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參數(shù)資料
| 型號： | μPD78056F |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8 Bit Single Chip Microcontrollers |
| 中文描述： | 8位單片機微控制器 |
| 文件頁數(shù)： | 60/76頁 |
| 文件大小： | 571K |
| 代理商： | ΜPD78056F |
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60
μ
PD78056F, 78058F
A/D CONVERTER CHARACTERISTICS (T
A
= –40 to +85
°
C, AV
DD
= V
DD
= 2.7 to 6.0 V, AV
SS
= V
SS
= 0 V)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
8
8
8
bit
2.7 V
≤
AV
REF0
≤
AV
DD
0.6
%
t
CONV
19.1
200
μ
s
t
SAMP
12/f
xx
μ
s
V
IAN
AV
SS
AV
REF0
V
AV
REF0
2.7
AV
DD
V
R
AIREF0
4
14
k
Resolution
Overall error
Note
Conversion time
Sampling time
Analog input voltage
Reference voltage
Resistance between AV
REF0
and AV
SS
Resolution
Overall error
Settling time
Output resistance
Analog reference voltage
Resistance between AV
REF1
and AV
SS
Note
Overroll error excluding quantization error (
±
1/2 LSB). It is indicated as a ratio to the full-scale value.
Caution
For pins which also function as port pins (see 3.1 Port Pins), do not perform the following
operations during A/D conversion. If these operations are performed, the total error ratings
cannot be kept (except for LCD segment output alternate-function pin).
(1)
Rewrite the output latch while the pin is used as a port pin.
(2)
Change the output level of the pin used as an output pin, even if it is not used as a port pin.
Remarks
1.
2.
f
XX
: Main system clock frequency (f
X
or f
X
/2)
f
x
: Main system clock oscillation frequency
D/A CONVERTER CHARACTERISTICS (T
A
= –40 to +85
°
C, V
DD
= 2.7 to 6.0 V, AV
SS
= V
SS
= 0 V)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
8
bit
R = 2M
Note 1
1.2
%
R = 4M
Note 1
R = 10M
Note 1
0.8
%
0.6
%
Note 1
4.5 V
≤
AV
REF1
≤
6.0 V
C=30pF
2.7 V
≤
AV
REF1
< 4.5 V
10
μ
s
15
μ
s
R
O
Note 2
10
k
AV
REF1
2.0
V
DD
V
R
AIREF1
DACS0, DACS1 = 55H
Note 2
4
8
k
Notes
1.
R and C are the load resistance and load capacitance of the D/A converter output pins.
2.
Value for D/A converter 1 channel
Remark
DACS0, DACS1: D/A conversion value setting register 0, 1
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