參數(shù)資料
型號： ST72C171
廠商： 意法半導(dǎo)體
英文描述： 8-BIT MCU with 8K FLASH, ADC, WDG, SPI, SCI, TIMERS SPGAs Software Programmable Gain Amplifiers, OP-AMP
中文描述： 8位8K閃存，ADC的，水分散粒劑，SPI和脊髓損傷，定時(shí)器SPGAs軟件可編程增益放大器，運(yùn)算放大器控制器
文件頁數(shù)： 118/152頁
文件大?。?/td> 1384K
代理商： ST72C171
ST72C171
118/152
SUPPLY CURRENT CHARACTERISTICS
(Cont’d)
9.4.3 HALT Mode
9.4.4 Supply and Clock Managers
The previous 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).
9.4.5 On-Chip Peripherals
Notes:
1.
Typical data are based on T
A
=25°C.
2. All I/O pins in input mode with a static value at V
or V
SS
(no load), CSS and LVD disabled. Data based on charac-
terization results, tested in production at V
DD
max. and f
CPU
max.
3. Data based on characterization results, not tested in production.
4.
Data based on characterization results done with the external components specified in
Section 9.5.3
and
Section 9.5.4
,
not tested in production.
5.
As the oscillator is based on a current source, the consumption does not depend on the voltage.
6. Data based on a differential I
measurement between reset configuration (timer counter running at f
CPU
/4) and timer
counter stopped (selecting external clock capability). Data valid for one timer.
7. Data based on a differential I
DD
measurement between reset configuration and a permanent SPI master communica-
tion (data sent equal to 55h).
8. Data based on a differential I
DD
measurement between reset configuration and I2C peripheral enabled (PE bit set).
9. Data based on a differential I
DD
measurement between reset configuration and continuous A/D conversions.
Symbol
Parameter
Conditions
-40°C
≤
T
A
≤
+85°C
-40°C
≤
T
A
≤
+85°C
Typ
1)
0
Max
10
6
Unit
μ
A
I
DD
Supply current in HALT mode
2)
V
DD
=5.5V
V
DD
=3.6V
Symbol
Parameter
Conditions
Typ
1)
Max
3)
Unit
I
DD(CK)
Supply current of internal RC oscillator
Supply current of external RC oscillator
4)
500
525
200
300
450
700
150
100
750
750
400
550
750
1000
350
150
μ
A
Supply current of resonator oscillator
4) & 5)
LP: Low power oscillator
MP: Medium power oscillator
MS: Medium speed oscillator
HS: High speed oscillator
Clock security system supply current
LVD supply current
I
DD(LVD)
HALT mode
Symbol
Parameter
Conditions
V
DD
=
3.4V
V
DD
=
5.0V
V
DD
=
3.4V
V
DD
=
5.0V
V
DD
=
3.4V
V
DD
=
5.0V
V
DD
=
3.4V
V
DD
=
5.0V
Typ
50
150
250
350
250
350
800
1100
Unit
I
DD(TIM)
16-bit Timer supply current
6)
f
CPU
=8MHz
μ
A
I
DD(SPI)
SPI supply current
7)
f
CPU
=8MHz
I
DD(I2C)
I
2
C supply current
8)
f
CPU
=8MHz
I
DD(ADC)
ADC supply current when converting
9)
f
ADC
=4MHz
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