Datasheet

R01DS0098EJ0180 Rev.1.80 Page 188 of 208
May 13, 2014
RX63N Group, RX631 Group 5. Electrical Characteristics
5.9 Oscillation Stop Detection Timing
Figure 5.67 Oscillation Stop Detection Timing
Table 5.34 Oscillation Stop Detection Circuit Characteristics
Conditions: VCC = AVCC0 = VREFH = VCC_USB = V
BATT
= 2.7 to 3.6 V, VREFH0 = 2.7 V to AVCC0
VSS = AVSS0 = VREFL/VREFL0 = VSS_USB = 0 V
T
a
= T
opr
Item Symbol Min. Typ. Max. Unit
Test
Conditions
Detection time t
dr
— — 1 ms Figure 5.67
t
dr
Main clock or
PLL clock
OSTDSR.OSTDF
LOCO clock
ICLK