參數資料
型號: ST7FLIT19BF1U6TR
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC20
封裝: LEAD FREE, QFN-20
文件頁數: 22/153頁
文件大小: 2862K
代理商: ST7FLIT19BF1U6TR
ST7LITE1xB
118/153
13.4 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).
13.4.1 Supply Current
TA = -40 to +85°C unless otherwise specified
Notes:
1. CPU running with memory access, all I/O pins in input mode with a static value at VDD or VSS (no load), all peripherals
in reset state; clock input (CLKIN) driven by external square wave, LVD disabled.
2. All I/O pins in input mode with a static value at VDD or VSS (no load), all peripherals in reset state; clock input (CLKIN)
driven by external square wave, LVD disabled.
3. SLOW mode selected with fCPU based on fOSC divided by 32. All I/O pins in input mode with a static value at VDD or
VSS (no load), all peripherals in reset state; clock input (CLKIN) driven by external square wave, LVD disabled.
4. SLOW-WAIT mode selected with fCPU based on fOSC divided by 32. All I/O pins in input mode with a static value at
VDD or VSS (no load), all peripherals in reset state; clock input (CLKIN) driven by external square wave, LVD disabled.
5. All I/O pins in output mode with a static value at VSS (no load), LVD disabled. Data based on characterization results,
tested in production at VDD max and fCPU max.
6. All I/O pins in input mode with a static value at VDD or VSS (no load). Data tested in production at VDD max. and fCPU
max.
7. This consumption refers to the Halt period only and not the associated run period which is software dependent.
Figure 70. Typical IDD in RUN vs. fCPU
Figure 71. Typical IDD in RUN at fCPU = 8MHz
Symbol
Parameter
Conditions
Typ
Max
Unit
IDD
Supply current in RUN mode
V
DD
=5.5V
fCPU=8MHz
1)
7
9
mA
Supply current in WAIT mode
fCPU=8MHz
2)
33.6
Supply current in SLOW mode
fCPU=250kHz
3)
0.7
0.9
Supply current in SLOW WAIT mode7
fCPU=250kHz
4)
0.5
0.8
Supply current in HALT mode5)
-40°C
≤T
A≤+125°C
<1
6
A
Supply current in AWUFH mode 6)7)
-40°C
≤T
A≤+125°C
20
0
1
2
3
4
5
6
7
8
9
22.5
33.5
4
4.5
55.5
66.5
Vdd (V)
ID
D
ru
n
(m
A
)v
s
F
re
q
(
M
H
z
)
.5
1
2
4
6
8
Note: Graph displays data beyond the normal operating range of 3V - 5.5V
0
1
2
3
4
5
6
7
8
9
22.5
33.5
4
4.5
55.5
66.5
Vdd (V)
ID
D
ru
n
(
m
A
)at
fC
P
U
=
8
M
H
z
140°C
90°C
25°C
-5°C
-45°C
Note: Graph displays data beyond the normal operating range of 3V - 5.5V
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