UPD78F0138 NEC, UPD78F0138 Datasheet - Page 503

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

LVI Circuit Characteristics (T
Notes 1. T
Remarks 1. V
LVI Circuit Timing
Data Memory STOP Mode Low Supply Voltage Data Retention Characteristics (T
Notes 1. T
Detection voltage
Response time
Minimum pulse width
Reference voltage stabilization wait
time
Operation stabilization wait time
Data retention supply voltage
Release signal set time
Note 3
2.
3.
4.
2. When flash memory version
2. V
T
T
is used
Parameter
Parameter
Time required from voltage detection to interrupt output or internal reset output.
Time required from setting LVIE to 1 to reference voltage stabilization when POC-OFF is selected by
mask option (when flash memory version
78F0138M2(A1) is used).
Time required from setting LVION to 1 to operation stabilization.
A
A
A
A
Detection voltage (MAX.)
Detection voltage (TYP.)
Detection voltage (MIN.)
Note 2
= −40 to +110°C:
= −40 to +105°C:
= −40 to +110°C:
= −40 to +105°C:
LVI0
POCn
> V
< V
Supply voltage
LVI1
CHAPTER 30 ELECTRICAL SPECIFICATIONS ((A1) GRADE PRODUCTS)
LVIm
> V
(n = 0 or 1, m = 0 to 4)
Note 4
LVI2
(V
A
DD
= −40 to +110°C
µ
µ
> V
µ
µ
V
V
V
V
V
t
t
t
t
V
t
Symbol
)
Symbol
PD780131(A1), 780132(A1), 780133(A1), 780134(A1), 780136(A1), 780138(A1)
PD78F0134(A1), 78F0138(A1)
PD780131(A1), 780132(A1), 780133(A1), 780134(A1), 780136(A1), 780138(A1)
PD78F0134(A1), 78F0138(A1)
LD
LW
LWAIT0
LWAIT1
SREL
LVI0
LVI1
LVI2
LVI3
LVI4
DDDR
LVI3
> V
µ
PD78F0134M1(A1), 78F0134M2(A1), 78F0138M1(A1), or 78F0138M2(A1)
When POC-OFF is selected by mask
option
LVI4
User’s Manual U16228EJ2V0UD
Note 2
Note 1
)
LVIE 1 LVION 1
Conditions
Conditions
µ
PD78F0134M1(A1), 78F0134M2(A1), 78F0138M1(A1), or
t
WAIT0
t
WAIT1
t
LD
t
LW
MIN.
MIN.
4.1
3.9
3.7
3.5
3.3
0.2
2.0
0
A
= −40 to +110°C
TYP.
TYP.
4.3
4.1
3.9
3.7
3.5
0.2
0.5
0.1
Time
MAX.
MAX.
4.52
4.32
4.12
3.92
3.72
2.0
2.0
0.2
5.5
Note 1
)
Unit
Unit
ms
ms
ms
ms
µ
V
V
V
V
V
V
s
503