H838099 Datasheet, PDF (611/736 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Tiny Series

Section 26 Electrical Characteristics
26.2.6 Power-On Reset Circuit Characteristics
Table 26.8 Power-On Reset Circuit Characteristics
V_CC = 1.8 V to 3.6 V, AV_CC = 1.8 V to 3.6 V, V_SS = AV_SS = 0.0 V,
Ta = −20 to +75°C (regular specifications), Ta = −40 to +85°C (wide-range specifications), unless
otherwise specified.
Item
Reset voltage
Power supply rise time
Reset count time
Reset count time
On-chip pull-up resistance
Test
Symbol Condition
V_rst
t_vtr
t_out
t_cr
R_P
Vcc = 3.0 V
Values
Min.
Typ. Max.
Unit
0.7V_CC
0.8V_CC 0.9V_CC
V
The Vcc rise time should be shorter than
half the RES rise time.
0.8
—
4.0
µs
0.8
—
16.0
µs
Adjustable by the value of the external
capacitor of the RES pin.
60
100
—
kΩ
Reference
Figure
Figure 23.2
On-chip
oscillator
for system
clock
selected
(Reference
value)
Figure 23.1
Rev. 2.00 Jul. 04, 2007 Page 571 of 692
REJ09B0309-0200