NXP Semiconductors MPC5644A, Reference Manual, Page: 511 / 1735

System Integration Unit (SIU)
MPC5644A Microcontroller Reference Manual, Rev. 6
Freescale Semiconductor 511
16.6.15.146Pad Configuration Register 227 (SIU_PCR227)
Figure 16-179. Pad Configuration Register (SIU_PCR227)
16.6.15.147Pad Configuration Register 228 (SIU_PCR228)
Figure 16-180. Pad Configuration Register (SIU_PCR228)
16.6.15.148Pad Configuration Register 229 (SIU_PCR229)
The SIU_PCR229 register controls the enabling/disabling and drive strength of the CLKOUT pin. The
CLKOUT pin is enabled and disabled by setting and clearing the OBE bit. The CLKOUT pin is enabled
during reset.
Figure 16-181. Pad Configuration Register (SIU_PCR229)
S0x206
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R
0 0 0 0 0 PA OBE IBE 0 0 ODE HYS SRC WPE WPS
W
Reset
0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1
= Unimplemented or Reserved
Table 16-182. SIU_PCR227 PA values
Signal Name Module Description I/O PA value
Primary EVTO Nexus Nexus event out O —
S0x208
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R
0 0 0 0 0 0 0 0 0 0 0 0 SRC 0 0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
= Unimplemented or Reserved
Table 16-183. SIU_PCR228 PA values
Signal Name Module Description I/O PA value
Primary TDO JTAG Nexus event out O 01
S0x20A
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
CLKOUT pin is enabled and disabled by setting and clearing the OBE bit.
0 DSC ODE HYS 0 0 WPE WPS
W
Reset
0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0
= Unimplemented or Reserved