RX230 Datasheet, PDF (157/177 Pages) Renesas Technology Corp – 54-MHz 32-bit RX MCUs, built-in FPU, 88.56 DMIPS, up to 512-KB flash memory

RX230 Group, RX231 Group
5. Electrical Characteristics
5.11 Oscillation Stop Detection Timing
Table 5.59 Oscillation Stop Detection Timing
Conditions: 1.8 V ≤ VCC = VCC_USB = AVCC0 ≤ 5.5 V, VSS = AVSS0 = VREFL0 = VSS_USB = 0 V, T_a = –40 to +105°C
Item
Symbol
Min.
Typ.
Max.
Unit
Test Conditions
Detection time
t_dr
—
—
1
ms Figure 5.77
M ain clock
O S TD S R .O S TD F
Low -speed clock
IC LK
tdr
W h en the m ain clock is se lected
M a in clock
O STD SR .O STD F
PLL clock
Low-speed clock
IC LK
Figure 5.77 Oscillation Stop Detection Timing
tdr
W h en the P L L clo ck is selecte d
R01DS0261EJ0110 Rev.1.10
Oct 30, 2015
Page 157 of 177