UPD78F0138 NEC, UPD78F0138 Datasheet - Page 484

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

LVI Circuit Characteristics (T
Notes 1.
Remarks 1. V
LVI Circuit Timing
Data Memory STOP Mode Low Supply Voltage Data Retention Characteristics (T
Note When flash memory version
484
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 2
78F0134M2(A), 78F0138M1(A), or 78F0138M2(A) is used
2.
3.
2. V
CHAPTER 29 ELECTRICAL SPECIFICATIONS (STANDARD PRODUCTS, (A) GRADE PRODUCTS)
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 the
POC mask option (when flash memory version
78F0134M1(A), 78F0134M2(A), 78F0138M1(A), or 78F0138M2(A) is used).
Time required from setting LVION to 1 to operation stabilization.
Detection voltage (MAX.)
Detection voltage (TYP.)
Detection voltage (MIN.)
Note 1
LVI0
POCn
> V
< V
Supply voltage
LVI1
LVIm
> V
(n = 0 or 1, m = 0 to 6)
LVI2
Note 3
(V
A
DD
= −40 to +85°C)
> V
V
V
V
V
V
V
V
t
t
t
t
V
t
Symbol
)
Symbol
LD
LW
LWAIT0
LWAIT1
SREL
LVI0
LVI1
LVI2
LVI3
LVI4
LVI5
LVI6
DDDR
LVI3
µ
> V
PD78F0134M1, 78F0134M2, 78F0138M1, 78F0138M2, 78F0134M1(A),
When POC-OFF is selected by mask
option
LVI4
User’s Manual U16228EJ2V0UD
> V
Note
LVI5
> V
LVIE 1 LVION 1
Conditions
Conditions
LVI6
t
WAIT0
µ
PD78F0134M1, 78F0134M2, 78F0138M1, 78F0138M2,
t
WAIT1
t
LD
t
LW
MIN.
MIN.
3.15
2.95
4.1
3.9
3.7
3.5
3.3
0.2
1.6
0
A
= −40 to +85°C)
TYP.
TYP.
4.3
4.1
3.9
3.7
3.5
3.3
3.1
0.2
0.5
0.1
Time
MAX.
MAX.
3.45
3.25
4.5
4.3
4.1
3.9
3.7
2.0
2.0
0.2
5.5
Unit
Unit
ms
ms
ms
ms
µ
V
V
V
V
V
V
V
V
s