参数资料
型号: ST72F32AK2TB
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32
封装: 7 X 7 MM, PLASTIC, TQFP-32
文件页数: 20/157页
文件大小: 1516K
代理商: ST72F32AK2TB
ST7232A
116/157
12.4 SUPPLY CURRENT CHARACTERISTICS
The following current consumption specified for the ST7 functional operating modes over temperature
range does not take into account the clock source current consumption. To get the total device consump-
tion, the two current values must be added (except for HALT mode for which the clock is stopped).
12.4.1 CURRENT CONSUMPTION
Notes:
1. Data based on characterization results, tested in production at VDD max. and fCPU max.
2. Measurements are done in the following conditions:
- Progam executed from RAM, CPU running with RAM access. The increase in consumption when executing from Flash
is 50%.
- All I/O pins in input mode with a static value at VDD or VSS (no load)
- All peripherals in reset state.
- Clock input (OSC1) driven by external square wave.
- In SLOW and SLOW WAIT mode, fCPU is based on fOSC divided by 32.
To obtain the total current consumption of the device, add the clock source (Section 12.5.3) and the peripheral power
consumption (Section 12.4.3).
3. All I/O pins in push-pull 0 mode (when applicable) with a static value at VDD or VSS (no load). Data based on charac-
terization results, tested in production at VDD max. and fCPU max.
4. Data based on characterisation results, not tested in production. All I/O pins in push-pull 0 mode (when applicable) with
a static value at VDD or VSS (no load); clock input (OSC1) driven by external square wave. To obtain the total current
consumption of the device, add the clock source consumption (Section 12.5.3).
Symbol
Parameter
Conditions
Flash Devices
ROM Devices
Unit
Typ
Max 1)
Typ
Max 1)
IDD
Supply current in RUN mode 2)
fOSC=2MHz, fCPU=1MHz
fOSC=4MHz, fCPU=2MHz
fOSC=8MHz, fCPU=4MHz
fOSC=16MHz, fCPU=8MHz
1
1.4
2.4
4.4
2.3
3.5
5.3
7.0
1.3
2.0
3.6
7.1
2.0
3.0
5
10
mA
Supply current in SLOW mode 2)
fOSC=2MHz, fCPU=62.5kHz
fOSC=4MHz, fCPU=125kHz
fOSC=8MHz, fCPU=250kHz
fOSC=16MHz, fCPU=500kHz
0.48
0.53
0.63
0.80
1
1.1
1.2
1.4
0.6
0.7
0.8
1.1
1.8
2.1
2.4
3.0
mA
Supply current in WAIT mode 2)
fOSC=2MHz, fCPU=1MHz
fOSC=4MHz, fCPU=2MHz
fOSC=8MHz, fCPU=4MHz
fOSC=16MHz, fCPU=8MHz
0.6
0.9
1.3
2.3
1.8
2.2
2.6
3.6
1
1.5
2.5
4.5
1.3
2.0
3.3
6
mA
Supply current in SLOW WAIT
mode 2)
fOSC=2MHz, fCPU=62.5kHz
fOSC=4MHz, fCPU=125kHz
fOSC=8MHz, fCPU=250kHz
fOSC=16MHz, fCPU=500kHz
430
470
530
660
950
1000
1050
1200
70
100
200
350
200
300
600
1200
A
Supply current in HALT mode 3)
-40°C
≤T
A≤+85°C
<1
10
<1
10
A
-40°C
≤T
A≤+125°C
5
50
<1
50
Supply current in ACTIVE-HALT
mode 4)
fOSC=2MHz
fOSC=4MHz
fOSC=8MHz
fOSC =16MHz
60
100
180
340
160
200
300
500
22
44
86
170
30
60
120
300
A
1
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