
The SIU_PCR91 register controls the pin function, direction, and static electrical attributes of the
TXDB_PCSD[1]_GPIO[91] pin.
Figure 6-59. TXDB_PCSD[1]_GPIO[91] Pad Configuration Register (SIU_PCR91)
Refer to
for bit field definitions.
Address: Base + 0x00F4
Access: Read / write[5:7, 10:15]
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
0
0
0
0
0
PA
OBE
1
1
When configured as RXDA, the OBE bit has no effect. When configured as GPO, set the OBE bit to 1.
IBE
2
2
When configured as RXDA 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.
0
0
ODE
HYS
SRC
WPE
WPS
W
RESET:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
Address: Base + 0x00F6
Access: Read / write[4:7, 10:15]
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
0
0
0
0
PA
OBE
1
1
When configured as TXDB or PCS, the OBE bit has no effect. When configured as GPO, set the OBE bit to 1.
IBE
2
2
When configured as TXDB or PCS or GPO, set the IBE bit to 1 to reflect the pin state in the corresponding GPDI register. For
SCI loop back operation the IBE bit must be set to 1. Clear the IBE to 0 to reduce power consumption. When configured as
GPI, set the IBE bit to 1.
0
0
ODE
HYS
SRC
WPE
WPS
W
RESET:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
Summary of Contents for MPC5553
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