NXP Semiconductors MPC5644A, Reference Manual, Page: 490 / 1735

System Integration Unit (SIU)
MPC5644A Microcontroller Reference Manual, Rev. 6
490 Freescale Semiconductor
16.6.15.112Pad Configuration Register 192 (SIU_PCR192)
Figure 16-145. Pad Configuration Register (SIU_PCR192)
Table 16-147. SIU_PCR191 PA values
Signal Name Module Description I/O
1,2
1
In cases where an I/O function can be either an input or an output, I/O direction is specified using the IBE and OBE
bits. Set IBE = 1 for input or OBE = 1 for output.
2
For I/O functions that change direction dynamically, such as the external data bus, switching between input and
output is handled internally and the IBE and OBE bits are ignored.
PA value
Primary EMIOS[12] eMIOS eMIOS channel I/O 0b001
ALT1 DSPI_C_SOUT DSPI Output O 0b010
ALT2 ETPU_A[27] eTPU eTPU channel O 0b100
GPIO GPIO[191] SIU GPIO I/O 0b000
S0x1C0
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
The OBE bit must be set to one for GPIO[192] when configured as an output.
IBE
2
2
When configured as GPO, the IBE bit may be set to one to reflect the pin state in the corresponding GPDI register.
Setting the IBE bit to zero reduces power consumption. The IBE bit must be set to one for GPIO[192] when
configured as an input.
0 0 ODE HYS SRC WPE WPS
3
3
The weak pull up/down selection at reset for the EMIOS[13] pin is determined by the WKPCFG pin.
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 WKP
= Unimplemented or Reserved
Table 16-148. SIU_PCR192 PA values
Signal Name Module Description I/O
1,2
1
In cases where an I/O function can be either an input or an output, I/O direction is specified using the IBE and OBE
bits. Set IBE = 1 for input or OBE = 1 for output.
2
For I/O functions that change direction dynamically, such as the external data bus, switching between input and
output is handled internally and the IBE and OBE bits are ignored.
PA value
Primary EMIOS[13] eMIOS eMIOS channel I/O 0b01
ALT1 DSPI_D_SOUT DSPI Output O 0b10
GPIO GPIO[192] SIU GPIO I/O 0b00