This is information on a product in full production.
October 2018 DS9118 Rev 14 1/149
STM32F303xB STM32F303xC
Arm
®
-based Cortex
®
-M4 32b MCU+FPU, up to 256KB Flash+
48KB SRAM, 4 ADCs, 2 DAC ch., 7 comp, 4 PGA, timers, 2.0-3.6 V
Datasheet - production data
Features
• Core: Arm
®
Cortex
®
-M4 32-bit CPU with FPU
(72 MHz max), single-cycle multiplication and
HW division,
90 DMIPS (from CCM), DSP
instruction and MPU (memory protection unit)
• Operating conditions:
–V
DD
, V
DDA
voltage range: 2.0 V to 3.6 V
• Memories
– 128 to 256 Kbytes of Flash memory
– Up to 40 Kbytes of SRAM, with HW parity
check implemented on the first 16 Kbytes.
– Routine booster: 8 Kbytes of SRAM on
instruction and data bus, with HW parity
check (CCM)
• CRC calculation unit
• Reset and supply management
– Power-on/power-down reset (POR/PDR)
– Programmable voltage detector (PVD)
– Low-power modes: Sleep, Stop and
Standby
–V
BAT
supply for RTC and backup registers
• Clock management
–4
to 32 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– Internal 8 MHz RC with x 16 PLL option
–
Internal 40 kHz oscillator
• Up to 87 fast I/Os
– All mappable on external interrupt vectors
– Several 5 V-tolerant
• Interconnect matrix
• 12-channel DMA controller
•
Four ADCs 0.20 µS (up to 39 channels) with
selectable resolution of 12/10/8/6 bits, 0 to
3.6 V conversion range, single
ended/differential input, separate analog
supply from 2 to 3.6 V
•
Two 12-bit DAC channels with analog supply
from 2.4 to 3.6 V
•
Seven fast rail-to-rail analog comparators with
analog supply from 2 to 3.6 V
•
Four operational amplifiers that can be used in
PGA mode, all terminals accessible with
analog supply from 2.4 to 3.6 V
•
Up to 24 capacitive sensing channels supporting
touchkey, linear and rotary touch sensor
s
• Up to
13 timers
– One 32-bit timer and two 16-bit timers with
up to 4 IC/OC/PWM or pulse counter and
quadrature (incremental) encoder input
–
Two 16-bit 6-channel advanced-control
timer
s, with up to 6 PWM channels,
deadtime generation and emergency stop
– One 16-bit timer with 2 IC/OCs, 1
OCN/PWM, deadtime generation and
emergency stop
– Two 16-bit timers with IC/OC/OCN/PWM,
deadtime generation and emergency stop
– Two watchdog timers (independent,
window)
– SysTick timer: 24-bit downcounter
–
Two 16-bit basic timers to drive the DAC
• Calendar RTC with Alarm, periodic wakeup
from Stop/Standby
• Communication interfaces
– CAN interface (2.0B Active)
–Two I
2
C Fast mode plus (1 Mbit/s) with
20 mA current sink, SMBus/PMBus,
wakeup from STOP
LQFP64 (10 × 10 mm)
LQFP100 (14 × 14 mm)
LQFP48 (7 × 7 mm)
WLCSP100 (0.4 mm pitch)
www.st.com
STM32F303xB STM32F303xC
2/149 DS9118 Rev 14
– Up to five USART/UARTs (ISO 7816
interface, LIN, IrDA, modem control)
– Up to three SPIs, two with multiplexed
half/full duplex I2S interface, 4 to 16
programmable bit frames
– USB 2.0 full speed interface
–
Infrared transmitter
• Serial wire debug, Cortex
®
-M4 with FPU ETM,
JTAG
• 96-bit unique ID
Table 1. Device summary
Reference Part number
STM32F303xB STM32F303CB, STM32F303RB, STM32F303VB
STM32F303xC STM32F303CC, STM32F303RC, STM32F303VC
