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STM32U5A5QJ Datasheet(PDF) 257 Page - STMicroelectronics

Part # STM32U5A5QJ
Description  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU,240 DMIPS, 4 MB Flash, 2.5 MB SRAM, LTDC, MIPI® DSI, crypto
PDF  382 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32U5A5QJ Datasheet(HTML) 257 Page - STMicroelectronics

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DS13543 Rev 1
257/382
STM32U5Axxx
Electrical characteristics
348
Secure high-speed internal (SHSI) RC oscillator
Low-speed internal (LSI) RC oscillator
5.3.9
PLL characteristics
The parameters given in the table below are derived from tests performed under
temperature and VDD supply voltage conditions summarized in Table 33.
Table 76. SHSI oscillator characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fSHSI
SHSI frequency
-
-
48
-
MHz
tSU(SHSI)
SHSI oscillator startup time
-
-
2.5
6
μs
IDD(SHSI)
SHSI oscillator power consumption
-
-
350
400
μA
1. Specified by design. Not tested in production.
Table 77. LSI oscillator characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fLSI
LSI frequency
VDD = 3.0 V, TJ = 30 °C, LSIPREDIV = 0
31.4
-
32.6
kHz
VDD = 3.0 V, TJ = 30 °C, LSIPREDIV = 1 0.245
-
0.255
1.58 V≤ VDD ≤ 3.6 V, TJ = –40 to 125 °C 30.4(1)
-33.6(1)
DuCyLSI LSI duty cycle
LSIPREDIV = 1
-
50
-
%
tSU(LSI)(2) LSI oscillator startup time
-
-
230
260
μs
tSTAB(LSI)(2) LSI oscillator stabilization time 5% of final frequency
-
230
260
IDD(LSI)(2)
LSI oscillator power
consumption
LSIPREDIV = 0
-
140
255
nA
LSIPREDIV = 1
-
130
240
1. Evaluated by characterization. Not tested in production.
2. Specified by design. Not tested in production.
Table 78. PLL characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fPLL_IN
PLL input clock
-
4
-
16
MHz
PLL input clock
duty cycle
-10
-
90
%
fPLL_OUT
PLL P, Q, R
output clock
Voltage scaling range 1
1
-
160(2)
MHz
Voltage scaling range 2
1
-
110
Voltage scaling range 3
1
-
55
fVCO_OUT PLL VCO output
Voltage scaling range 1, 2
128
-
544
Voltage scaling range 3
128
-
330
Duty cycle with division 1
40
-
60
%



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