M16C5L_15 Datasheet, PDF (93/116 Pages) Renesas Technology Corp – RENESAS MCU

M16C/5L Group, M16C/56 Group
5. Electrical Characteristics
K-Version
Table 5.54 Power-On Reset Circuit
The measurement condition is T_opr = -40°C to 125°C, unless otherwise specified.
Symbol
Parameter
Condition
Standard
Unit
Min. Typ. Max.
t_rth
External power V_CC rise gradient
2.0
50000 mV/ms
t_fth
External power V_CC fall gradient
50000 mV/ms
V_por
Voltage at which power-on reset enabled ⁽¹⁾
0.1
V
t_w(por)
Hold time at which power-on reset enabled
1.0
ms
Note:
1. To use the power-on reset function, enable voltage monitor 0 reset by setting the LVDAS bit in the OFS1 address
to 0.
Vdet0
t rth
External Power VCC
Vpor
tw(por)
Internal
reset signal
t fth
1
× 128
f_OCO-S
Vdet0
t rth
1
× 128
f _OCO-S
Figure 5.27 Power-On Reset Circuit Electrical Characteristics
Table 5.55 Power Supply Circuit Timing Characteristics
Symbol
Parameter
Measuring Condition
t_d(P-R)
Time for internal power supply stabilization VCC = 3.0 V to 5.5V
during powering-on
t_d(R-S)
t_d(W-S)
STOP release time
Low power mode wait mode release time
Note:
1. When V_CC = 5 V.
Standard
Unit
Min. Typ. Max.
5
ms
300 μs
300 μs
R01DS0035EJ0110 Rev.1.10
Sep 01, 2011
Page 93 of 112