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ST7LITEUS2 数据表(PDF) 103 Page - STMicroelectronics

部件名 ST7LITEUS2
功能描述  Interrupt management
PDF  136 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7LITEUS2 数据表(HTML) 103 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
ST7LITEUS2, ST7LITEUS5
Electrical characteristics
103/136
12.4.3
On-chip peripherals
12.5
Clock and timing characteristics
Subject to general operating conditions for VDD, fOSC, and TA.
Table 54.
On-chip peripheral characteristics
Symbol
Parameter
Conditions
Typ (1)
Unit
IDD(AT)
12-bit auto-reload timer supply current (2)
fCPU = 4 MHz VDD= 3.0 V
15
μA
fCPU = 8 MHz VDD= 5.0 V
30
IDD(ADC) ADC supply current when converting
(3)
fADC = 2 MHz VDD= 3.0 V
450
fADC = 4 MHz VDD= 5.0 V
750
1.
Not tested in production, guaranteed by characterization.
2.
Data based on a differential IDD measurement between reset configuration (timer stopped) and the timer running in PWM
mode at fcpu = 8 MHz.
3.
Data based on a differential IDD measurement between reset configuration and continuous A/D conversions with amplifier
off.
Table 55.
General timings
Symbol
Parameter(1)
1.
Data based on characterization. Not tested in production.
Conditions
Min
Typ(2)
2.
Data based on typical application software.
Max
Unit
tc(INST) Instruction cycle time
fCPU=8 MHz
23
12
t
CPU
250
375
1500
ns
tv(IT)
Interrupt reaction time(3)
tv(IT) = Δtc(INST) + 10
3.
Time measured between interrupt event and interrupt vector fetch.
Δt
c(INST) is the number of tCPU cycles
needed to finish the current instruction execution.
fCPU=8 MHz
10
22
t
CPU
1.25
2.75
μs
Table 56.
Auto-wakeup RC oscillator
Parameter
Conditions
Min
Typ
Max
Unit
Supply Voltage Range
2.4
5.0
5.5
V
Operating Temperature Range
-40
25
125
°C
Current Consumption(1)
1.
Data guaranteed by design.
Without prescaler
2.0
8.0
14.0
µA
Consumption(1)
AWU RC switched off
0
µA
Output Frequency(1)
20
33
60
kHz
Obsolete
Product(s)
- Obsolete
Product(s)



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