HD64336901G Renesas Technology, HD64336901G Datasheet - Page 348

• Manufacturer Part Number: HD64336901G
• Description: (HD64xxx Series) 16-BIT MICROCONTROLLER
• Manufacturer: Renesas Technology

20.3.6
Table 20.18 Power-Supply-Voltage Detection Circuit Characteristics
V
Notes: 1. This voltage should be used when the falling and rising voltage detection function is
20.3.7
Table 20.19 LVDI External Voltage Detection Circuit Characteristics
Vcc = 4.5 to 5.5 V, AVcc = 3.0 to 5.5 V, V
Rev. 1.00, 11/03, page 320 of 376
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
ExtD/ExtU input
detection voltage
ExtD/ExtU input voltage
range
SS
= 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
LVDI External Voltage Detection Circuit Characteristics
Power-Supply-Voltage Detection Circuit Characteristics
3
used.
reset may not occur. Therefore sufficient evaluation is required.
a
= –20 to +75°C, unless otherwise indicated.
Symbol
Vexd
VextD/U VextD
1
2
Symbol
Vint(D)
Vint(U)
Vreset1
Vreset2
V
t
I
Test
Condition
LVDON
STBY
LVDRmin
SS
= 0.0 V, T
VextU
Test
Condition
LVDSEL = 0 3.3
LVDSEL = 0 3.6
LVDSEL = 0 2.0
LVDSEL = 1 3.0
LVDE = 1,
BGRE = 1
Vcc = 5.0 V
Min.
0.85
a
0.3
= –20 to +75°C
LVDRmin
Typ.
1.15
—
Min.
1.0
50
= 1.0 V and then rises, a
Values
Max.
1.45
Lower voltage,
either AVcc + 0.3
or Vcc + 0.3
Values
Typ.
3.7
4.0
2.3
3.6
—
—
—
Max.
4.2
4.5
2.7
4.2
—
—
TBD
Unit
V
V
V
V
V
s
A
Unit
V
V