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STM32L15XCC 数据表(PDF) 7 Page - STMicroelectronics

部件名 STM32L15XCC
功能描述  Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 256KB Flash, 32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC
PDF  136 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32L15XCC 数据表(HTML) 7 Page - STMicroelectronics

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STM32L151xC STM32L152xC
List of figures
8
List of figures
Figure 1.
Ultra-low-power STM32L151xC and STM32L152xC block diagram . . . . . . . . . . . . . . . . . 13
Figure 2.
Clock tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 3.
STM32L15xVC UFBGA100 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 4.
STM32L15xVC LQFP100 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 5.
STM32L15xRC LQFP64 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 6.
STM32L15xUC WLCSP63 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 7.
STM32L15xCC UFQFPN48 pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 8.
STM32L15xCC LQFP48 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 9.
Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 10.
Pin loading conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 11.
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 12.
Power supply scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 13.
Optional LCD power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 14.
Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 15.
High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 16.
Low-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure 17.
HSE oscillator circuit diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 18.
Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 19.
I/O AC characteristics definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Figure 20.
Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Figure 21.
I2C bus AC waveforms and measurement circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Figure 22.
SPI timing diagram - slave mode and CPHA = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 23.
SPI timing diagram - slave mode and CPHA = 1(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 24.
SPI timing diagram - master mode(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Figure 25.
USB timings: definition of data signal rise and fall time . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Figure 26.
I2S slave timing diagram (Philips protocol)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 27.
I2S master timing diagram (Philips protocol)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 28.
ADC accuracy characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Figure 29.
Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Figure 30.
Maximum dynamic current consumption on VREF+ supply pin during ADC
conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Figure 31.
12-bit buffered /non-buffered DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Figure 32.
LQFP100, 14 x 14 mm, 100-pin low-profile quad flat package outline . . . . . . . . . . . . . . . 110
Figure 33.
LQFP100, 14 x 14 mm, 100-pin low-profile quad flat package
recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Figure 34.
LQFP100, 14 x 14 mm, 100-pin low-profile quad flat package top view example . . . . . . 112
Figure 35.
LQFP64, 10 x 10 mm, 64-pin low-profile quad flat package outline . . . . . . . . . . . . . . . . . 113
Figure 36.
LQFP64, 10 x 10 mm, 64-pin low-profile quad flat package
recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Figure 37.
LQFP64 10 x 10 mm, 64-pin low-profile quad flat package top view example . . . . . . . . . 115
Figure 38.
LQFP48, 7 x 7 mm, 48-pin low-profile quad flat package outline . . . . . . . . . . . . . . . . . . . 116
Figure 39.
LQFP48 recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Figure 40.
LQFP48 package top view example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Figure 41.
UFQFPN48 7 x 7 mm, 0.5 mm pitch, package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 42.
UFQFPN48 recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Figure 43.
UFQFPN48 package top view example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Figure 44.
UFBGA100, 7 x 7 mm, 0.5 mm pitch package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Figure 45.
UFBGA100, 7 x 7 mm, 0.5 mm pitch, package recommended footprint. . . . . . . . . . . . . . 123



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