HD6433682 ETC, HD6433682 Datasheet - Page 415

• Manufacturer Part Number: HD6433682
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series
• Manufacturer: ETC

23.2.8
Table 23.10 Power-Supply-Voltage Detection Circuit Characteristics
V
Notes: 1. This voltage should be used when the falling and rising voltage detection function is
23.2.9
Table 23.11 Power-On Reset Circuit Characteristics
V
Note:
Item
Power-supply falling detection
voltage
Power-supply rising detection
voltage
Reset detection voltage 1*
Reset detection voltage 2*
Lower-limit voltage of LVDR
operation*
LVD stabilization time
Current consumption in standby
mode
Item
Pull-up resistance of RES pin
Power-on reset start voltage*
SS
SS
= 0.0 V, T
= 0.0 V, T
2. Select the low-voltage reset 2 when only the low-voltage detection reset is used.
3. When the power-supply voltage (Vcc) falls below V
* The power-supply voltage (Vcc) must fall below Vpor = 100 mV and then rise after
Power-Supply-Voltage Detection Circuit Characteristics (Optional)
Power-On Reset Circuit Characteristics (Optional)
3
used.
reset may not occur. Therefore sufficient evaluation is required.
charge of the RES pin is removed completely. In order to remove charge of the RES
pin, it is recommended that the diode be placed in the Vcc side. If the power-supply
voltage (Vcc) rises from the point over 100 mV, a power-on reset may not occur.
a
a
= –20 to +75°C, unless otherwise indicated.
= –20 to +75°C, unless otherwise indicated.
1
2
Symbol
Vint (D)
Vint (U)
Vreset1
Vreset2
V
t
I
Symbol
R
V
LVDON
STBY
LVDRmin
RES
por
Test Condition Min
LVDSEL = 0
LVDSEL = 0
LVDSEL = 0
LVDSEL = 1
LVDE = 1,
Vcc = 5.0 V,
When a 32-kHz
crystal
resonator is not
used
Test Condition Min
LVDRmin
3.3
—
—
3.0
1.0
50
100
—
Rev. 3.00, 05/03, page 385 of 472
= 1.0 V and then rises, a
Typ
3.7
4.0
2.3
3.6
—
—
—
Typ
150
—
Values
Values
Max
—
4.5
2.7
4.2
—
—
350
Max
—
100
Unit
V
V
V
V
V
Unit
k
mV
s
A