CD00191174 Datasheet, PDF (14/112 Pages) STMicroelectronics – High-density access line, ARM-based 32-bit MCU

Description
STM32F101xC, STM32F101xD, STM32F101xE
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
identified 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 medium-density
devices, they are specified in the STM32F101x4/6 and STM32F101xC/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 densities, and
additional peripherals like FSMC and DACwhile remaining fully compatible with the other
members of the family.
The STM32F101x4, STM32F101x6, STM32F101xC, STM32F101xD and STM32F101xE
are a drop-in replacement for the STM32F101x8/B devices, allowing the user to try different
memory densities and providing a greater degree of freedom during the development cycle.
Moreover, the STM32F101xx access line family is fully compatible with all existing
STM32F103xx performance line and STM32F102xx USB access line devices.
Table 3. STM32F101xx family
Memory size
Low-density devices Medium-density devices
High-density devices
Pinout 16 KB
Flash
32 KB
Flash⁽¹⁾
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
100
64 2 × USARTs
48
2 × 16-bit timers
1 × SPI, 1 × I²C
36 1 × ADC
3 × USARTs
3 × 16-bit timers
2 × SPIs, 2 × I2Cs,
1 × ADC
5 × USARTs
4 × 16-bit timers, 2 × basic timers
3 × SPIs, 2 × I²Cs, 1 × ADC, 2 × DACs
FSMC (100 and 144 pins)
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.
2.3
2.3.1
Overview
ARM^® Cortex™-M3 core with embedded Flash and SRAM
The ARM Cortex™-M3 processor is the latest generation of ARM processors for embedded
systems. It has been developed to provide a low-cost platform that meets the needs of MCU
implementation, with a reduced pin count and low-power consumption, while delivering
outstanding computational performance and an advanced system response to interrupts.
14/112
Doc ID 14610 Rev 8