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參數(shù)資料
| 型號(hào)： | μPD78P058FY |
| 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(jī)微控制器 |
| 文件頁(yè)數(shù)： | 53/74頁(yè) |
| 文件大?。?/td> | 520K |
| 代理商： | ΜPD78P058FY |
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μ
PD78P058FY
53
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
Resolution
8
8
8
bit
Total error
Note
2.7 V
≤
AV
REF0
≤
AV
DD
1.4
%
Conversion time
t
CONV
19.1
200
μ
s
Sampling time
t
SAMP
12/f
XX
μ
s
Analog input voltage
V
IAN
AV
SS
AV
REF0
V
Reference voltage
AV
REF0
2.7
AV
DD
V
AV
REF0
to AV
SS
resistance
R
AIREF0
4
14
k
Note
Excluding quantization error (
±
1/2LSB). Shown as a percentage of the full scale value.
Caution
For pins which also function as port pins (see 2.1 Pins in Normal Operating Mode (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.
<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
Resolution
8
bit
Total error
R = 2 M
Note 1
1.2
%
R = 4 M
Note 1
0.8
%
R = 10 M
Note 1
0.6
%
Settling time
C = 30 pF
Note 1
4.5 V
≤
AV
REF1
≤
6.0 V
10
μ
s
2.7 V
≤
AV
REF1
< 4.5 V
15
μ
s
Output resistance
R
O
Note 2
10
k
Analog reference
voltage
AV
REF1
2.0
V
DD
V
AV
REF1
to AV
SS
resistance
R
AIREF1
DACS0, DACS1 = 55H
Note 2
4
8
k
Notes
1.
R and C are the D/A converter output pin load resistance and load capacitance.
2.
Value for one D/A converter channel
Remark
DACS0, DACS1 : D/A conversion value setting register 0, 1
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