S3A3 Datasheet, PDF (113/139 Pages) Renesas Technology Corp – Microcontroller

S3A3
2. Electrical Characteristics
VCC
V_POR
Note:
1.0 V
Internal reset signal
(active-low)
t_w(POR)
*1
t_det t_POR
t_w(por) is the time required for a power-on reset to be enabled while the external power VCC is being held below
the valid voltage (1.0 V).
When VCC turns on, maintain t_w(por) for 1.0 ms or more.
Figure 2.85 Power-on reset timing
VCC
V_det0
t_VOFF
V_LVH
Internal reset signal
(active-low)
t_det
Figure 2.86 Voltage detection circuit timing (V_det0)
t_det
t_LVD0
R01DS0307EU0100 Rev.1.00
Mar 7, 2017
Page 113 of 139