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| 型号： | ST52T430K3T6 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQFP32 |
| 封装： | TQFP-32 |
| 文件页数： | 69/88页 |
| 文件大小： | 1162K |
| 代理商： | ST52T430K3T6 |
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ST52T430/E430
71/88
12.4 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
TA=90
°C
Figure 12.4 Typical IDD in RUN vs fosc
Figure 12.5 Typical IDD in WAIT vs fosc
Table 12.5 Supply Current in RUN and WAIT Mode
Symbol
Parameter
Conditions
Typ
Max3)
Unit
IDD
Supply current in RUN mode 1)
VDD=5V±5%
TA=90
°C
fosc=2 Mhz
4.0
6.0
mA
fosc=4 Mhz
7.5
10.0
fosc=5 Mhz,
9.0
12.0
fosc=10
17.5
20.0
fosc=20
33.5
37.0
Supply current in WAIT mode2)
fosc=2 MHz
2.0
3.0
fosc=4 MHz
4.0
5.0
fosc=5 MHz
5.0
6.0
fosc=10
10.0
12.0
fosc=20
18.5
22.0
0
5
10
15
20
25
30
35
3.5
3.7
3.9
4.1
4.3
4.5
4.7
4.9
5.1
5.3
5.5
VDD [V]
ID
D
[
m
A
]
2 MHz
4 MHz
5 MHz
10 MHz
20 MHz
0
2
4
6
8
10
12
14
16
18
20
3.5
3.7
3.9
4.1
4.3
4.5
4.7
4.9
5.1
5.3
5.5
VDD [V]
IDD
[mA]
2 MHz
4 MHz
5 MHz
10 MHz
20 MHz
Notes:
1. CPU running with memory access, all I/O pins in input mode with a static value at VDD or VSS (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 VDD or VSS (no load), all
peripherals switched off; clock input (OSCin driven by external square wave).
3. Data based on characterization results, tested in production at VDDmax and foscmax.
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