M32C8A Datasheet, PDF (323/372 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M32C/80 Series

M32C/8A Group
23. Electrical Characteristics
Table 23.10
VCC1 = VCC2 = 5V
Voltage Detection Circuit Electrical Characteristics
(VCC1 = VCC2 = 3.0 to 5.5 V, VSS = 0 V, Topr = 25°C unless otherwise specified)
Symbol
Parameter
Vdet4
Vdet4 detection voltage
Vdet3
Vdet3 detection voltage
Vdet3s Hardware reset 2 hold voltage
Vdet3r
Hardware reset 2 release voltage
NOTES:
1. Vdet4 > Vdet3
2. Vdet3r > Vdet3 is not guaranteed.
Standard
Unit
Min. Typ. Max.
3.3 3.8 4.4
V
VCC1 = 3.0 V to 5.5 V
3.0
V
2.0
V
3.1
V
Table 23.11 Power Supply Timing Characteristics
Symbol
Parameter
Standard
Measurement Condition
Unit
Min. Typ. Max.
td(P-R)
Wait time to stabilize internal supply voltage VCC1 = 3.0 to 5.5 V
when power-on
2
ms
td(S-R) Wait time to release hardware reset 2
VCC1 = Vdet3r to 5.5 V
6⁽¹⁾ 20
ms
td(E-A)
Start-up time for Vdet3 and Vdet4 detection VCC1 = 3.0 to 5.5 V
circuit
20
μs
NOTE:
1. When VCC1= 5 V
td(P-R)
Wait time to stabilize internal
supply voltage when power-on
Recommended
operating voltage
VCC1
CPU clock
td(P-R)
td(S-R)
Wait time to release
hardware reset 2
VCC1
Vdet3r
CPU clock
td(S-R)
td(E-A)
Start-up time for Vdet3 and Vdet4
detection circuit
VC26, VC27
Vdet3 and Vdet4
detection circuit
Stop
Figure 23.1 Power Supply Timing Diagram
td(E-A)
Operating
Rev.1.00 Jul 15, 2007 Page 306 of 352
REJ09B0385-0100