Datasheet 35
Electrical Specifications
2.8 Recommended Connections for Unused PinsPins that are unused in an application environment (as opposed to testing environment) should be
connected to the states listed in Table2-26. Pins that must be used in an application are stated as
such and do not have a recommended state for unused connection.
Figure 2-7. System Bus Reset and Configuration Timings for Warm Reset
000777b
BCLK
PWRGOOD
RESET#
Bus Ratio
(A[21:17]#)
TA= 1.15 ns minimum; (set up time to BCLK for deassertion edge of RESET#)
TB= 1 ms minimum for warm reset
TD= 2 BCLKs minimum, 3 BCLKs maximum
TE= 4 BCLKs minimum
TF= 2 BCLKs minimum, 3 BCLKs maximum
Additional
Configuration
Signals
TBTD
TETF
TA
t1t2t3
TC
TC= Bus ratio signals must be asserted no later than RESET#
t-2 t-1 t0