32C87 RENESAS [Renesas Technology Corp], 32C87 Datasheet - Page 56

• Manufacturer Part Number: 32C87
• Description: RENESAS MCU
• Manufacturer: RENESAS [Renesas Technology Corp]

M32C/87 Group (M32C/87, M32C/87A, M32C/87B)
REJ03B0127-0151 Rev.1.51 Jul 31, 2008
Page 56 of 85
Figure 5.1
td(P-R)
Wait time to stabilize internal
supply voltage when power-on
td(S-R)
Wait time to release
hardware reset 2
td(E-A)
Start-up time for Vdet3 and Vdet4
detection circuit
Table 5.11
NOTES:
Table 5.12
NOTE:
Vdet4
Vdet3
Vdet3s
Vdet3r
td(P-R)
td(S-R)
td(E-A)
Symbol
Symbol
1. Vdet4 > Vdet3
2. Vdet3r > Vdet3 is not guaranteed.
1. When VCC1 = 5 V
Vdet4 detection voltage
Vdet3 detection voltage
Hardware reset 2 hold voltage
Hardware reset 2 release voltage
Wait time to stabilize internal supply voltage
when power-on
Wait time to release hardware reset 2
Start-up time for Vdet3 and Vdet4 detection
circuit
Voltage Detection Circuit Electrical Characteristics
(VCC1 = VCC2 = 3.0 to 5.5 V, VSS = 0 V, Topr = 25°C unless otherwise specified)
Power Supply Circuit Timing Characteristics
Power Supply Timing Diagram
Parameter
Parameter
Vdet3 and Vdet4
detection circuit
CPU clock
CPU clock
VCC1
VCC1
VC26, VC27
operating voltage
Recommended
Vdet3r
VCC1 = 3.0 to 5.5 V
VCC1 = Vdet3r to 5.5 V
VCC1 = 3.0 to 5.5 V
Measurement Condition
Measurement Condition
VCC1 = 3.0 V to 5.5 V
Stop
td(E-A)
td(P-R)
td(S-R)
VCC1 = VCC2 = 5V
Min.
Min.
3.3
5. Electrical Characteristics
Operating
Standard
Standard
Typ.
Typ.
6
3.8
3.0
3.1
(1)
Max.
Max.
4.4
2.0
20
20
2
Unit
Unit
ms
ms
μs
V
V
V
V