STM32F101X4 datasheet(7/87 Pages) STMICROELECTRONICS

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STM32F101x4, STM32F101x6

List of Figures

Figure 1.

STM32F101xx Low-density access line block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 2.

Clock tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 3.

STM32F101xx Low-density access line LQFP64 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 4.

STM32F101xx Low-density access line LQFP48 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 5.

STM32F101xx Low-density access line UFQPFN48 pinout . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 6.

STM32F101xx Low-density access line VFQPFN36 pinout . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 7.

Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 8.

Pin loading conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 9.

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 10.

Power supply scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 11.

Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 12.

Typical current consumption in Run mode versus frequency (at 3.6 V) -

code with data processing running from RAM, peripherals enabled. . . . . . . . . . . . . . . . . . 36

Figure 13.

Typical current consumption in Run mode versus frequency (at 3.6 V) -

code with data processing running from RAM, peripherals disabled . . . . . . . . . . . . . . . . . 36

Figure 14.

Typical current consumption on VBAT with RTC on versus temperature at different

VBAT values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 15.

Typical current consumption in Stop mode with regulator in Run mode

versus temperature at VDD = 3.3 V and 3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 16.

Typical current consumption in Stop mode with regulator in Low-power mode versus

temperature at VDD = 3.3 V and 3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 17.

Typical current consumption in Standby mode versus temperature at VDD = 3.3 V and

3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 18.

High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 19.

Low-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 20.

Typical application with an 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Figure 21.

Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Figure 22.

Standard I/O input characteristics - CMOS port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Figure 23.

Standard I/O input characteristics - TTL port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Figure 24.

5 V tolerant I/O input characteristics - CMOS port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Figure 25.

5 V tolerant I/O input characteristics - TTL port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Figure 26.

I/O AC characteristics definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Figure 27.

Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Figure 28.

I2C bus AC waveforms and measurement circuit(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Figure 29.

SPI timing diagram - slave mode and CPHA = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Figure 30.

SPI timing diagram - slave mode and CPHA = 1(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Figure 31.

SPI timing diagram - master mode(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Figure 32.

ADC accuracy characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Figure 33.

Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Figure 34.

Power supply and reference decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Figure 35.

VFQFPN36 - 36-pin, 6x6 mm, 0.5 mm pitch very thin profile fine pitch

quad flat package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Figure 36.

VFQFPN36 - 36-pin, 6x6 mm, 0.5 mm pitch very thin profile fine pitch

quad flat package recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Figure 37.

VFQFPN36 marking example (package top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Figure 38.

LQFP64 - 64-pin, 10 x 10 mm low-profile quad flat package outline . . . . . . . . . . . . . . . . . 75

Figure 39.

LQFP64 - 64-pin, 10 x 10 mm low-profile quad flat package

recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

STM32F101X4 数据表(PDF) 7 Page - STMicroelectronics

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