STM32F101RBT6 Datasheet, PDF (7/89 Pages) STMicroelectronics – Medium-density access line, ARM-based 32-bit MCU with 64 or 128 KB Flash, 6 timers, ADC and 7 communication interfaces

STM32F101x8, STM32F101xB
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STM32F101xx medium-density access line block diagram . . . . . . . . . . . . . . . . . . . . . . . . 12
Clock tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
STM32F101xx medium-density access line LQFP100 pinout . . . . . . . . . . . . . . . . . . . . . . 21
STM32F101xx medium-density access line LQFP64 pinout . . . . . . . . . . . . . . . . . . . . . . . 22
STM32F101xx medium-density access line LQFP48 pinout . . . . . . . . . . . . . . . . . . . . . . . 22
STM32F101xx medium-density access line UFQPFN48 pinout. . . . . . . . . . . . . . . . . . . . . 23
STM32F101xx medium-density access line VFQPFN36 pinout . . . . . . . . . . . . . . . . . . . . . 23
Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Pin loading conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Power supply scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Typical current consumption in Run mode versus frequency (at 3.6 V) -
code with data processing running from RAM, peripherals enabled. . . . . . . . . . . . . . . . . . 37
Typical current consumption in Run mode versus frequency (at 3.6 V) -
code with data processing running from RAM, peripherals disabled . . . . . . . . . . . . . . . . . 37
Typical current consumption on V_BAT with RTC on versus temperature at different
V_BAT values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Typical current consumption in Stop mode with regulator in Run mode versus
temperature at V_DD = 3.3 V and 3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Typical current consumption in Stop mode with regulator in Low-power mode versus
temperature at V_DD = 3.3 V and 3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Typical current consumption in Standby mode versus temperature at V_DD = 3.3 V and
3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Low-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Typical application with an 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Standard I/O input characteristics - CMOS port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Standard I/O input characteristics - TTL port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
5 V tolerant I/O input characteristics - CMOS port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
5 V tolerant I/O input characteristics - TTL port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
I/O AC characteristics definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
I²C bus AC waveforms and measurement circuit⁽¹⁾ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
SPI timing diagram - slave mode and CPHA = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
SPI timing diagram - slave mode and CPHA = 1⁽¹⁾ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
SPI timing diagram - master mode⁽¹⁾ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
ADC accuracy characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Power supply and reference decoupling (V_REF+ not connected to V_DDA). . . . . . . . . . . . . . 70
Power supply and reference decoupling (V_REF+ connected to V_DDA). . . . . . . . . . . . . . . . . 71
UFQFPN48 7 x 7 mm, 0.5 mm pitch, package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
VFQFPN36 6 x 6 mm, 0.5 mm pitch, package outline^{(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75}
Recommended footprint (dimensions in mm)^{(1)(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75}
LQFP100, 14 x 14 mm, 100-pin low-profile quad flat package outline . . . . . . . . . . . . . . . . 76
Recommended footprint⁽¹⁾ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Doc ID 13586 Rev 15
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