STM32F102R8

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Mainstream USB Access line, Arm Cortex-M3 MCU with 64 Kbytes of Flash memory, 48 MHz CPU, USB FS

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Product overview

Description

The STM32F102xx medium-density USB access line incorporates the high-performance Arm® Cortex®-M3 32-bit RISC core operating at a 48 MHz frequency, high-speed embedded memories (Flash memory of 64 or 128 Kbytes and SRAM of 10 or 16 Kbytes), and an extensive range of enhanced peripherals and I/Os connected to two APB buses. All devices offer standard communication interfaces (two I2Cs, two SPIs, one USB and three USARTs), one 12-bit ADC and three general-purpose 16-bit timers.

The STM32F102xx family operates in the –40 to +85 °C temperature range, from a 2.0 to 3.6 V power supply. A comprehensive set of power-saving mode allows the design of low-power applications.

The STM32F102xx medium-density USB access line is delivered in the LQFP48 7 × 7 mm and LQFP64 10 × 10 mm packages.

The STM32F102xx medium-density USB access line microcontrollers are suitable for a wide range of applications.

  • All features

    • Core: Arm® 32-bit Cortex®-M3 CPU
      • 48 MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 WS memory access
      • Single-cycle multiplication and hardware division
    • Memories
      • 64 or 128 Kbytes of Flash memory
      • 10 or 16 Kbytes of SRAM
    • Clock, reset and supply management
      • 2.0 to 3.6 V application supply and I/Os
      • POR, PDR and programmable voltage detector (PVD)
      • 4-to-16 MHz crystal oscillator
      • Internal 8 MHz factory-trimmed RC
      • Internal 40 kHz RC
      • PLL for CPU clock
      • 32 kHz oscillator for RTC with calibration
    • Low power
      • Sleep, Stop and Standby modes
      • VBAT supply for RTC and backup registers
    • Debug mode
      • Serial wire debug (SWD) and JTAG interfaces
    • DMA
      • 7-channel DMA controller
      • Peripherals supported: timers, ADC, SPIs, I2Cs and USARTs
    • 1 × 12-bit, 1.2 µs A/D converter (up to 16 channels)
      • Conversion range: 0 to 3.6 V
      • Temperature sensor
    • Up to 51 fast I/O ports
      • 37/51 I/Os all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
    • Up to six timers
      • Three 16-bit timers, each with up to four IC/OC/PWM or pulse counter
      • Two watchdog timers (Independent and Window)
      • SysTick timer: 24-bit downcounter
    • Up to eight communication interfaces
      • Up to two I2C interfaces (SMBus/PMBus)
      • Up to three USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
      • Up to two SPIs (12 Mbit/s)
      • One USB 2.0 full speed interface
    • CRC calculation unit, 96-bit unique ID
    • ECOPACK packages

Circuit Diagram

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM32F102R8T6
Active
LQFP 64 10x10x1.4 mm Industrial Ecopack2

STM32F102R8T6

Package:

LQFP 64 10x10x1.4 mm

Material Declaration**:

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Marketing Status

Active

Package

LQFP 64 10x10x1.4 mm

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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ECCN (US)
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Temperature (°C)
D/A Converters (typ) (12-bit)
Timers (typ) (16-bit)
Timers (typ) (32-bit)
Number of Channels (typ)
SMPS
Number of Channels (typ)
UART (typ)
I/Os (High Current)
Integrated op-amps
Comparator
SPI (typ)
USART (typ)
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I2S (typ)
CAN (2.0)
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STM32F102R8T6
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Part Number:

STM32F102R8T6

Operating Temperature (°C)

Min:

Max:

D/A Converters (typ) (12-bit):

-

Timers (typ) (16-bit):

3

Timers (typ) (32-bit):

-

Number of Channels (typ):

-

SMPS:

-

Number of Channels (typ):

-

UART (typ):

-

I/Os (High Current):

51

Integrated op-amps:

-

Comparator:

-

SPI (typ):

2

USART (typ):

3

Number of Channels (typ):

16

I2S (typ):

-

CAN (2.0):

-

CAN (FD):

-

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors