STM32F334C8U6TR datasheet(11/125 Pages) STMICROELECTRONICS

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DS9994 Rev 9

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STM32F334x4 STM32F334x6 STM32F334x8

Description

The STM32F334x4/6/8 family incorporates the high-performance Arm® Cortex®-M4 32-bit

RISC core operating at up to 72 MHz frequency embedding a floating point unit (FPU),

high-speed embedded memories (up to 64 Kbytes of Flash memory, up to 12 Kbytes of

SRAM), and an extensive range of enhanced I/Os and peripherals connected to two APB

buses.

The STM32F334x4/6/8 microcontrollers offer two fast 12-bit ADCs (5 Msps), up to three

ultra-fast comparators, an operational amplifier, three DAC channels, a low-power RTC, one

high-resolution timer, one general-purpose 32-bit timer, one timer dedicated to motor

control, and four general-purpose 16-bit timers. They also feature standard and advanced

communication interfaces: one I2C, one SPI, up to three USARTs and one CAN.

The STM32F334x4/6/8 family operates in the –40 to +85 °C and –40 to +105 °C

temperature ranges from 2.0 to 3.6 V power supply. A comprehensive set of power-saving

modes allow the design of low-power applications.

The STM32F334x4/6/8 family offers devices in 32, 48 and 64-pin packages.

Depending on the device chosen, different sets of peripherals are included.

Table 2. STM32F334x4/6/8 family device features and peripheral counts

Peripheral

STM32F334Kx

STM32F334Cx

STM32F334Rx

Flash memory (Kbyte)

SRAM on data bus (Kbyte)

Core coupled memory SRAM

on instruction bus (CCM

SRAM) (Kbyte)

Timers

High-resolution

timer

1 (16-bit / 10 channels)

Advanced control

1 (16-bit)

General purpose

4 (16-bit)

1 (32 bit)

Basic

2 (16-bit)

SysTick timer

Watchdog timers

(independent,

window)

PWM channels

(all)(1)

PWM channels

(except

complementary)

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