UPD78F0138 NEC, UPD78F0138 Datasheet - Page 518

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

A/D Converter Characteristics
(T
Notes 1.
POC Circuit Characteristics (T
Note Time required from voltage detection to reset release.
POC Circuit Timing
518
Resolution
Overall error
Conversion time
Zero-scale error
Full-scale error
Integral non-linearity error
Differential non-linearity error
Analog input voltage
Detection voltage
Power supply rise time
Response delay time 1
Response delay time 2
Minimum pulse width
A
= −40 to +125°C, 3.3 V ≤ V
2.
Parameter
Parameter
Excludes quantization error (±1/2 LSB).
This value is indicated as a ratio (%FSR) to the full-scale value.
Notes 1, 2
Detection voltage (MAX.)
Detection voltage (TYP.)
Detection voltage (MIN.)
Notes 1, 2
Notes 1, 2
Note
Note
Supply voltage
CHAPTER 31 ELECTRICAL SPECIFICATIONS ((A2) GRADE PRODUCTS)
Note 1
Note 1
(V
DD
A
DD
= EV
t
V
V
t
t
t
t
= −40 to +125°C)
Symbol
Symbol
)
CONV
PTH
PTHD
PD
PW
IAN
POC0
DD
≤ 5.5 V, 3.3 V ≤ AV
4.0 V ≤ AV
3.3 V ≤ AV
4.0 V ≤ AV
3.3 V ≤ AV
4.0 V ≤ AV
3.3 V ≤ AV
4.0 V ≤ AV
3.3 V ≤ AV
4.0 V ≤ AV
3.3 V ≤ AV
4.0 V ≤ AV
3.3 V ≤ AV
Mask option = 3.5 V
V
When power supply rises, after reaching
detection voltage (MAX.)
When V
DD
User’s Manual U16228EJ2V0UD
: 0 V → 3.3 V
t
PTH
DD
falls
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
≤ 5.5 V
< 4.0 V
Conditions
Conditions
t
PTHD
REF
≤ V
DD
, V
SS
= EV
t
PD
t
PW
SS
= AV
0.002
MIN.
AV
MIN.
3.3
0.2
10
16
19
SS
SS
= 0 V)
TYP.
TYP.
±0.2
±0.3
3.5
10
Time
AV
MAX.
MAX.
±0.7
±0.9
±0.7
±0.9
±0.7
±0.9
±5.5
±7.5
±2.5
±3.0
3.76
3.0
1.0
10
48
48
REF
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
Unit
LSB
LSB
LSB
LSB
Unit
ms
ms
ms
ms
bit
µ
µ
V
V
s
s