STM32F103RET6 STMicroelectronics, STM32F103RET6 Datasheet - Page 13

• Manufacturer Part Number: STM32F103RET6
• Description: MCU ARM 512KB FLASH MEM 64-LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F103RET6

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 72MHz
• Connectivity: CAN, I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
• Number Of I /o: 51
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 16x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Processor Series: STM32F103x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: CAN, I2C, SPI, USART
• Maximum Clock Frequency: 72 MHz
• Number Of Programmable I/os: 51
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWARM, EWARM-BL, MDK-ARM, RL-ARM, ULINK2
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 3 (12 bit, 16 Channel)
• On-chip Dac: 2 (12 bit, 2 Channel)
• For Use With: 497-10508 - BOARD EVAL FOR MEMS SENSORS497-10048 - BOARD EVAL ACCELEROMETER497-10030 - STARTER KIT FOR STM32497-8853 - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL - KIT IAR KICKSTART STM32 CORTEXM3497-8512 - KIT STARTER FOR STM32F10XE MCU497-8511 - KIT STARTER FOR STM32 512K FLASH497-8505 - KIT STARTER FOR STM32F10XE MCU497-8304 - KIT STM32 MOTOR DRIVER BLDC497-6438 - BOARD EVALUTION FOR STM32 512K497-6289 - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U - BOARD EVAL MCBSTM32 + ULINK2MCBSTM32 - BOARD EVAL FOR STM STM32X SER497-6053 - KIT STARTER FOR STM32497-6052 - KIT STARTER FOR STM32497-6050 - KIT STARTER FOR STM32497-6049 - KIT EVALUATION LOW COST STM32497-6048 - BOARD EVALUATION FOR STM32497-6047 - KIT DEVELOPMENT FOR STM32497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6444

STM32F103xC, STM32F103xD, STM32F103xE
Figure 2.
1. When the HSI is used as a PLL clock input, the maximum system clock frequency that can be achieved is
2. For the USB function to be available, both HSE and PLL must be enabled, with the CPU running at either
3. To have an ADC conversion time of 1 µs, APB2 must be at 14 MHz, 28 MHz or 56 MHz.
OSC32_OUT
OSC32_IN
OSC_OUT
64 MHz.
48 MHz or 72 MHz.
OSC_IN
MCO
Clock tree
4-16 MHz
32.768 kHz
HSE OSC
Main
Clock Output
LSE OSC
HSI RC
8 MHz
LSI RC
40 kHz
PLLSRC
MCO
x2, x3, x4
PLLMUL
HSI
..., x16
PLLXTPRE
PLL
/2
/128
LSE
LSI
/2
RTCSEL[1:0]
/2
HSE
SYSCLK
PLLCLK
HSI
Doc ID 14611 Rev 7
PLLCLK
RTCCLK
to Independent Watchdog (IWDG)
HSI
HSE
CSS
SW
SYSCLK
72 MHz
to RTC
max
IWDGCLK
Prescaler
/1, 2..512
AHB
Prescaler
Peripheral clock
enable
Peripheral clock
enable
/1, 1.5
USB
/1, 2, 4, 8, 16
TIM2,3,4,5,6,7
If (APB1 prescaler =1) x1
/1, 2, 4, 8, 16
If (APB2 prescaler =1) x1
TIM1 & 8 timers
Peripheral clock
enable
Peripheral clock
enable
/8
Prescaler
Prescaler
72 MHz max
APB2
APB1
Prescaler
/2, 4, 6, 8
Clock
/2
Enable (4 bits)
ADC
48 MHz
HSE = High Speed External clock signal
HSI = High Speed Internal clock signal
LSI = Low Speed Internal clock signal
LSE = Low Speed External clock signal
Legend:
I2S3CLK
I2S2CLK
Peripheral clock
enable
else x2
72 MHz max
else x2
36 MHz max
ADCCLK
Peripheral Clock
Peripheral Clock
Enable (20 bits)
Enable (15 bits)
USBCLK
to USB interface
Peripheral Clock
Enable (6 bits)
HCLK
to AHB bus, core,
memory and DMA
FCLK Cortex
free running clock
to I2S3
to I2S2
to Cortex System timer
Peripheral Clock
Enable (2 bit)
To SDIO AHB interface
FSMCCLK
SDIOCLK
HCLK/2
to TIM2,3,4,5,6 and 7
TIMxCLK
TIMXCLK
peripherals to APB2
PCLK1
PCLK2
to APB1
peripherals
to ADC1, 2 or 3
to FSMC
Description
to TIM1 and TIM8
to SDIO
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