STM32F429 Microcontroller

STM32F429ZIT6 Microcontroller Overview

• ARM Cortex-M4 32b MCU+FPU, 225DMIPS, up to 2MB Flash/256+4KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces, camera & LCD-TFT, Adaptive real-time accelerator (ART AcceleratorTM) allowing 0-wait state execution from Flash memory, frequency up to 180 MHz, and DSP instructions
• Memories
  • Up to 2 MB of Flash memory organized into two banks allowing read-while-write
  • Up to 256+4 KB of SRAM including 64-KB of CCM (core coupled memory) data RAM
  • Flexible external memory controller with up to 32-bit data bus: SRAM,PSRAM,SDRAM, Compact Flash/NOR/NAND memories
• LCD parallel interface, 8080/6800 modes
• LCD-TFT controller up to VGA resolution with dedicated Chrom-ART AcceleratorTM for enhanced graphic content creation (DMA2D)
• Clock, reset and supply management
  • 1.8 V to 3.6 V application supply and I/Os
  • POR, PDR, PVD and BOR
  • 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
  • VBAT supply for RTC, 20×32 bit backup registers + optional 4 KB backup SRAM
• 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
• General-purpose DMA: 16-stream DMA controller with FIFOs and burst support
• Up to 17 timers: up to twelve 16-bit and two 32- bit timers up to 180 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
• Debug mode
  • SWD & JTAG interfaces
  • Cortex-M4 Embedded Trace Macrocell^TM
• Up to 168 I/O ports with interrupt capability
  • Up to 164 fast I/Os upto 84MHz
  • Up to 166 5 V-tolerant I/Os
• Up to 21 communication interfaces
  • Up to 3 × I2C interfaces (SMBus/PMBus)
  • Up to 4 USARTs/4 UARTs (11.25 Mbit/s, ISO7816 interface, LIN, IrDA, modem control)
  • Up to 6 SPIs (42 Mbits/s), 2 with muxed full-duplex I2S for audio class accuracy via internal audio PLL or external clock
  • 1 x SAI (serial audio interface)
  • 2 × CAN (2.0B Active) and SDIO interface
• 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 MBs/s
• True random number generator
• CRC calculation unit
• 96-bit unique ID
• RTC: subsecond accuracy, hardware calendar

STM32F429 block diagram

STM32F429 clock tree

Documents and files

• Latest version of Keil µVision (Register for free to get the download link)
• STM32F429ZI microcontroller datasheet
• ARM Cortex®-M4 Technical Reference Manual
• STM32F42xxx Reference Manual
• Programming manual
• STM32F429ZI resources (click the Design Resources tab)

32F429IDISCOVERY Development Board Overview

front

back

• STM32F429ZIT6 microcontroller featuring
  • 2 MB of Flash memory
  • 256 KB of RAM
  • LQFP144 package
• On-board ST-LINK/V2 with selection mode switch to use the kit as a standalone
• ST-LINK/V2 (with SWD connector for programming and debugging)
• Board power supply
  • through the USB bus
  • from an external 3 V or 5 V supply voltage
• 2.4" QVGA TFT LCD
  • ILI9341 LCD controller
• SDRAM 64 Mbits
• L3GD20, ST MEMS motion sensor, 3-axis digital output gyroscope
• Six LEDs:
  • LD1 (red/green) for USB communication
  • LD2 (red) for 3.3 V power-on
  • Two user LEDs
    • LD3 (green) PG13
    • LD4 (red) PG14
  • Two USB OTG LEDs:
    • LD5 (green) VBUS
    • LD6 (red) OC (over-current)
• Two pushbuttons
  • user
  • reset
• USB OTG with micro-AB connector
• Extension header for LQFP144 I/Os for a quick connection to the prototyping board and an easy probing

Documents and files

• Product Page 32F429IDISCOVERYDiscovery kit for STM32 F429/439 lines - with STM32F429ZI MCU
• Discovery kit for STM32F429/439 lines board data brief
• Schematic
• User Manual Discovery kit for STM32F429/439 lines (board overview, diagrams and schematics, used pins)
• Getting started with the STM32F429 Discovery kit (connecting and programming)
• Getting started with STM32F429 Discovery software development tools (programming and IDEs)

• STSW-STM32138STM32F429 discovery firmware package (UM1662)
• STM32F429 discovery .Net Micro Framework package (UM1676)

Board Layout

Front View

Back View

Pinout

Front view

Available pins on board

Available pins on board

Bit

0

1

2

3

4

5

6

7

8

9

10

11

12

113

14

15

Port A

PA0

PA1

PA2

PA3

PA4

PA5

PA6

PA7

PA8

PA9

PA10

PA11

PA12

PA13

PA14

PA15

Port B

PB3

PB4

PB5

PB6

PB7

PB8

PB9

PB10

PB11

PB12

PB13

PB14

PB15

Port C

PC0

PC1

PC2

PC3

PC4

PC5

PC6

PC7

PC8

PC9

PC10

PC11

PC12

PC13

PC14

PC15

Port D

PD0

PD1

PD2

PD3

PD4

PD5

PD6

PD7

PD8

PD9

PD10

PD11

PD12

PD13

PD14

PD15

Port E

PE0

PE1

PE2

PE3

PE4

PE5

PE6

PE7

PE8

PE9

PE10

PE11

PE12

PE13

PE14

PE15

Port F

PF0

PF1

PF2

PF3

PF4

PF5

PF11

PF12

PF13

PF14

PF15

Port G

PG0

PG1

PG2

PG3

PG4

PG5

PG6

PG7

PG8

PG9

PG10

PG11

PG12

PG13

PG14

PG15

Port H

PH0

PH1

PCB IO map

IO connections

Pin	Direction	Connected to
PA0	←	Push button B1
PA1	←	L3GD20 INT1
PA2	←	L3GD20 INT2
PA3	↔	LCD-TFT DB3 LCD-RGB B5
PA4	?	LCD-TFT VSYNC LCD-RGB VSYNC
PA5
PA6	↔	LCD-TFT DB6 LCD-RGB G2
PA7	?	ACP RST
PA8	?	ACP SCL Touch Panel SCL
PA9
PA10
PA11	↔	LCD-TFT DB15 LCD-RGB R4
PA12	↔	LCD-TFT DB15 LCD-RGB R5
PA13	?	SWDIO
PA14	?	SWCLK
PA15	←	Touch panel INT
PB0	↔
PB1	↔
PB2	↔
PB3	↔
PB4	↔
PB5	↔
PB6	↔
PB7	↔
PB8	↔
PB9	↔
PB10	↔
PB11	↔
PB12	↔
PB13	↔
PB14	↔
PB15	↔
PC0	↔
PC1	↔
PC2	↔
PC3	↔
PC4	↔
PC5	↔
PC6	↔
PC7	↔
PC8	↔
PC9	↔
PC10	↔
PC11	↔
PC12	↔
PC13	↔
PC14	↔
PC15	↔
PD0	↔
PD1	↔
PD2	↔
PD3	↔
PD4	↔
PD5	↔
PD6	↔
PD7	↔
PD8	↔
PD9	↔
PD10	↔
PD11	↔
PD12	↔
PD13	↔
PD14	↔
PD15	↔
PE0	↔
PE1	↔
PE2	↔
PE3	↔
PE4	↔
PE5	↔
PE6	↔
PE7	↔
PE8	↔
PE9	↔
PE10	↔
PE11	↔
PE12	↔
PE13	↔
PE14	↔
PE15	↔
PF0	↔
PF1	↔
PF2	↔
PF3	↔
PF4	↔
PF5	↔
PF6	↔
PF7	↔
PF8	↔
PF9	↔
PF10	↔
PF11	↔
PF12	↔
PF13	↔
PF14	↔
PF15	↔
PG0	↔
PG1	↔
PG2	↔
PG3	↔
PG4	↔
PG5	↔
PG6	↔
PG7	↔
PG8	↔
PG9	↔
PG10	↔
PG11	↔
PG12	↔
PG13	↔
PG14	↔
PG15	↔
PH0	↔
PH1	↔
PH2	↔
PH3	↔
PH4	↔
PH5	↔
PH6	↔
PH7	↔
PH8	↔
PH9	↔
PH10	↔
PH11	↔
PH12	↔
PH13	↔
PH14	↔
PH15	↔