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7.6.5 CPU Reset
A CPU Reset is initiated by the HPI or PCI peripheral. This reset only affects the CPU. During a PCI-
initiated CPU Reset, the PCI pins are set to their reset state. With the exception of the HRDY/PIRDY pin,
the PCI pins have a reset state of high-impedance; the HRDY/PIRDY pin goes high during reset.
7.6.6 Reset Priority
If any of the above reset sources occur simultaneously, the PLLCTRL only processes the highest priority
reset request. The rest request priorities are as follows (high to low):
• Power-on Reset
• Maximum Reset
• Warm Reset
• System Reset
• CPU Reset
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C64x+ Peripheral Information and Electrical Specifications

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TMS320C6455
SPRS276M – MAY 2005 – REVISED MARCH 2012
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