July 2018 DS5792 Rev 13 1/143
STM32F103xC, STM32F103xD,
STM32F103xE
High-density performance line Arm
®
-based 32-bit MCU with 256 to 512KB
Flash, USB, CAN, 11 timers, 3 ADCs, 13 communication interfaces
Datasheet − production data
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
– 256 to 512 Kbytes of Flash memory
– up to 64 Kbytes of SRAM
– Flexible static memory controller with 4 Chip
Select. Supports Compact Flash,
SRAM,
PSRAM, NOR and NAND
memories
– LCD parallel interface, 8080/6800 modes
• 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 with calibration
– 32 kHz oscillator for RTC with calibration
• Low power
– Sleep, Stop and Standby modes
–V
BAT
supply for RTC and backup registers
• 3 × 12-bit, 1 µs A/D converters (up to 21
channels)
– Conversion range: 0 to 3.6 V
– Triple-sample and hold capability
– Temperature sensor
• 2 × 12-bit D/A converters
• DMA: 12-channel DMA controller
– Supported peripherals: timers, ADCs, DAC,
SDIO, I
2
Ss, SPIs, I
2
Cs and USARTs
• Debug mode
– Serial wire debug (SWD) & JTAG interfaces
–Cortex
®
-M3 Embedded Trace Macrocell™
• Up to 112 fast I/O ports
– 51/80/112 I/Os, all mappable on 16 external
interrupt vectors and almost all 5 V-tolerant
• Up to 11 timers
– Up to four 16-bit timers, each with up to 4
IC/OC/PWM or pulse counter and quadrature
(incremental) encoder input
– 2 × 16-bit motor control PWM timers 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 13 communication interfaces
– Up to 2 × I
2
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 I
2
S interface
multiplexed
– CAN interface (2.0B Active)
– USB 2.0 full speed interface
– SDIO interface
• CRC calculation unit, 96-bit unique ID
• ECOPACK
®
packages
Table 1.Device summary
Reference Part number
STM32F103xC
STM32F103RC STM32F103VC
STM32F103ZC
STM32F103xD
STM32F103RD STM32F103VD
STM32F103ZD
STM32F103xE
STM32F103RE STM32F103ZE
STM32F103VE
LQFP64 10 × 10 mm,
LQFP100 14 × 14 mm,
LQFP144 20 × 20 mm
LFBGA100 10 × 10 mm
LFBGA144 10 × 10 mm
WLCSP64
www.st.com
Contents STM32F103xC, STM32F103xD, STM32F103xE
2/143 DS5792 Rev 13
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 FSMC (flexible static memory controller) . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3.6 LCD parallel interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.7 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 16
2.3.8 External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.9 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.10 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.3.11 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.3.12 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.3.13 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.3.14 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.15 DMA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.16 RTC (real-time clock) and backup registers . . . . . . . . . . . . . . . . . . . . . . 18
2.3.17 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.3.18 I²C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.3.19 Universal synchronous/asynchronous receiver transmitters (USARTs) 21
2.3.20 Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.3.21 Inter-integrated sound (I
2
S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.3.22 SDIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.23 Controller area network (CAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.24 Universal serial bus (USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.25 GPIOs (general-purpose inputs/outputs) . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.26 ADC (analog to digital converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.27 DAC (digital-to-analog converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.3.28 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
