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ST72521 bảng dữ liệu(PDF) 168 Page - STMicroelectronics

tên linh kiện ST72521
Giải thích chi tiết về linh kiện  8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST72521 bảng dữ liệu(HTML) 168 Page - STMicroelectronics

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SUPPLY CURRENT CHARACTERISTICS (Cont’d)
12.4.2 WAIT and SLOW WAIT Modes (Flash devices)
Figure 87. Typical IDD in WAIT vs. fCPU
Figure 88. Typical IDD in SLOW-WAIT vs. fCPU
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.
- CSS and LVD disabled.
- 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 Section 12.5.4) and the
peripheral power consumption (Section 12.4.7).
Symbol
Parameter
Conditions
Typ
Max 1)
Unit
IDD
Supply current in WAIT mode 2)
(see Figure 87)
fOSC=2MHz, fCPU=1MHz
fOSC=4MHz, fCPU=2MHz
fOSC=8MHz, fCPU=4MHz
fOSC=16MHz, fCPU=8MHz
1.0
1.5
2.5
4.5
3.0
4.0
5.0
7.0
mA
Supply current in SLOW WAIT mode 2)
(see Figure 88)
fOSC=2MHz, fCPU=62.5kHz
fOSC=4MHz, fCPU=125kHz
fOSC=8MHz, fCPU=250kHz
fOSC=16MHz, fCPU=500kHz
0.58
0.65
0.77
1.05
1.2
1.3
1.8
2.0
mA
0
1
2
3
4
5
6
3.2
3.6
4
4.4
4.8
5.2
5.5
Vdd (V)
8MHz
4MHz
2MHz
1MHz
0.00
0.20
0.40
0.60
0.80
1.00
1.20
3.2
3.6
4
4.4
4.8
5.2
5.5
Vdd (V)
500kHz
250kHz
125kHz
62.5kHz



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