HD64F38602R Datasheet, PDF (466/552 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 21 Electrical Characteristics
21.4.7
Power-On Reset Circuit Characteristics
Table 21.21 lists the power-on reset circuit characteristics.
Table 21.21 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 = 0.0 V,
Ta = −20 to +75°C (general specifications), Ta = −40 to +85°C (wide temperature range
specifications), unless otherwise specified.
Item
Reset voltage
Power supply
rising time
Symbol Test Condition
V_rst
t_vtr
Reset count time t_out
Count start time t_cr
Pull-up resistance R_P
Values
Min. Typ. Max. Unit
0.7Vcc 0.8Vcc 0.9Vcc V
The Vcc rising time should be
shorter than half the RES rising
time.
0.8 — 4.0 µs
3.2 — 26.7
Adjustable by the value of the
external capacitor connected to
the RES pin.
60 100 — kΩ
Notes
On-chip oscillator
is selected
(reference value)
Rev. 3.00 May 15, 2007 Page 434 of 516
REJ09B0152-0300