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参数资料
型号： STM8AF52A8TCU
厂商： STMICROELECTRONICS
元件分类： 微控制器/微处理器
英文描述： 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP48
封装： 7 X 7 MM, ROHS COMPLIANT, LQFP-48
文件页数： 91/120页
文件大小： 2236K
代理商： STM8AF52A8TCU
Electrical characteristics
STM8AF52/62xx, STM8AF51/61xx
72/120
Doc ID 14395 Rev 7
Current consumption curves
Figure 14 to Figure 19 show typical current consumption measured with code executing in RAM.
Table 46.
Typical peripheral current consumption VDD = 5.0 V
(1)
Symbol
Parameter
Typ.
fmaster = 2 MHz
Typ.
fmaster = 16 MHz
Typ.
fmaster =24 MHz
Unit
IDD(TIM1)
TIM1 supply current(2)
0.03
0.23
0.34
mA
IDD(TIM2)
TIM2 supply current (2)
0.02
0.12
0.19
IDD(TIM3)
TIM3 supply current(2)
0.01
0.1
0.16
IDD(TIM4)
TIM4 supply current(2)
0.004
0.03
0.05
IDD(USART)
USART supply current(2)
0.03
0.09
0.15
IDD(LINUART)
LINUART supply current(2)
0.03
0.11
0.18
IDD(SPI)
SPI supply current(2)
0.01
0.04
0.07
IDD(I2C)
I2C supply current(2)
0.02
0.06
0.91
IDD(CAN)
CAN supply current(3)
0.06
0.30
0.40
IDD(AWU)
AWU supply current(2)
0.003
0.02
0.05
IDD(TOT_DIG)
All digital peripherals on
0.22
1
2.4
IDD(ADC)
ADC supply current when
converting(4)
0.93
0.95
0.96
1.
Typical values not tested in production. Since the peripherals are powered by an internally regulated, constant digital
supply voltage, the values are similar in the full supply voltage range.
2.
Data based on a differential IDD measurement between no peripheral clocked and a single active peripheral. This
measurement does not include the pad toggling consumption.
3.
Data based on a differential IDD measurement between reset configuration (CAN disabled) and a permanent CAN data
transmit sequence in loopback mode at 1 MHz. This measurement does not include the pad toggling consumption.
4.
Data based on a differential IDD measurement between reset configuration and continuous A/D conversions.
Figure 14.
Typ. IDD(RUN)HSE vs. VDD
@fCPU = 16 MHz, peripherals = on
Figure 15.
Typ. IDD(RUN)HSE vs. fCPU
@VDD = 5.0 V, peripherals = on
0
1
2
3
4
5
6
7
8
9
10
2.533.5
44.555.5
6
V
DD [V]
I DD(
RUN)
HS
E
[m
A
]
25°C
85°C
125°C
0
1
2
3
4
5
6
7
8
9
10
0
5
10
15
20
25
30
fcpu [MHz]
I DD(
RUN
)H
S
E
[m
A
]
25°C
85°C
125°C
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