STM32F205RB datasheet(11/163 Pages) STMICROELECTRONICS

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STM32F205xx, STM32F207xx

Description

Doc ID 15818 Rev 7

11/163

Description

The STM32F205xx and STM32F207xx family is based on the high-performance ARM®

Cortex™-M3 32-bit RISC core operating at a frequency of up to 120 MHz. The family

incorporates high-speed embedded memories (Flash memory up to 1 Mbyte, up to

128 Kbytes of system SRAM), up to 4 Kbytes of backup SRAM, and an extensive range of

enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit

multi-AHB bus matrix.

The devices also feature an adaptive real-time memory accelerator (ART Accelerator™)

which allows to achieve a performance equivalent to 0 wait state program execution from

Flash memory at a CPU frequency up to 120 MHz. This performance has been validated

using the CoreMark benchmark.

All devices offer three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpose

16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers.

a true number random generator (RNG). They also feature standard and advanced

communication interfaces. New advanced peripherals include an SDIO, an enhanced

flexible static memory control (FSMC) interface (for devices offered in packages of 100 pins

and more), and a camera interface for CMOS sensors. The devices also feature standard

peripherals.

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Up to three I2Cs

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Three SPIs, two I2Ss. To achieve audio class accuracy, the I2S peripherals can be

clocked via a dedicated internal audio PLL or via an external PLL to allow

synchronization.

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4 USARTs and 2 UARTs

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An USB OTG full-speed and a USB OTG full-speed with high-speed capability (with the

ULPI),

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Two CANs

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An SDIO interface

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Ethernet and the camera interface available on STM32F207xx devices only.

Note:

The STM32F205xx and STM32F207xx family operates in the –40 to +105 °C temperature

range from a 1.8 V to 3.6 V power supply. The supply voltage can drop to 1.65 V when the

device operates in a reduced temperature range.

A comprehensive set of power-saving mode allows the design of low-power applications.

The STM32F205xx and STM32F207xx family offers devices in four packages ranging from

64 pins to 176 pins. The set of included peripherals changes with the device chosen.

These features make the STM32F205xx and STM32F207xx microcontroller family suitable

for a wide range of applications:

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Motor drive and application control

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Medical equipment

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Industrial applications: PLC, inverters, circuit breakers

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Printers, and scanners

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Alarm systems, video intercom, and HVAC

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Home audio appliances

Figure 4 shows the general block diagram of the device family.

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