HD64F38024HV Datasheet, PDF (547/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 16 Electrical Characteristics
16.8.9 Watchdog Timer Characteristics
Table 16.34 Watchdog Timer Characteristics
AV_CC = 2.7 V to 5.5 V, V_SS = AV_SS = 0.0 V, unless otherwise specified
Item
Applicable
Rated Values
Test
Symbol Pins
Min Typ Max Unit Note Condition
On-chip oscillator tOVF
overflow time
0.2 0.4 — s
*
VCC = 5 V
Note: * When the on-chip oscillator is selected, the timer counts from 0 to 255, indicating the time
remaining until an internal reset is generated.
16.8.10 Power Supply Characteristics
Table 16.35 Power Supply Characteristics
Unless otherwise indicated, V_CC = 2.7 V to 5.5 V, AV_CC = 2.7 V to 5.5 V, V_SS = AV_SS = 0.0 V
Item
Applicable Test
Values
Symbol Pins
Condition Min Typ Max Unit
Notes
Power supply startup voltage VCCSTART VCC
0
— 0.1 V
*¹*²
Power supply startup slope SVCC
VCC
0.05 — — V/ms
Notes: 1. This LSI may not start normally when it starts with the condition beyond specification
shown in above (Refer to figure 16.1 for power supply voltage startup time.).
2. Applies to the F-ZTAT version.
Voltage (V)
VCC
VCCSTART
SVCC
Time (ms)
Figure 16.1 Power Supply Voltage Startup Timing
Rev. 8.00 Mar. 09, 2010 Page 525 of 658
REJ09B0042-0800