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STM32L552CC 数据表(PDF) 12 Page - STMicroelectronics

部件名 STM32L552CC
功能描述  Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SRAM, SMPS
PDF  340 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32L552CC 数据表(HTML) 12 Page - STMicroelectronics

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List of figures
STM32L552xx
12/340
DS12737 Rev 6
List of figures
Figure 1.
STM32L552xx block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 2.
STM32L552xx power supply overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 3.
STM32L552xxxxP power supply overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 4.
STM32L552xxxxQ power supply overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 5.
Power-up/down sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 6.
SMPS step down converter power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 7.
STM32L552xx clock tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 8.
Multi-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 9.
Voltage reference buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 10.
STM32L552xx LQFP48 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure 11.
STM32L552xxxxP LQFP48 external SMPS pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure 12.
STM32L552xx UFQFPN48 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Figure 13.
STM32L552xxxxP UFQFPN48 external SMPS pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Figure 14.
STM32L552xx LQFP64 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Figure 15.
STM32L552xxxxQ LQFP64 SMPS step down converter pinout. . . . . . . . . . . . . . . . . . . . . 81
Figure 16.
STM32L552xxxxP LQFP64 external SMPS pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Figure 17.
STM32L552xxxxQ WLCSP81 SMPS step down converter ballout . . . . . . . . . . . . . . . . . . 82
Figure 18.
STM32L552xxxxP WLCSP81 external SMPS ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 19.
STM32L552xx LQFP100 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 20.
STM32L552xxxxQ LQFP100 SMPS step down converter pinout. . . . . . . . . . . . . . . . . . . . 84
Figure 21.
STM32L552xx UFBGA132 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Figure 22.
STM32L552xxxxQ UFBGA132 SMPS step down converter ballout. . . . . . . . . . . . . . . . . . 85
Figure 23.
STM32L552xx LQFP144 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Figure 24.
STM32L552xxxxQ LQFP144 SMPS step down converter pinout. . . . . . . . . . . . . . . . . . . . 87
Figure 25.
Pin loading conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Figure 26.
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Figure 27.
STM32L552xx and STM32L562xx power supply overview . . . . . . . . . . . . . . . . . . . . . . . 139
Figure 28.
STM32L552xxxP and STM32L562xxxP power supply overview . . . . . . . . . . . . . . . . . . . 140
Figure 29.
STM32L552xxxQ and STM32L562xxxQ power supply overview . . . . . . . . . . . . . . . . . . . 141
Figure 30.
Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Figure 31.
External components for SMPS step down converter . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Figure 32.
VREFINT versus temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 33.
High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Figure 34.
Low-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Figure 35.
Typical application with an 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Figure 36.
Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Figure 37.
HSI16 frequency versus temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Figure 38.
Typical current consumption versus MSI frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Figure 39.
HSI48 frequency versus temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Figure 40.
I/O input characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Figure 41.
I/O AC characteristics definition(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Figure 42.
Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Figure 43.
ADC accuracy characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Figure 44.
Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Figure 45.
12-bit buffered / non-buffered DAC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Figure 46.
VREFBUF in case VRS = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Figure 47.
VREFBUF in case VRS = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Figure 48.
SPI timing diagram - slave mode and CPHA = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273



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