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September 2009 Doc ID 15274 Rev 4 1/95

STM32F105xx

STM32F107xx

Connectivity line, ARM-based 32-bit MCU with 64/256 KB Flash, USB

OTG, Ethernet, 10 timers, 2 CANs, 2 ADCs, 14 communication interfaces

Features

■ Core: ARM 32-bit Cortex™-M3 CPU

– 72 MHz maximum frequency,

1.25 DMIPS/MHz (Dhrystone 2.1)

performance at 0 wait state memory

access

– Single-cycle multiplication and hardware

division

■ Memories

– 64 to 256 Kbytes of Flash memory

– up to 64 Kbytes of general-purpose SRAM

■ Clock, reset and supply management

– 2.0 to 3.6 V application supply and I/Os

– POR, PDR, and programmable voltage

detector (PVD)

– 3-to-25 MHz crystal oscillator

– Internal 8 MHz factory-trimmed RC

– Internal 40 kHz RC with calibration

– 32 kHz oscillator for RTC with calibration

■ Low power

– Sleep, Stop and Standby modes

–V

BAT

supply for RTC and backup registers

■ 2 × 12-bit, 1 µs A/D converters (16 channels)

– Conversion range: 0 to 3.6 V

– Sample and hold capability

– Temperature sensor

– up to 2 MSPS in interleaved mode

■ 2 × 12-bit D/A converters

■ DMA: 12-channel DMA controller

– Supported peripherals: timers, ADCs, DAC,

Ss, SPIs, I

Cs and USARTs

■ Debug mode

– Serial wire debug (SWD) & JTAG interfaces

– Cortex-M3 Embedded Trace Macrocell™

■ Up to 80 fast I/O ports

– 51/80 I/Os, all mappable on 16 external

interrupt vectors and almost all 5 V-tolerant

■ CRC calculation unit, 96-bit unique ID

■ Up to 10 timers with pinout remap capability

– Up to four 16-bit timers, each with up to 4

IC/OC/PWM or pulse counter and

quadrature (incremental) encoder input

– 1 × 16-bit motor control PWM timer with

dead-time generation and emergency stop

– 2 × watchdog timers (Independent and

Window)

– SysTick timer: a 24-bit downcounter

– 2 × 16-bit basic timers to drive the DAC

■ Up to 14 communication interfaces with pinout

remap capability

– Up to 2 × I

C interfaces (SMBus/PMBus)

– Up to 5 USARTs (ISO 7816 interface, LIN,

IrDA capability, modem control)

– Up to 3 SPIs (18 Mbit/s), 2 with a

multiplexed I

S interface that offers audio

class accuracy via advanced PLL schemes

– 2 × CAN interfaces (2.0B Active) with

512 bytes of dedicated SRAM

– USB 2.0 full-speed device/host/OTG

controller with on-chip PHY that supports

HNP/SRP/ID with 1.25 Kbytes of dedicated

SRAM

– 10/100 Ethernet MAC with dedicated DMA

and SRAM (4 Kbytes): IEEE1588 hardware

support, MII/RMII available on all packages

Table 1. Device summary

Reference Part number

STM32F105xx

STM32F105R8, STM32F105V8

STM32F105RB, STM32F105VB

STM32F105RC, STM32F105VC

STM32F107xx

STM32F107RB, STM32F107VB

STM32F107RC, STM32F107VC

LQFP100 14 × 14 mm

LQFP64 10 × 10 mm

www.st.com

Contents STM32F105xx, STM32F107xx

2/95 Doc ID 15274 Rev 4

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.2 Full compatibility throughout the family . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.3 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3.1 ARM® Cortex™-M3 core with embedded Flash and SRAM . . . . . . . . . 13

2.3.2 Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.3.3 CRC (cyclic redundancy check) calculation unit . . . . . . . . . . . . . . . . . . 13

2.3.4 Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.3.5 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 13

2.3.6 External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.7 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.8 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.3.9 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.3.10 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.3.11 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.3.12 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.3.13 DMA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.3.14 RTC (real-time clock) and backup registers . . . . . . . . . . . . . . . . . . . . . . 16

2.3.15 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.3.16 I²C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.3.17 Universal synchronous/asynchronous receiver transmitters (USARTs) 18

2.3.18 Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.3.19 Inter-integrated sound (I

S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.3.20 Ethernet MAC interface with dedicated DMA and IEEE 1588 support . 19

2.3.21 Controller area network (CAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.3.22 Universal serial bus on-the-go full-speed (USB OTG FS) . . . . . . . . . . . 20

2.3.23 GPIOs (general-purpose inputs/outputs) . . . . . . . . . . . . . . . . . . . . . . . . 20

2.3.24 Remap capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.3.25 ADCs (analog-to-digital converters) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.3.26 DAC (digital-to-analog converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.3.27 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.3.28 Serial wire JTAG debug port (SWJ-DP) . . . . . . . . . . . . . . . . . . . . . . . . . 22

STM32F105xx, STM32F107xx Contents

Doc ID 15274 Rev 4 3/95

2.3.29 Embedded Trace Macrocell™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3 Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4 Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.1 Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.1.1 Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.1.2 Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.1.3 Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.1.4 Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.1.5 Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.1.6 Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.1.7 Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

5.3 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.3.1 General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

5.3.2 Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 35

5.3.3 Embedded reset and power control block characteristics . . . . . . . . . . . 35

5.3.4 Embedded reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

5.3.5 Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

5.3.6 External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

5.3.7 Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

5.3.8 PLL, PLL2 and PLL3 characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

5.3.9 Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

5.3.10 EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

5.3.11 Absolute maximum ratings (electrical sensitivity) . . . . . . . . . . . . . . . . . 52

5.3.12 I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

5.3.13 NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

5.3.14 TIM timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

5.3.15 Communications interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

5.3.16 12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

5.3.17 DAC electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

5.3.18 Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

6 Package characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

STM32F105xx, STM32F107xx List of tables

Doc ID 15274 Rev 4 5/95

List of tables

Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table 2. STM32F105xx and STM32F107xx features and peripheral counts . . . . . . . . . . . . . . . . . . 10

Table 3. STM32F105xx and STM32F107xx family versus STM32F103xx family . . . . . . . . . . . . . . 11

Table 4. Timer feature comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 5. Pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 6. Voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 7. Current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 8. Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Table 9. General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Table 10. Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Table 11. Embedded reset and power control block characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . 35

Table 12. Embedded internal reference voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Table 13. Maximum current consumption in Run mode, code with data processing

running from Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Table 14. Maximum current consumption in Run mode, code with data processing

running from RAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Table 15. Maximum current consumption in Sleep mode, code running from Flash or RAM. . . . . . . 38

Table 16. Typical and maximum current consumptions in Stop and Standby modes . . . . . . . . . . . . 38

Table 17. Typical current consumption in Run mode, code with data processing

running from Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Table 18. Typical current consumption in Sleep mode, code running from Flash or

RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Table 19. Peripheral current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 20. High-speed external user clock characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Table 21. Low-speed external user clock characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Table 22. HSE 3-25 MHz oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Table 23. LSE oscillator characteristics (f

LSE

= 32.768 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Table 24. HSI oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Table 25. LSI oscillator characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Table 26. Low-power mode wakeup timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 27. PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 28. PLL2 and PLL3 characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 29. Flash memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Table 30. Flash memory endurance and data retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Table 31. EMS characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Table 32. EMI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Table 33. ESD absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Table 34. Electrical sensitivities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Table 35. I/O static characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Table 36. Output voltage characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Table 37. I/O AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Table 38. NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Table 39. TIMx characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Table 40. I

C characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Table 41. SCL frequency (f

PCLK1

= 36 MHz.,V

= 3.3 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Table 42. SPI characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Table 43. I

S characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Table 44. USB OTG FS startup time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

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