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ST7LITEUS2 数据表(PDF) 97 Page - STMicroelectronics

部件名 ST7LITEUS2
功能描述  Interrupt management
PDF  136 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7LITEUS2 数据表(HTML) 97 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
ST7LITEUS2, ST7LITEUS5
Electrical characteristics
97/136
Internal RC oscillator calibrated at 3.3 V
The ST7 internal clock can be supplied by an internal RC oscillator (selectable by option
byte).
Table 50.
Internal RC oscillator characteristics (5.0 V calibration)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fRC
Internal RC oscillator
frequency
RCCR = FF (reset value),
TA= 25 °C, VDD= 5 V
4.4
MHz
RCCR = RCCR0(1), TA= 25 °C, VDD
= 5 V
8
ACCRC
Accuracy of internal RC
oscillator with
RCCR=RCCR0(1)
TA= 25 °C, VDD = 4.5 to 5.5 V
(2)
-2.0
+2.0
%
TA= 0 to +85 °C,
VDD = 4.5 to 5.5 V
(2)
-2.5
+4.0
%
TA= 0 to +125 °C,
VDD= 4.5 to 5.5 V
(2)
-3.0
+5.0
%
TA= -40 °C to 0 °C,
VDD= 4.5 to 5.5 V
(2)
-4.0
+2.5
%
tsu(RC)
RC oscillator setup time
TA= 25°C, VDD= 5 V
4 (2)
μs
1.
See Section 6.2: Internal RC oscillator adjustment
2.
Tested in production at 5.0 V only
Table 51.
Internal RC oscillator characteristics (3.3 V calibration)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fRC
Internal RC oscillator
frequency
RCCR = FF (reset value),
TA=25 °C,VDD= 3.3 V
4.3
MHz
RCCR = RCCR1(1) ,
TA=25 °C,VDD= 3.3 V
8
ACCRC
Accuracy of internal RC
oscillator with
RCCR=RCCR1(1)
TA=25°C, VDD = 3.0 to 3.6 V
(2)
-1.0
+1.0
%
TA=0 to +85 °C, VDD = 3.0 to 3.6 V
(2)
-2.5
+4.0
%
TA=0 to +125 °C, VDD = 3.0 to 3.6 V
(2)
-3.0
+5.0
%
TA = -40 °C to 0 °C,
VDD = 3.0 to 3.6 V
(2)
-4.0
+2.5
%
tsu(RC)
RC oscillator setup time
TA= 25 °C, VDD = 3.3 V
4 (2)
μs
1.
See Section 6.2: Internal RC oscillator adjustment
2.
Tested in production at 3.3 V only
Obsolete
Product(s)
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Product(s)



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