STM32F427XX datasheet(5/239 Pages) STMICROELECTRONICS

Part #	STM32F427XX

Description	ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces, camera & LCD-TFT

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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STM32F427xx STM32F429xx

Contents

6

6.1.2

Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.1.3

Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.1.4

Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.1.5

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

6.1.6

Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

6.1.7

Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

6.2

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

6.3

Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

6.3.1

General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

6.3.2

VCAP1/VCAP2 external capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

6.3.3

Operating conditions at power-up / power-down (regulator ON) . . . . . . 97

6.3.4

Operating conditions at power-up / power-down (regulator OFF) . . . . . 97

6.3.5

Reset and power control block characteristics . . . . . . . . . . . . . . . . . . . 98

6.3.6

Over-drive switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

6.3.7

Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

6.3.8

Wakeup time from low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . 116

6.3.9

External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 117

6.3.10

Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 121

6.3.11

PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

6.3.12

PLL spread spectrum clock generation (SSCG) characteristics . . . . . 126

6.3.13

Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

6.3.14

EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

6.3.15

Absolute maximum ratings (electrical sensitivity) . . . . . . . . . . . . . . . . 132

6.3.16

I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

6.3.17

I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

6.3.18

NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

6.3.19

TIM timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

6.3.20

Communications interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

6.3.21

12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

6.3.22

Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

6.3.23

VBAT monitoring characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163

6.3.24

Reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163

6.3.25

DAC electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

6.3.26

FMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

6.3.27

Camera interface (DCMI) timing specifications . . . . . . . . . . . . . . . . . . 192

6.3.28

LCD-TFT controller (LTDC) characteristics . . . . . . . . . . . . . . . . . . . . . 192

6.3.29

SD/SDIO MMC card host interface (SDIO) characteristics . . . . . . . . . 195

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