STM32F446ME datasheet(4/201 Pages) STMICROELECTRONICS

Part #	STM32F446ME

Description	8- to 14-bit parallel camera interface up to 54 Mbytes

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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4 / 201 page

Contents

STM32F446xC/E

4/201

DocID027107 Rev 5

6.1.2

Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

6.1.3

Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

6.1.4

Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

6.1.5

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

6.1.6

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

6.1.7

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

6.2

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

6.3

Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

6.3.1

General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

6.3.2

VCAP_1/VCAP_2 external capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

6.3.3

Operating conditions at power-up / power-down (regulator ON) . . . . . . 79

6.3.4

Operating conditions at power-up / power-down (regulator OFF) . . . . . 79

6.3.5

Reset and power control block characteristics . . . . . . . . . . . . . . . . . . . 80

6.3.6

Over-drive switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

6.3.7

Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

6.3.8

Wakeup time from low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . 101

6.3.9

External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 102

6.3.10

Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 106

6.3.11

PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

6.3.12

PLL spread spectrum clock generation (SSCG) characteristics . . . . . 110

6.3.13

Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

6.3.14

EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

6.3.15

Absolute maximum ratings (electrical sensitivity) . . . . . . . . . . . . . . . . 116

6.3.16

I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

6.3.17

I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

6.3.18

NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

6.3.19

TIM timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

6.3.20

Communications interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

6.3.21

12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

6.3.22

Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

6.3.23

VBAT monitoring characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

6.3.24

Reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

6.3.25

DAC electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

6.3.26

FMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

6.3.27

Camera interface (DCMI) timing specifications . . . . . . . . . . . . . . . . . . 171

6.3.28

SD/SDIO MMC card host interface (SDIO) characteristics . . . . . . . . . 172

6.3.29

RTC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

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