参数资料
型号: ST72621J2T1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
封装: 0.300 INCH, PLASTIC, SO-20
文件页数: 7/136页
文件大小: 2475K
代理商: ST72621J2T1
104/136
12.4 SUPPLY CURRENT CHARACTERISTICS
The following 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 for which the clock
is stopped).
Note 1:
Typical data are based on TA=25°C and not tested in production
Note 2:
Data based on design simulation, not tested in production.
Note 3:
USB Transceiver and ADC are powered down.
Note 4:
Low voltage reset function enabled.
CPU in HALT mode.
Current consumption of external pull-up (1.5Kohms to USBVCC) and pull-down (15Kohms to VSSA)
not included.
Figure 57. Typ. IDD in RUN at 4 and 8 MHz fCPU
Figure 58. Typ. IDD in WAIT at 4 and 8 MHz fCPU
Symbol
Parameter
Conditions
Typ 1)
Max
Unit
I
DD(
Ta) Supply current variation vs. temperature Constant VDD and fCPU
10
%
IDD
CPU RUN mode
I/Os in input mode.
USB transceiver and
LVD disabled
fCPU = 4 MHz
6
8
mA
fCPU = 8 MHz
8
14
LVD enabled. USB in
Transmission2)
fCPU = 4 MHz
13
18
mA
fCPU = 8 MHz
15
24
mA
CPU WAIT mode2)
I/Os in input mode.
USB transceiver and
LVD disabled
fCPU = 8 MHz
7
12
mA
LVD enabled. USB in
Transmission
fCPU = 8 MHz
14
22
mA
CPU HALT mode3)
with LVD
130
200
A
without LVD
30
50
USB Suspend mode4)
130
200
A
IDD(ADC) ADC supply current when converting
fADC=4MHz
10002)
A
0
2
4
6
8
10
12
3
3.5
4
4.5
5
5.5
6
Vdd (V)
Idd
(mA)
Idd run at
fcpu=4 MHz
Idd run at
fcpu=8 MHz
0
1
2
3
4
5
6
7
8
9
10
1
2
3
456
7
Vdd (V)
Idd
(m
A)
Idd wfi at fcpu=4
MHz
Idd wfi at fcpu=8
MHz
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