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Edition 5-4
SIGNAL DESCRIPTION
REQ64~ Request a 64-bit transfer
ACK64~ Acknowledge 64-bit transfer
ENUM~ System Enumeration signal. This is an optional signal used in hot-swap applications
RST~ CompactPCI backplane reset signal
TDI
JTAG Test Input. Used (in conjunction with TCK) to shift data out of the Test Access Port in a serial
bit stream
TDO JTAG Test Output. Used (in conjunction with TCK) to shift data into the TAP in a serial bit stream
TCK
JTAG Test Clock - used to clock state information and data into and out of the TAP during boundary
scan
TMS JTAG Test Mode Select. Used to control the state of the TAP controller
TRST~ JTAG Test Reset - Used to force the TAP controller into an initialized state
INTP Legacy Interrupt Input. Not used on PowerPact6 processors
INTS Legacy Interrupt Input. Not used on PowerPact6 processors
BRSVP1A5/
PRI_AUTOWR~
Link selection between bused reserved signal BRSVP1A5 and JTAG AutoWrite Enable signal
HEALTHY~ Board Healthy. Hot swap signal
BD_SEL~ Board Select. Hot swap signal
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