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Signal Description
74 Datasheet, Volume 1
6.13 Ground and Non-Critical to Function (NCTF)
Signals
6.14 Processor Internal Pull-Up / Pull-Down Resistors
§ §
Table 6-15. Ground and Non-Critical to Function (NCTF) Signals
Signal Name Description
Direction/
Buffer Type
VSS Processor ground node GND
VSS_NCTF (BGA Only)
Non-Critical to Function: These signals are for package
mechanical reliability.
Table 6-16. Processor Internal Pull-Up / Pull-Down Resistors
Signal Name Pull-Up / Pull-Down Rail Value
BPM[7:0] Pull Up VCCIO 65–165
PRDY# Pull Up VCCIO 65–165
PREQ# Pull Up VCCIO 65–165
TCK Pull Down VSS 5–15 k
TDI Pull Up VCCIO 5–15 k
TMS Pull Up VCCIO 5–15 k
TRST# Pull Up VCCIO 5–15 k
CFG[17:0] Pull Up VCCIO 5–15 k