System Interface Unit (SIU)
MPC5553/MPC5554 Microcontroller Reference Manual,
Rev. 5
Freescale Semiconductor
6-61
6.3.1.12.54
Pad Configuration Register 98 (SIU_PCR98)
The SIU_PCR98 register controls the pin function, direction, and static electrical attributes of the
PCSA[2]_SCKD_GPIO[98] pin. The PCSA[2] function is only available on the MPC5554. Although the
PCSA[2] function is not available in the MPC5553, this register enables the selection of the SCKD or
GPIO function for the MPC5553.
Figure 6-66. PCSA[2]_SCKD_GPIO[98] Pad Configuration Register (SIU_PCR98)
Refer to
for bit field definitions.
6.3.1.12.55
Pad Configuration Register 99 (SIU_PCR99)
The SIU_PCR99 register controls the pin function, direction, and static electrical attributes of the
PCSA[3]_SIND_GPIO[99] pin. The PCSA[3] function is only available on the MPC5554. Although the
PCSA[3] function is not available in the MPC5553, this register enables the selection of the SIND or GPIO
function for the MPC5553.
Figure 6-67. PCSA[3]_SIND_GPIO[99] Pad Configuration Register (SIU_PCR99)
Refer to
for bit field definitions.
Address: Base + 0x0104
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
1
1
The PCSA[2] function is only available on the MPC5554; it is not available on the MPC5553. Therefore, set the PA field value
for 0b01 or 0b11 only on the MPC5554. Valid MPC5553 PA settings are 0b10 for the SCKD or 0b00 for GPIO.
OBE
2
2
When configured as PCSA, the OBE bit has no effect. When configured as SCKD, set the OBE bit to 1 for master operation,
or clear the OBE to 0 for slave operation. When configured as GPO, set the OBE bit to 1.
IBE
3
3
When configured as SCKD in slave operation, set the IBE bit to 1. When configured as PCSA or SCKD in master operation 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 + 0x0106
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
1
1
The PCSA[3] function is only available on the MPC5554; it is not available on the MPC5553. Therefore, set the PA field value
for 0b01 or 0b11 only on the MPC5554. Valid MPC5553 PA settings are 0b10 for the SIND or 0b00 for GPIO.
OBE
2
2
When configured as PCSA, the OBE bit has no effect. When configured as GPO, set the OBE bit to 1.
IBE
3
3
When configured as PCSA or SIND 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
Summary of Contents for MPC5553
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