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Rev. 5.00, 09/03, page 707 of 760
t
TCLKS
CKIO
TCLK
(input)
Figure 23.47 TCLK Input Timing
t
TCKS
t
TCKS
t
TCKWH
t
TCKWL
CKIO
TCLK
(input)
Figure 23.48 TCLK Clock Input Timing
RTC crystal
oscillator
Stable
oscillation
V
CC
V
CCmin
t
ROSC
Figure 23.49 Oscillation Settling Time at RTC Crystal Oscillator Power-on
t
SCKW
SCK
(input)
t
SCKR
t
SCKF
t
SCYC
Figure 23.50 SCK Input Clock Timing