CORTEX M4
CPU+ MPU
+ FPU
180 MHz
3
STM32F4x9 Block Diagram
256KB SRAM
APB2
(max 90MHz)
3x 12-bit ADC
24 channels / 2Msps
3x I
2
C
80/112/140 I/Os
Up to 16 Ext. ITs
2x6x 16-bit PWM
Synchronized AC Timer
2x Watchdog
(independent & window)
5x 16-bit Timer
JTAG/SW Debug
XTAL oscillators
32KHz + 8~25MHz
Power Supply
Reg 1.2V
POR/PDR/PVD
DMA
16 Channels
Nested vect IT Ctrl
2x DAC + 2 Timers
2 x USART/LIN
4 x SPI
Bridge
Bridge
1 x Systic Timer
PLL
Clock Control
RTC / AWU
APB1
(max 45MHz)
4KB backup RAM
ETM
Ethernet MAC
10/100, IEEE1588
Flash I/F
2MB Flash
Memory Dual
Bank
External Memory
Interface with SDRAM
Encryption
Camera Interface
USB 2.0 OTG FS
6x USART/LIN
1x SDIO
Int. RC oscillators
32KHz + 16MHz
AHB1
(max 180MHz)
AHB2
(max 180MHz)
3 x 16bit Timer
ARM ® 32-bit multi-AHB bus matrix
Arbiter (max 120MHz)
2x 32-bit Timer
2x CAN 2.0B
2x SPI/I2S
Temp Sensor
LCD Controller
Chrom-ART
1xSAI
New IPs/Features/more IPs
instances
• Fully compatible with F4x
• Up to 180MHz with over-drive mode
• Dual Bank 2 x 1MB Flash
• 256KB SRAM
• FMC with SDRAM + Support and
32-bit data
• Audio PLL + Serial Audio I/F
• LCD-TFT Controller
• Chrom – ART Accelerator
• Hash: supporting SHA-2 and GCM
• More serial com and more fast
timers running at Fcpu
• 100 pins to 208 pins
• 1.71V-3.6V Supply
USB 2.0 OTG HS
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