Datasheet

M32C/8B Group 5. Electrical Characteristics
REJ03B0242-0100 Rev.1.00 Nov 01, 2009
Page 41 of 67
Table 5.11 Voltage Detection Circuit Electrical Characteristics
(VCC1 = VCC2 = 3.0 to 5.5 V, VSS = 0 V, Topr = 25°C unless otherwise specified)
Table 5.12 Power Supply Timing Characteristics
Figure 5.1 Power Supply Timing Diagram
Symbol Parameter
Standard
Unit
Min. Typ. Max.
ΔVdet Detection voltage level accuracy VCC1 = 3.0 V to 5.5 V ±0.30 V
Symbol Parameter Measurement Condition
Standard
Unit
Min. Typ. Max.
td(P-R) Wait time to stabilize internal supply voltage
when power-on
VCC1 = 3.0 to 5.5 V 2 ms
td(E-A) Start-up time for Vdet detection circuit VCC1 = 3.0 to 5.5 V 150 μs
td(P-R)
VCC1
CPU clock
Recommended
operating voltage
td(P-R)
Wait time to stabilize internal
supply voltage when power-on
td(E-A)
td(E-A)
Start-up time for Vdet detection
circuit
VDEN
Vdet detection circuit Stop Operating
VCC1 = VCC2 = 5V