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參數(shù)資料
| 型號： | STR73XF_0609 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | ARM7TDMI 32-bit MCU with Flash, 3x CAN, 4 UARTs, 20 timers, ADC, 12 comm. interfaces |
| 中文描述： | ARM7TDMI的32位微控制器的閃存，3倍的CAN，4個(gè)UART，20定時(shí)器，ADC和12通信設(shè)備。接口 |
| 文件頁數(shù)： | 26/53頁 |
| 文件大?。?/td> | 764K |
| 代理商： | STR73XF_0609 |
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Electrical parameters
STR73xF
26/53
3.3.1
Supply current characteristics
The current consumption is measured as described in
Figure 6
and
Figure 7
.
Total current consumption
The MCU is placed under the following conditions:
All I/O pins in input mode with a static value at V
DD
or V
SS
(no load)
All peripherals are disabled except if explicitly mentioned.
●
●
Subject to general operating conditions for V
DD
, and T
A
.
Table 9.
Total Current consumption
Notes:
1.
Typical data are based on T
A
=25°C, V
DD
=5V
Data based on characterization results, tested in production at V
DD
max. and T
A
= 25°C.
I/O in static configuration (not toggling).
RUN mode is almost
independent of temperature
. On the
contrary RUN mode current is
highly dependent on the application
. The I
value can be
significantly reduced by the application in the following ways: switch-off unused peripherals (default),
reduce peripheral frequency through internal prescaler, fetch the most frequently-used functions from RAM
and use low power mode when possible.
2.
3.
Symbol
Parameter
Conditions
Typ
1)
Max
2)
Unit
I
DD
RUN mode
3)
Formula, f
MCLK
in MHz, RAM execution
7 + 1.9 f
MCLK
mA
f
MCLK
=36 MHz, RAM execution
76
mA
f
MCLK
=36 MHz, Flash execution
86
mA
WFI mode
f
OSC
= 4 MHz, f
MCLK
= f
OSC
/16 = 250KHz
Main Voltage Regulator ON,
LP Voltage Regulator = 2mA,
RTC and WDG ON, Other modules off.
6.7
8
mA
LPWFI mode
f
RC
= High Frequency (CMU_RCCTL= 0x8),
f
MCLK
= f
RC
/16, LP Voltage Regulator = 2mA,
Other modules off.
220
350
μA
STOP mode
f
OSC
= 4 MHz, RC oscillator ON
f
RC
= High Frequency (CMU_RCCTL= 0x0)
LP Voltage Regulator = 6mA,
RTC and WUT ON, Other modules off.
Internal wake-up possible.
500
700
μA
f
RC
= High Frequency (CMU_RCCTL= 0xF),
LP Voltage Regulator = 2mA.
WUT ON. Other modules off.
Internal wake-up possible.
150
220
LP Voltage Regulator = 2mA, WIU ON, Other
modules off,
External wake-up.
50
140
HALT mode
LP Voltage Regulator = 2mA.
50
140
μA
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