参数资料
型号: ST72311R9T3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
封装: 14 X 14 MM, TQFP-64
文件页数: 26/152页
文件大小: 1909K
代理商: ST72311R9T3/XXX
ST72311R, ST72511R, ST72532R
121/152
12.4 SUPPLY CURRENT CHARACTERISTICS
The following current consumption specified for
the ST7 functional operating modes over tempera-
ture range does not take into account the clock
source current consumption. To get the total de-
vice consumption, the two current values must be
added (except for HALT mode for which the clock
is stopped).
12.4.1 RUN and SLOW Modes
Figure 64. Typical IDD in RUN vs. fCPU
Figure 65. Typical IDD in SLOW vs. fCPU
Notes:
1. Typical data are based on TA=25°C, VDD=5V (4.5V≤VDD≤5.5V range) and VDD=3.3V (3V≤VDD≤3.6V range).
2. Data based on characterization results, tested in production at VDD max. and fCPU max.
3. 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 (OSC1) driven by external square wave, LVD disabled.
4. SLOW mode selected with fCPU based on fOSC divided by 32. All I/O pins in input mode with a static value at VDD or
VSS (no load), all peripherals switched off; clock input (OSC1) driven by external square wave, LVD disabled.
Symbol
Parameter
Conditions
Max
Unit
I
DD(
Ta)
Supply current variation vs. temperature
Constant VDD and fCPU
10
%
Symbol
Parameter
Conditions
Typ 1)
Max 2)
Unit
IDD
Supply current in RUN mode 3)
4.5V
≤V
DD
≤5.5V
fOSC=1MHz, fCPU=500kHz
fOSC=4MHz, fCPU=2MHz
fOSC=16MHz, fCPU=8MHz
2.5
6.5
14.5
4
9
20
mA
Supply current in SLOW mode 4)
fOSC=1MHz, fCPU=31.25kHz
fOSC=4MHz, fCPU=125kHz
fOSC=16MHz, fCPU=500kHz
0.3
0.8
1.8
0.5
2.0
3.0
Supply current in RUN mode 3)
3V
≤V
DD
≤3
.6V
fOSC=1MHz, fCPU=500kHz
fOSC=4MHz, fCPU=2MHz
fOSC=16MHz, fCPU=8MHz
1.6
3.6
8
2.4
5.4
12
Supply current in SLOW mode 4)
fOSC=1MHz, fCPU=31.25kHz
fOSC=4MHz, fCPU=125kHz
fOSC=16MHz, fCPU=500kHz
0.15
0.45
1
0.3
0.9
1.5
3
3.5
4
4.5
5
5.5
VDD [V]
0
5
10
15
20
IDD [mA]
8MHz
4MHz
2MHz
500kHz
3
3.5
4
4.5
5
5.5
VDD [V]
0
0.5
1
1.5
2
2.5
IDD [mA]
500kHz
125kHz
31.25kHz
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