SH7720 Datasheet, PDF (1419/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 38 Electrical Characteristics
38.4.10 RTC Signal Timing
Table 38.12 RTC Signal Timing
Conditions: V_CCQ = 2.7 to 3.6 V, V_CCQ1 = 2.7 to 3.6 V or 1.65 to 1.95 V,
V_CC = 1.4 to 1.6 V, AV_CC = 3.0 to 3.6 V, Ta = –20 to 75°C
Module Item
RTC Oscillation settling time
Symbol
t_ROSC
Min.
3
Max.

Unit Figure
s
38.49
Stable oscillation
RTC crystal
osillator
V_CC
V_CCmin
t_ROSC
Figure 38.49 Oscillation Settling Time when RTC Crystal Oscillator is Turned On
Rev. 3.00 Jan. 18, 2008 Page 1357 of 1458
REJ09B0033-0300