M451LG6AE Datasheet, PDF (197/219 Pages) List of Unclassifed Manufacturers – 32-bit Microcontroller

M451
XTAL1
XTAL2
4~20 MHz
Crystal
C1
C2
Vss
Vss
Figure 8.3-1 Typical Crystal Application Circuit
8.3.3 22.1184 MHz Internal High Speed RC Oscillator (HIRC)
Symbol
VHRC
fHRC
IHRC
Parameter
Supply Voltage
Center Frequency
Calibrated Internal
Oscillator Frequency
Operating Current
Min
Typ
Max
1.62
1.8
1.98
-
22.1184
-1
-
+1
-2
-
+2
-
790
-
Unit
V
MHz
%
%
μA
Test Conditions
-
-
TA = 25 ℃, VDD = 5 V
TA = -40 ~ 105
VDD = 2.5 V ~ 5 .5 V
TA = 25 ℃, VDD = 5 V
HIRC oscillator accuracy vs. temperature
0.80%
0.60%
0.40%
0.20%
0.00%
-50
-0.20% ⁰
50
100
150
-0.40%
-0.60%
-0.80%
-1.00%
-1.20%
-1.40%
TA ℃
Note: Number of test samples: 10.
Figure 8.3-2 HIRC Accuracy vs. Temperature
Mar. 04, 2016
Page 197 of 219
Max
Min
Rev.2.05