STM32F446VE datasheet(6/202 Pages) STMICROELECTRONICS

Part #	STM32F446VE

Description	ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 512kB Flash/1284KB RAM, USB OTG HS/FS, 17 TIMs, 3 ADCs, 20 comm. interfaces

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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6 / 202 page

List of figures

STM32F446xC/E

6/202

DocID027107 Rev 6

List of figures

Figure 1.

Compatible board design for LQFP100 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 2.

Compatible board for LQFP64 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 3.

STM32F446xC/E block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 4.

STM32F446xC/E and Multi-AHB matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 5.

VDDUSB connected to an external independent power supply . . . . . . . . . . . . . . . . . . . . . 23

Figure 6.

Power supply supervisor interconnection with internal reset OFF . . . . . . . . . . . . . . . . . . . 24

Figure 7.

Regulator OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 8.

Startup in regulator OFF: slow VDD slope

power-down reset risen after VCAP_1/VCAP_2 stabilization . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 9.

Startup in regulator OFF mode: fast VDD slope

power-down reset risen before VCAP_1/VCAP_2 stabilization. . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 10.

STM32F446xC/xE LQFP64 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 11.

STM32F446xC/xE LQFP100 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Figure 12.

STM32F446xC LQFP144 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 13.

STM32F446xC/xE WLCSP81 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 14.

STM32F446xC/xE UFBGA144 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Figure 15.

Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Figure 16.

Pin loading conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Figure 17.

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Figure 18.

Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Figure 19.

Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Figure 20.

External capacitor CEXT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Figure 21.

Typical VBAT current consumption

(RTC ON/backup RAM OFF and LSE in low power mode) . . . . . . . . . . . . . . . . . . . . . . . . 91

Figure 22.

Typical VBAT current consumption

(RTC ON/backup RAM OFF and LSE in high drive mode). . . . . . . . . . . . . . . . . . . . . . . . . 92

Figure 23.

High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Figure 24.

Low-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Figure 25.

Typical application with an 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Figure 26.

Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Figure 27.

LACCHSI versus temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Figure 28.

ACCLSI versus temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Figure 29.

PLL output clock waveforms in center spread mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

Figure 30.

PLL output clock waveforms in down spread mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

Figure 31.

FT I/O input characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Figure 32.

I/O AC characteristics definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Figure 33.

Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Figure 34.

I2C bus AC waveforms and measurement circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Figure 35.

FMPI2C timing diagram and measurement circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Figure 36.

SPI timing diagram - slave mode and CPHA = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Figure 37.

SPI timing diagram - slave mode and CPHA = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Figure 38.

SPI timing diagram - master mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Figure 39.

I2S slave timing diagram (Philips protocol)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Figure 40.

I2S master timing diagram (Philips protocol)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Figure 41.

SAI master timing waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

Figure 42.

SAI slave timing waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

Figure 43.

USB OTG full speed timings: definition of data signal rise and fall time . . . . . . . . . . . . . . 138

Figure 44.

ULPI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

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