HD6473847RHV Datasheet, PDF (470/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 17 Electrical Characteristics
17.6.9 Watchdog Timer Characteristics
Table 17.28 Watchdog Timer Characteristics
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, unless otherwise specified
Item
Applicable Test
Rated Values
Symbol Pins
Condition Min Typ Max Unit Note
On-chip oscillator t_OVF
overflow time
V_CC = 5 V 0.2 0.4 —
s
*
Note: * When the watchdog on-chip oscillator is selected, the timer counts from 0 to 255,
indicating the time remaining until an internal reset is generated.
17.6.10 Power Supply Characteristics
Table 17.29 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
Values
Symbol Pins
Test Condition Min Typ Max Unit Notes
Power supply
startup voltage
Power supply
startup slope
V_CCSTART
V_CC
SV_CC
V_CC
0
—
0.05 —
0.1
V
*¹*²
—
V/ms ^*1*2
Notes: 1. This LSI may not start normally when it starts with the condition beyond specification shown in
above (Refer to figure 17.1 for power supply voltage startup time.).
2. Applies to the F-ZTAT version.
Voltage (V)
VCC
VCCSTART
SVCC
Time (ms)
Figure 17.1 Power Supply Voltage Startup Timing
Rev. 7.00 Mar. 08, 2010 Page 438 of 510
REJ09B0024-0700