November 2012 Doc ID 023138 Rev 1 1/81
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STM32F427xx
ARM Cortex-M4 32b MCU+FPU, 210DMIPS, up to 2MB Flash/256+4KB RAM USB
OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces & camera
Data brief
Features
■
Core: ARM 32-bit Cortex™-M4 CPU with FPU,
Adaptive real-time accelerator (ART
Accelerator™) allowing 0-wait state execution
from Flash memory, frequency up to 168 MHz,
memory protection unit, 210 DMIPS/
1.25 DMIPS/MHz (Dhrystone 2.1), and DSP
instructions
■
Memories
– Up to 2 Mbyte of Flash memory
– Up to 256+4 Kbytes of SRAM including 64-
Kbyte of CCM (core coupled memory) data
RAM
– Flexible static memory controller
supporting Compact Flash, SRAM,
PSRAM, NOR and NAND memories
■
LCD parallel interface, 8080/6800 modes
■
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
–V
BAT
supply for RTC, 20×32 bit backup
registers + optional 4 KB backup SRAM
■
3×12-bit, 2.4 MSPS A/D converters: 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 168 MHz, each with up to 4
IC/OC/PWM or pulse counter and quadrature
(incremental) encoder input
■
Debug mode
– Serial wire debug (SWD) & JTAG interfaces
– Cortex-M4 Embedded Trace Macrocell™
■
Up to 140 I/O ports with interrupt capability
– Up to 136 fast I/Os up to 84 MHz
– Up to 138 5 V-tolerant I/Os
■
Up to 20 communication interfaces
– Up to 3 × I
2
C interfaces (SMBus/PMBus)
– Up to 4 USARTs/4 UARTs (10.5 Mbit/s,
ISO 7816 interface, LIN, IrDA, modem
control)
– Up to 6 SPIs (42 Mbits/s), 2 with muxed
full-duplex I
2
S to achieve audio class
accuracy via internal audio PLL or external
clock
– 2 × CAN interfaces (2.0B Active)
– 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 Mbytes/s
■
True random number generator
■
CRC calculation unit
■
96-bit unique ID
■
RTC: subsecond accuracy, hardware calendar
Table 1. Device summary
Reference Part number
STM32F427xx
STM32F427VG, STM32F427ZG,
STM32F427IG, STM32F427VI,
STM32F427ZI, STM32F427II
LQFP100 (14 × 14 mm)
LQFP144 (20 × 20 mm)
UFBGA176
(10 × 10 mm)
LQFP176 (24 × 24 mm)
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