參數(shù)資料
型號(hào): ST52513F3
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PDSO20
封裝: ROHS COMPLIANT, SOP-20
文件頁數(shù): 20/136頁
文件大?。?/td> 2791K
代理商: ST52513F3
16.8 Programmable Low Voltage Detector (PLVD)
Operating Conditions: TA= 25
° C, unless otherwise specified.
Notes:
1. Measured with VDD slope in the range from 0.2 V/s to 4000 V/s. Values from validation. Not tested in
production.
2. Duration of the glitch not detected by the PLVD. Values by design, not tested in production.
16.9 Internal oscillator
The frequency of the internal oscillator is centered at 10 MHz but can be subject to variation due to process
spread: this may be calibrated by using the related option byte.
Operating Conditions: VDD=2.8 V to 5.5 V, TA=-40
° to 85° C, unless otherwise specified.
Notes:
1. Drift values in temperature are calculated with respect to internal oscillator frequency value at TA=25°
C.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VLVDT+
Reset release threshold
(VDD rise)1)
High Threshold
4.18
4.22
4.33
V
Medium Threshold
3.64
3.70
3.76
Low Threshold
3.05
3.11
3.15
VLVDT-
Reset threshold
(VDD fall)1)
High Threshold
3.83
3.96
Medium Threshold
3.30
3.40
3.46
Low Threshold
2.77
2.85
2.87
tg
Filtered glitch on VDD 2)
Not detected by the PLVD
50
Int.
clock
cycle
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
foscint
Internal operating frequency
TA= 25° C, VDD = 5.0 V
Not calibrated
810
12
MHz
Thdrosc
Thermal drift of the internal
oscillator 1)
TA=-40° C
12
%
TA=0° C
3
TA=85° C
5
fcal
Step of calibration
TA=25° C
100
kHz
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