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参数资料
| 型号： | ST7PLITEUS5U3TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, DSO8 |
| 封装： | LEAD FREE, DFN-8 |
| 文件页数： | 78/108页 |
| 文件大小： | 1957K |
| 代理商： | ST7PLITEUS5U3TR |
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ST7LITEUSx
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OPERATING CONDITIONS (Cont’d)
12.3.4 Voltage drop between AVD flag set and LVD reset generation
Note:
1. Not tested in production, guaranteed by characterization.
12.3.5 Internal RC oscillator
12.3.5.1 Internal RC oscillator calibrated at 5.0V
The ST7 internal clock can be supplied by an internal RC oscillator (selectable by option byte).
Notes:
2. Guaranteed by Design.
To improve clock stability and frequency accuracy, it is recommended to place a decoupling capacitor, typically 100nF,
between the VDD and VSS pins as close as possible to the ST7 device
Parameter
Min 1)
Typ 1)
Max 1)
Unit
AVD med. Threshold - AVD low. threshold
700
950
1200
mV
AVD high. Threshold - AVD low threshold
900
1150
1400
AVD high. Threshold - AVD med. threshold
100
200
300
AVD low Threshold - LVD low threshold
0
100
300
AVD med. Threshold - LVD low threshold
800
1000
1300
AVD med. Threshold - LVD med. threshold
50
200
300
AVD high. Threshold - LVD low threshold
850
1250
1700
AVD high. Threshold - LVD med. threshold
200
400
600
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fRC
Internal RC oscillator frequency
RCCR = FF (reset value),
TA=25°C,VDD=5V
4.5
MHz
RCCR = RCCR01),TA=25°C,VDD=5V
8
ACCRC
Accuracy of Internal RC oscillator
with
RCCR=RCCR01)
TA=25°C, VDD=5V
-2
+2
%
TA=25°C, VDD=4.5 to 5.5V
-3
+3
%
TA=0 to +85°C, VDD=5V
-3.5
+4.5
%
TA=0 to +85°C, VDD=4.5 to 5.5V
-4
+5
%
TA=0 to +125°C, VDD=5V
-3.5
+6
%
TA=0 to +125°C, VDD=4.5 to 5.5V
-5
+7
%
TA=-40°C to 0°C, VDD=4.5 to 5.5V
-6
+5
%
IDD(RC)
RC oscillator current consumption TA=25°C, VDD=5V
900 2)
A
tsu(RC)
RC oscillator setup time
TA=25°C, VDD=5V
4 2)
s
1
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