This is information on a product in full production.
June 2015 DocID15060 Rev 7 1/99
STM32F103x4
STM32F103x6
Low-density performance line, ARM-based 32-bit MCU with 16 or
32 KB Flash, USB, CAN, 6 timers, 2 ADCs, 6 com. interfaces
Datasheet − production data
Features
• ARM 32-bit Cortex™-M3 CPU Core
– 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
– 16 or 32 Kbytes of Flash memory
– 6 or 10 Kbytes of SRAM
• Clock, reset and supply management
– 2.0 to 3.6 V application supply and I/Os
– POR, PDR, and programmable voltage
detector (PVD)
– 4-to-16 MHz crystal oscillator
– Internal 8 MHz factory-trimmed RC
– Internal 40 kHz RC
– PLL for CPU clock
– 32 kHz oscillator for RTC with calibration
• Low power
– Sleep, Stop and Standby modes
–V
BAT
supply for RTC and backup registers
• 2 x 12-bit, 1 µs A/D converters (up to 16
channels)
– Conversion range: 0 to 3.6 V
– Dual-sample and hold capability
– Temperature sensor
• DMA
– 7-channel DMA controller
– Peripherals supported: timers, ADC, SPIs,
I
2
Cs and USARTs
• Up to 51 fast I/O ports
– 26/37/51 I/Os, all mappable on 16 external
interrupt vectors and almost all 5 V-tolerant
• Debug mode
– Serial wire debug (SWD) & JTAG
interfaces
• 6 timers
– Two 16-bit timers, each with up to 4
IC/OC/PWM or pulse counter and
quadrature (inc remental) encoder input
– 16-bit, motor control PWM timer with dead-
time generation and emergency stop
– 2 watchdog timers (Independent and
Window)
– SysTick timer 24-bit downcounter
• 6 communication interfaces
– 1 x I
2
C interface (SMBus/PMBus)
– 2 × USARTs (ISO 7816 interface, LIN, IrDA
capability, modem control)
– 1 × SPI (18 Mbit/s)
– CAN interface (2.0B Active)
– USB 2.0 full-speed interface
• CRC calculation unit, 96-bit unique ID
• Packages are ECOPACK
®
•
Table 1. Device summary
Reference Part number
STM32F103x4
STM32F103C4, ST M32F103R4,
STM32F103T4
STM32F103x6
STM32F103C6, ST M32F103R6,
STM32F103T6
)%*$
LQFP64 (10 × 10 mm)
LQFP48 (7 × 7mm)
VFQFPN36 (6 × 6 mm)
UFQFPN48 (7 × 7 mm)
TFBGA64 (5 × 5 mm)
www.st.com
Contents STM32F103x4, STM32F103x6
2/10 DocID15060 Rev 7
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2.2 Full compatibility throughout the family . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.3 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3.1 ARM
®
Cortex™-M3 core with embedded Flash and SRAM . . . . . . . . . 15
2.3.2 Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3.3 CRC (cyclic redundancy check) calculation unit . . . . . . . . . . . . . . . . . . 15
2.3.4 Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3.5 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 15
2.3.6 External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.7 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.8 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.9 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.10 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.11 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.3.12 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.3.13 DMA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.14 RTC (real-time c lock ) an d ba ckup registers . . . . . . . . . . . . . . . . . . . . . . 18
2.3.15 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.16 I²C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.3.17 Universal synchronous/asynchronous receiver transmitter (USART) . . 20
2.3.18 Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.3.19 Controller area network (CAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.3.20 Universal serial bus (USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.3.21 GPIOs (general-purpose inputs/outputs) . . . . . . . . . . . . . . . . . . . . . . . . 21
2.3.22 ADC (analog-to-digital converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.3.23 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.3.24 Serial wire JTAG debug port (SWJ-DP) . . . . . . . . . . . . . . . . . . . . . . . . . 21
3 Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4 Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
