STM32F427
Every spec below is cited to the manufacturer datasheet. Pick your exact ordering code, compare the closest alternatives, then ask the assistant what it means for your design.
What the STM32F427 family does
The STM32F427xx/STM32F429xx are 32-bit ARM Cortex-M4 microcontrollers featuring an FPU, up to 2 MB of Flash, and 256+4 KB of RAM. These devices operate at speeds up to 225 DMIPS with a clock range of 4 to 26 MHz and support a single supply voltage of 1.7 V to 3.6 V. Key specifications include 168 I/O ports, 17 timers, three 12-bit ADCs, and multiple communication interfaces like USB OTG, Ethernet, and SPI. Engineers typically use these parts for applications requiring high performance, such as camera interfaces, LCD-TFT control, and complex embedded systems demanding real-time processing and advanced connectivity.
STM32F427AI datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| supply voltage range | 1.7 V | — | 3.6 V | ST datasheet, p. 13 | |
| operating temperature | -40 °C | — | 105 °C | ST datasheet, p. 13 | |
| clock frequency | — | 180 MHz | — | ST datasheet, p. 1 | |
| cpu speed | — | 180 MHz | — | ST datasheet, p. 1 | |
| program memory size | — | 1.95 MB | — | ST datasheet, p. 216 | |
| ram size | — | 250 KB | — | ST datasheet, p. 20 | |
| io count | — | 168 | — | ST datasheet, p. 1 | |
| adc resolution | — | 12 bit | — | ST datasheet, p. 1 | |
| core size | — | 32 bit | — | ST datasheet, p. 1 |
STM32F427AI frequently asked questions
What is the ADC resolution of the STM32F427AI?
The ADC resolution is 12 bit.
What is the maximum clock frequency of the STM32F427AI?
The maximum clock frequency is 180 MHz.
What is the core size of the STM32F427AI?
The core size is 32 bit.
What is the maximum CPU speed of the STM32F427AI?
The maximum CPU speed is 180 MHz.
What is the I/O count for the STM32F427AI?
The STM32F427AI has an io count of 168.
What is the maximum operating temperature for the STM32F427AI?
The operating temperature is 105 °C.
What is the program memory size of the STM32F427AI?
The program memory size is 1.95 MB.
What is the RAM size of the STM32F427AI?
The RAM size is 250 KB.
What is the supply voltage range for the STM32F427AI?
The supply voltage range is 3.6 V.
STM32F427IG datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| supply voltage range | 1.7 V | — | 3.6 V | ST datasheet, p. 13 | |
| operating temperature | -40 °C | — | 105 °C | ST datasheet, p. 13 | |
| clock frequency | — | 180 MHz | — | ST datasheet, p. 1 | |
| cpu speed | — | 180 MHz | — | ST datasheet, p. 1 | |
| program memory size | — | 0.977 MB | — | ST datasheet, p. 216 | |
| ram size | — | 250 KB | — | ST datasheet, p. 20 | |
| io count | — | 168 | — | ST datasheet, p. 1 | |
| adc resolution | — | 12 bit | — | ST datasheet, p. 1 | |
| core size | — | 32 bit | — | ST datasheet, p. 1 |
STM32F427IG frequently asked questions
What is the ADC resolution for the STM32F427IG?
The ADC resolution is 12 bit.
What is the maximum clock frequency of the STM32F427IG?
The maximum clock frequency is 180 MHz.
What is the core size of the STM32F427IG?
The core size is 32 bit.
What is the maximum CPU speed of the STM32F427IG?
The maximum CPU speed is 180 MHz.
What is the I/O count for the STM32F427IG?
The I/O count is 168.
What is the maximum operating temperature for the STM32F427IG?
The maximum operating temperature is 105 °C.
What is the program memory size of the STM32F427IG?
The program memory size is 0.977 MB.
What is the RAM size of the STM32F427IG?
The RAM size is 250 KB.
What is the supply voltage range for the STM32F427IG?
The supply voltage range is 3.6 V.
STM32F427II datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| supply voltage range | 1.7 V | — | 3.6 V | ST datasheet, p. 13 | |
| operating temperature | -40 °C | — | 105 °C | ST datasheet, p. 13 | |
| clock frequency | — | 180 MHz | — | ST datasheet, p. 1 | |
| cpu speed | — | 180 MHz | — | ST datasheet, p. 1 | |
| program memory size | — | 1.95 MB | — | ST datasheet, p. 216 | |
| ram size | — | 250 KB | — | ST datasheet, p. 20 | |
| io count | — | 168 | — | ST datasheet, p. 1 | |
| adc resolution | — | 12 bit | — | ST datasheet, p. 1 | |
| core size | — | 32 bit | — | ST datasheet, p. 1 |
STM32F427II frequently asked questions
What is the ADC resolution for the STM32F427II?
The ADC resolution is 12 bit.
What is the maximum clock frequency of the STM32F427II?
The maximum clock frequency is 180 MHz.
What is the core size of the STM32F427II?
The core size is 32 bit.
What is the maximum CPU speed of the STM32F427II?
The maximum CPU speed is 180 MHz.
What is the io count for the STM32F427II?
The io count is 168.
What is the maximum operating temperature for the STM32F427II?
The maximum operating temperature is 105 °C.
What is the program memory size of the STM32F427II?
The program memory size is 1.95 MB.
What is the RAM size of the STM32F427II?
The RAM size is 250 KB.
What is the supply voltage range for the STM32F427II?
The supply voltage range is 3.6 V.
STM32F427VG datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| supply voltage range | 1.7 V | — | 3.6 V | ST datasheet, p. 13 | |
| operating temperature | -40 °C | — | 105 °C | ST datasheet, p. 13 | |
| clock frequency | — | 180 MHz | — | ST datasheet, p. 1 | |
| cpu speed | — | 180 MHz | — | ST datasheet, p. 1 | |
| program memory size | — | 0.977 MB | — | ST datasheet, p. 216 | |
| ram size | — | 250 KB | — | ST datasheet, p. 20 | |
| io count | — | 168 | — | ST datasheet, p. 1 | |
| adc resolution | — | 12 bit | — | ST datasheet, p. 1 | |
| core size | — | 32 bit | — | ST datasheet, p. 1 |
STM32F427VG frequently asked questions
What is the ADC resolution of the STM32F427VG?
The ADC resolution is 12 bit.
What is the maximum clock frequency of the STM32F427VG?
The maximum clock frequency is 180 MHz.
What is the core size of the STM32F427VG?
The core size is 32 bit.
What is the maximum CPU speed of the STM32F427VG?
The maximum CPU speed is 180 MHz.
What is the I/O count for the STM32F427VG?
The I/O count is 168.
What is the maximum operating temperature for the STM32F427VG?
The maximum operating temperature is 105 °C.
What is the program memory size of the STM32F427VG?
The program memory size is 0.977 MB.
What is the RAM size of the STM32F427VG?
The RAM size is 250 KB.
What is the supply voltage range for the STM32F427VG?
The supply voltage range is 3.6 V.
STM32F427VI datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| supply voltage range | 1.7 V | — | 3.6 V | ST datasheet, p. 13 | |
| operating temperature | -40 °C | — | 105 °C | ST datasheet, p. 13 | |
| clock frequency | — | 180 MHz | — | ST datasheet, p. 1 | |
| cpu speed | — | 180 MHz | — | ST datasheet, p. 1 | |
| program memory size | — | 1.95 MB | — | ST datasheet, p. 216 | |
| ram size | — | 250 KB | — | ST datasheet, p. 20 | |
| io count | — | 168 | — | ST datasheet, p. 1 | |
| adc resolution | — | 12 bit | — | ST datasheet, p. 1 | |
| core size | — | 32 bit | — | ST datasheet, p. 1 |
STM32F427VI frequently asked questions
What is the ADC resolution for the STM32F427VI?
The ADC resolution is 12 bit.
What is the maximum clock frequency for the STM32F427VI?
The maximum clock frequency is 180 MHz.
What is the core size of the STM32F427VI?
The core size is 32 bit.
What is the maximum CPU speed of the STM32F427VI?
The maximum CPU speed is 180 MHz.
What is the I/O count for the STM32F427VI?
The I/O count is 168.
What is the maximum operating temperature for the STM32F427VI?
The operating temperature is 105 °C.
What is the program memory size of the STM32F427VI?
The program memory size is 1.95 MB.
What is the RAM size of the STM32F427VI?
The RAM size is 250 KB.
What is the supply voltage range for the STM32F427VI?
The supply voltage range is 3.6 V.