Figure 22.61 Tclk Input Timing; Figure 22.62 Rtc Oscillation Settling Time At Power-On; Figure 22.63 Sck Input Clock Timing - Hitachi SH7750 Hardware Manual

TCLK
t t
TCLKWH TCLKWL
t t
TCLKf TCLKr

Figure 22.61 TCLK Input Timing

Stable oscillation
RTC internal clock
V
DD-RTC
V min
DD-RTC
t
ROSC

Figure 22.62 RTC Oscillation Settling Time at Power-On

t
SCKW
SCK, SCK2
t
Scyc
t t
SCKf SCKr

Figure 22.63 SCK Input Clock Timing

Rev. 6.0, 07/02, page 930 of 986