STM32F407ZG STMicroelectronics, STM32F407ZG Datasheet - Page 30

• Manufacturer Part Number: STM32F407ZG
• Description: High-performance and DSP with FPU, ARM Cortex-M4 MCU with 1 Mbyte Flash, 168 MHz CPU, Art Accelerator, Ethernet
• Manufacturer: STMicroelectronics

Specifications of STM32F407ZG

• 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
• 3×12-bit, 2.4 Msps A/d Converters: up to 24 channels and 7.2 MSPS in triple interleaved mode
• 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
• 10/100 Ethernet Mac With Dedicated Dma: supports IEEE 1588v2 hardware, MII/RMII
• Rtc: subsecond accuracy, hardware calendar

Description
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General-purpose timers (TIMx)
There are ten synchronizable general-purpose timers embedded in the STM32F40x devices
(see
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Basic timers TIM6 and TIM7
These timers are mainly used for DAC trigger and waveform generation. They can also be
used as a generic 16-bit time base.
TIM6 and TIM7 support independent DMA request generation.
Independent watchdog
The independent watchdog is based on a 12-bit downcounter and 8-bit prescaler. It is
clocked from an independent 32 kHz internal RC and as it operates independently from the
main clock, it can operate in Stop and Standby modes. It can be used either as a watchdog
to reset the device when a problem occurs, or as a free-running timer for application timeout
management. It is hardware- or software-configurable through the option bytes.
Window watchdog
The window watchdog is based on a 7-bit downcounter that can be set as free-running. It
can be used as a watchdog to reset the device when a problem occurs. It is clocked from the
main clock. It has an early warning interrupt capability and the counter can be frozen in
debug mode.
TIM2, TIM3, TIM4, TIM5
The STM32F40x include 4 full-featured general-purpose timers: TIM2, TIM5, TIM3, and
TIM4.The TIM2 and TIM5 timers are based on a 32-bit auto-reload up/downcounter
and a 16-bit prescaler. The TIM3 and TIM4 timers are based on a 16-bit auto-reload
up/downcounter and a 16-bit prescaler. They all feature 4 independent channels for
input capture/output compare, PWM or one-pulse mode output. This gives up to 16
input capture/output compare/PWMs on the largest packages.
The TIM2, TIM3, TIM4, TIM5 general-purpose timers can work together, or with the
other general-purpose timers and the advanced-control timers TIM1 and TIM8 via the
Timer Link feature for synchronization or event chaining.
Any of these general-purpose timers can be used to generate PWM outputs.
TIM2, TIM3, TIM4, TIM5 all have independent DMA request generation. They are
capable of handling quadrature (incremental) encoder signals and the digital outputs
from 1 to 4 hall-effect sensors.
TIM9, TIM10, TIM11, TIM12, TIM13, and TIM14
These timers are based on a 16-bit auto-reload upcounter and a 16-bit prescaler.
TIM10, TIM11, TIM13, and TIM14 feature one independent channel, whereas TIM9
and TIM12 have two independent channels for input capture/output compare, PWM or
one-pulse mode output. They can be synchronized with the TIM2, TIM3, TIM4, TIM5
full-featured general-purpose timers. They can also be used as simple time bases.
Table 3
for differences).
Doc ID 022152 Rev 2
STM32F405xx, STM32F407xx