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參數(shù)資料
| 型號(hào)： | ST52X420 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | ADC |
| 英文描述： | 8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Three Timer/PWMs, ADC, WDG |
| 中文描述： | 8位智能控制器病房（ICU）3個(gè)定時(shí)器/的PWM，ADC的，水分散粒劑 |
| 文件頁數(shù)： | 69/84頁 |
| 文件大?。?/td> | 1274K |
| 代理商： | ST52X420 |
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ST52T410/ST52T420/E420
69/84
11.4 Supply Current Characteristics
Supply current is mainly a function of the operating
voltage and frequency. Other factors such as I/O
pin loading and switching rate, oscillator type,
internal code execution pattern and temperature,
also have an impact on the current consumption.
The test condition in RUN mode for all the IDD
measurements are:
OSCin = external square wave, from rail to rail;
OSCout = floating;
All I/O pins tristated pulled to VDD
T
A
=25
°
C
Figure 11.4 Typical IDD in RUN vs fosc
Figure 11.5 Typical IDD in WAIT vs fosc
Table 11.5 Supply Current in RUN and WAIT Mode
Symbol
Parameter
Conditions
Typ
Max
3)
Unit
I
DD
Supply current in RUN mode
1)
V
DD
=5V
±
5%
T
A
=25
°
C
f
osc
=2 Mhz
f
osc
=4 Mhz
f
osc
=5 Mhz
f
osc
=8 Mhz
f
osc
=10
f
osc
=20
f
osc
=2 MHz
f
osc
=4 MHz
f
osc
=5 MHz
f
osc
=8 Mhz
f
osc
=10
f
osc
=20
4.34
4.34
mA
7.66
7.72
8.75
8.81
12.67
12.89
15.04
15.13
27.3
27.48
Supply current in WAIT mode
2)
1.14
1.16
3.38
3.39
3.63
3.71
5.63
5.68
6.29
6.31
13.22
13.3
0
5
10
15
20
25
30
35
2
2.5
3
3.5
4
4.5
5
5.5
6
VDD[V]
I
2MHz
4MHz
5MHz
8MHz
10MHz
20MHz
0
2
4
6
8
10
12
14
2
2.5
3
3.5
4
4.5
5
5.5
6
VDDV]
I
2MHz
4MHz
5MHz
8MHz
10MHz
20MHz
Notes:
1. CPU running with memory access, all I/O pins in input mode with a static value at V
DD
or V
SS
(no load),
all peripherals switched off; clock input (OSCin driven by external square wave).
2. CPU in WAIT mode with all I/O pins in input mode with a static value at V
DD
or V
SS
(no load), all
peripherals switched off; clock input (OSCin driven by external square wave).
3. Data based on characterization results, tested in production at V
DDmax
and f
oscmax
.
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