STM32F101X4 datasheet(13/73 Pages) STMICROELECTRONICS

13 / 73 page

STM32F101x4, STM32F101x6

Description

Doc ID 15058 Rev 3

13/74

2.2

Full compatibility throughout the family

The STM32F101xx is a complete family whose members are fully pin-to-pin, software and

feature compatible. In the reference manual, the STM32F101x4 and STM32F101x6 are

referred to as low-density devices, the STM32F101x8 and STM32F101xB are referred to as

medium-density devices, and the STM32F101xC, STM32F101xD and STM32F101xE are

referred to as high-density devices.

Low- and high-density devices are an extension of the STM32F101x8/B devices, they are

specified in the STM32F101x4/6 and STM32F101xC/D/E datasheets, respectively. Low-

density devices feature lower Flash memory and RAM capacities and a timer less. High-

density devices have higher Flash memory and RAM capacities, and additional peripherals

like FSMC and DAC, while remaining fully compatible with the other members of the

STM32F101xx family.

The STM32F101x4, STM32F101x6, STM32F101xC, STM32F101xD and STM32F101xE

are a drop-in replacement for the STM32F101x8/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 STM32F101xx performance line family is fully compatible with all existing

STM32F101xx access line and STM32F102xx USB access line devices.

Table 3.

STM32F101xx family

Pinout

Memory size

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), the

reference datasheet for electrical characteristics is that of the STM32F101x8/B medium-density devices.

64 KB

Flash

128 KB

Flash

256 KB

Flash

384 KB

Flash

512 KB

Flash

4 KB RAM 6 KB RAM 10 KB RAM 16 KB RAM

32 KB

RAM

48 KB

RAM

48 KB

RAM

144

5 × USARTs

4 × 16-bit timers, 2 × basic timers

3 × SPIs, 2 × I2Cs, 1 × ADC,

2 × DACs, FSMC (100 and 144 pins)

100

3 × USARTs

3 × 16-bit timers

2 × SPIs, 2 × I2Cs,

1 × ADC

2 × USARTs

2 × 16-bit timers

1 × SPI, 1 × I2C

1 × ADC

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