STM32F302xx/STM32F303xx
Electrical characteristics
Low-speed internal (LSI) RC oscillator
(1)
Table 43. LSI oscillator characteristics
Symbol
Parameter
Min
Typ
Max
Unit
fLSI
Frequency
30
-
40
-
50
85
kHz
µs
(2)
tsu(LSI)
LSI oscillator startup time
(2)
IDD(LSI)
LSI oscillator power consumption
-
0.75
1.2
µA
1. VDDA = 3.3 V, TA = –40 to 105 °C unless otherwise specified.
2. Guaranteed by design, not tested in production.
6.3.9
PLL characteristics
The parameters given in Table 44 are derived from tests performed under ambient
temperature and supply voltage conditions summarized in Table 22.
Table 44. PLL characteristics
Value
Symbol
Parameter
Unit
Min
Typ
Max
PLL input clock(1)
1(2)
40(2)
16(2)
-
-
-
-
-
-
24(2)
60(2)
72
MHz
%
fPLL_IN
PLL input clock duty cycle
PLL multiplier output clock
PLL lock time
fPLL_OUT
tLOCK
MHz
µs
200(2)
300(2)
Jitter
Cycle-to-cycle jitter
-
ps
1. Take care of using the appropriate multiplier factors so as to have PLL input clock values compatible with
the range defined by fPLL_OUT
.
2. Guaranteed by design, not tested in production.
Doc ID 023353 Rev 5
81/133
STMICROELECTRONICS [ ST ]
