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STMicroelectronics Electronic Components Datasheet

STM32F746NG Datasheet

32b MCU+FPU

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STM32F745xx
STM32F746xx
ARM®-based Cortex®-M7 32b MCU+FPU, 462DMIPS, up to 1MB Flash/320+16+ 4KB
RAM, USB OTG HS/FS, ethernet, 18 TIMs, 3 ADCs, 25 com itf, cam & LCD
Datasheet - production data
Features
Core: ARM® 32-bit Cortex®-M7 CPU with FPU,
adaptive real-time accelerator (ART
Accelerator™) and L1-cache: 4KB data cache
and 4KB instruction cache, allowing 0-wait
state execution from embedded Flash memory
and external memories, frequency up to
216 MHz, MPU, 462 DMIPS/2.14 DMIPS/MHz
(Dhrystone 2.1), and DSP instructions.
Memories
– Up to 1MB of Flash memory
– 1024 bytes of OTP memory
– SRAM: 320KB (including 64KB of data
TCM RAM for critical real-time data) +
16KB of instruction TCM RAM (for critical
real-time routines) + 4KB of backup SRAM
(available in the lowest power modes)
– Flexible external memory controller with up
to 32-bit data bus: SRAM, PSRAM,
SDRAM/LPSDR SDRAM, NOR/NAND
memories
Dual mode Quad-SPI
LCD parallel interface, 8080/6800 modes
LCD-TFT controller up to XGA resolution with
dedicated Chrom-ART Accelerator™ for
enhanced graphic content creation (DMA2D)
Clock, reset and supply management
– 1.7 V to 3.6 V application supply and I/Os
– POR, PDR, PVD and BOR
– Dedicated USB power
– 4-to-26 MHz crystal oscillator
– Internal 16 MHz factory-trimmed RC (1%
accuracy)
– 32 kHz oscillator for RTC with calibration
– Internal 32 kHz RC with calibration
Low-power
– Sleep, Stop and Standby modes
VreBgAisTtseurspp+ly4KfoBr
RTC, 32×32 bit
backup SRAM
backup
3×12-bit, 2.4 MSPS ADC: up to 24 channels
and 7.2 MSPS in triple interleaved mode
2×12-bit D/A converters
Up to 18 timers: up to thirteen 16-bit (1x low-
power 16-bit timer available in Stop mode) and
two 32-bit timers, each with up to 4
IC/OC/PWM or pulse counter and quadrature
(incremental) encoder input. All 15 timers
running up to 216 MHz. 2x watchdogs, SysTick
timer
&"'!
LQFP100 (14x14 mm)
LQFP144 (20x20 mm)
LQFP176 (24x24 mm)
LQFP208 (28x28 mm)
UFBGA176 (10x10 mm)
TFBGA216 (13x13 mm)
TFBGA100 (8x8 mm)
WLCSP143
(4.5x5.8 mm)
General-purpose DMA: 16-stream DMA
controller with FIFOs and burst support
Debug mode
– SWD & JTAG interfaces
– Cortex®-M7 Trace Macrocell™
Up to 168 I/O ports with interrupt capability
– Up to 164 fast I/Os up to 108 MHz
– Up to 166 5 V-tolerant I/Os
Up to 25 communication interfaces
– Up to 4× I2C interfaces (SMBus/PMBus)
– Up to 4 USARTs/4 UARTs (27 Mbit/s,
ISO7816 interface, LIN, IrDA, modem
control)
Umpuxtoed6sSimPpIsle(xupI2tSo
50
for
Mbit/s), 3 with
audio class
accuracy via internal audio PLL or external
clock
– 2 x SAIs (serial audio interface)
– 2 × CANs (2.0B active) and SDMMC
interface
– SPDIFRX interface
– HDMI-CEC
Advanced connectivity
– USB 2.0 full-speed device/host/OTG
controller with on-chip PHY
– USB 2.0 high-speed/full-speed
device/host/OTG controller with dedicated
DMA, on-chip full-speed PHY and ULPI
– 10/100 Ethernet MAC with dedicated DMA:
supports IEEE 1588v2 hardware, MII/RMII
8- to 14-bit parallel camera interface up to
54 Mbyte/s
True random number generator
CRC calculation unit
RTC: subsecond accuracy, hardware calendar
96-bit unique ID
Table 1. Device summary
Reference
Part number
STM32F745xx
STM32F746xx
STM32F745IE, STM32F745VE, STM32F745VG,
STM32F745ZE, STM32F745ZG, STM32F745IG
STM32F746BE, STM32F746BG, STM32F746IE,
STM32F746IG, STM32F746NE, STM32F746NG,
STM32F746VE, STM32F746VG, STM32F746ZE,
STM32F746ZG
February 2016
This is information on a product in full production.
DocID027590 Rev 4
1/227
www.st.com


STMicroelectronics Electronic Components Datasheet

STM32F746NG Datasheet

32b MCU+FPU

No Preview Available !

Contents
Contents
STM32F745xx STM32F746xx
1
2
2/227
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.1 Full compatibility throughout the family . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.1 ARM® Cortex®-M7 with FPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.2 Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.3 Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.4 CRC (cyclic redundancy check) calculation unit . . . . . . . . . . . . . . . . . . . 18
2.5 Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.6 AXI-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.7 DMA controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.8 Flexible memory controller (FMC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.9 Quad-SPI memory interface (QUADSPI) . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.10 LCD-TFT controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.11 Chrom-ART Accelerator™ (DMA2D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.12 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . . 22
2.13 External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.14 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.15 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.16 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.17 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2.17.1 Internal reset ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
2.17.2 Internal reset OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.18 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.18.1 Regulator ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.18.2 Regulator OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2.18.3 Regulator ON/OFF and internal reset ON/OFF availability . . . . . . . . . . 30
2.19 Real-time clock (RTC), backup SRAM and backup registers . . . . . . . . . . 30
2.20 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2.21 VBAT operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2.22 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2.22.1 Advanced-control timers (TIM1, TIM8) . . . . . . . . . . . . . . . . . . . . . . . . . 34
DocID027590 Rev 4


Part Number STM32F746NG
Description 32b MCU+FPU
Maker STMicroelectronics
Total Page 30 Pages
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