STM32F103C4T6ATR datasheet(12/80 Pages) STMICROELECTRONICS

12 / 80 page

Description

STM32F103x4, STM32F103x6

12/80

Doc ID 15060 Rev 3

2.2

Full compatibility throughout the family

The STM32F103xx is a complete family whose members are fully pin-to-pin, software and

feature compatible. In the reference manual, the STM32F103x4 and STM32F103x6 are

identified as low-density devices, the STM32F103x8 and STM32F103xB are referred to as

medium-density devices, and the STM32F103xC, STM32F103xD and STM32F103xE are

referred to as high-density devices.

Low- and high-density devices are an extension of the STM32F103x8/B devices, they are

specified in the STM32F103x4/6 and STM32F103xC/D/E datasheets, respectively. Low-

density devices feature lower Flash memory and RAM capacities, less timers and

peripherals. High-density devices have higher Flash memory and RAM capacities, and

additional peripherals like SDIO, FSMC, I2S and DAC, while remaining fully compatible with

the other members of the STM32F103xx family.

The STM32F103x4, STM32F103x6, STM32F103xC, STM32F103xD and STM32F103xE

are a drop-in replacement for STM32F103x8/B medium-density devices, allowing the user

to try different memory densities and providing a greater degree of freedom during the

development cycle.

Moreover, the STM32F103xx performance line family is fully compatible with all existing

STM32F101xx access line and STM32F102xx USB access line devices.

Table 3.

STM32F103xx family

Pinout

Low-density devices

Medium-density devices

High-density devices

16 KB

Flash

32 KB

Flash(1)

For orderable part numbers that do not show the A internal code after the temperature range code (6 or 7),

the reference datasheet for electrical characteristics is that of the STM32F103x8/B medium-density

devices.

64 KB

Flash

128 KB

Flash

256 KB

Flash

384 KB

Flash

512 KB

Flash

6 KB RAM 10 KB RAM 20 KB RAM 20 KB RAM 48 KB RAM 64 KB RAM 64 KB RAM

144

5 × USARTs

4 × 16-bit timers, 2 × basic timers

3 × SPIs, 2 × I2Ss, 2 × I2Cs

USB, CAN, 2 × PWM timers

3 × ADCs, 2 × DACs, 1 × SDIO

FSMC (100 and 144 pins)

100

3 × USARTs

3 × 16-bit timers

2 × SPIs, 2 × I2Cs, USB,

CAN, 1 × PWM timer

2 × ADCs

2 × USARTs

2 × 16-bit timers

1 × SPI, 1 × I2C, USB,

CAN, 1 × PWM timer

2 × ADCs

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