System Interface Unit (SIU)
MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
Freescale Semiconductor 6-55
6.3.1.12.42 Pad Configuration Register 86 (SIU_PCR86)
The SIU_PCR86 register controls the pin function, direction, and static electrical attributes of the
CNRXB_PCSC[4]_GPIO[86] pin. The CNRXB function is not available in MPC5553 (this register allows
selection of the PCSC[4] and GPIO functions).
Figure 6-54. CNRXB_PCSC[4]_GPIO[86] Pad Configuration Register (SIU_PCR86)
Refer to Table 6-16 for bit field definitions.
6.3.1.12.43 Pad Configuration Register 87 (SIU_PCR87)
The SIU_PCR87 register controls the pin function, direction, and static electrical attributes of the
CNTXC_PCSD[3]_GPIO[87] pin.
Figure 6-55. CNTXC_PCSD[3]_GPIO[87] Pad Configuration Register (SIU_PCR87)
Refer to Table 6-16 for bit field definitions.
6.3.1.12.44 Pad Configuration Register 88 (SIU_PCR88)
The SIU_PCR88 register controls the pin function, direction, and static electrical attributes of the
CNRXC_PCSD[4]_GPIO[88] pin.
Address: Base + 0x00EC Access: Read / write[4:7, 10:15]
0123456789101112131415
R 0000
PA
1
1
The CNRXB function is not available on the MPC5553. Do not select 0b01 or 0b11 for the PA field.
OBE
2
2
When configured as CNRXB or PCS, the OBE bit has no effect. When configured as GPO, set the OBE bit to 1.
IBE
3
3
When configured as CNRXB or PCS 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.
00
ODE HYS SRC WPE WPS
W
RESET: 0000000000000011
Address: Base + 0x00EE Access: Read / write[4:7, 10:15]
0123456789101112131415
R 0000
PA OBE
1
1
When configured as CNTXC or PCS, the OBE bit has no effect. When configured as GPO, set the OBE bit to 1.
IBE
2
2
When configured as CNTXC or PCS 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.
00
ODE HYS SRC WPE WPS
W
RESET: 0000000000000011
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