Datasheet

DS9118 Rev 14 13/149
STM32F303xB STM32F303xC Description
55
Figure 1. STM32F303xB/STM32F303xC block diagram
1. AF: alternate function on I/O pins.
MS18960V4
Touch Sensing
Controller
TIMER 16
2 Channels,1 Comp
Channel, BRK as AF
TIMER 17
TIMER 1 / PWM
TIMER 8 / PWM
4 Channels,
4 Comp channels,
ETR, BRK as AF
SPI1
MOSI, MISO,
SCK,NSS as AF
USART1
RX, TX, CTS, RTS,
SmartCard as AF
WinWATCHDOG
BusMatrix
MPU/FPU
Cortex M4 CPU
F
max
: 72 MHz
NVIC
GP DMA1
7 channels
CCM RAM
8KB
Flash
interface
OBL
FLASH 256 KB
64 bits
JTRST
JTDI
JTCK/SWCLK
JTMS/SWDIO
JTDO
As AF
Power
Voltage reg.
3.3 V to 1.8V
V
DD18
Supply
Supervision
POR /PDR
PVD
POR
Reset
Int.
V
DDIO
= 2 to 3.6 V
V
SS
NRESET
V
DDA
V
SSA
Ind. WDG32K
Standby
interface
PLL
@V
DDIO
@V
DDA
XTAL OSC
4 -32 MHz
Reset &
clock
control
AHBPCLK
APBP1CLK
APBP2CLK
AHB2
APB2
AHB2
APB1
CRC
APB1 F
max
= 36 MHz
APB2 f
max
= 72 MHz
GPIO PORT A
GPIO PORT B
GPIO PORT C
GPIO PORT D
GPIO PORT E
OSC_IN
OSC_OUT
SPI3/I2S
SCL, SDA, SMBA as AF
USART2
SCL, SDA, SMBA as AF
USART3
RC LS
TIMER6
TIMER 4
SPI2/I2S
12bit DAC1IF
@V
DDA
TIMER2
(32-bit/PWM)
PA[15:0]
PB[15:0]
PC[15:0]
MOSI/SD, MISO/ext_SD,
SCK/CK, NSS/WS, MCLK as AF
4 Channels, ETR as AF
USB_DP, USB_DM
DAC1_CH1 as AF
HCLK
FCLK
USARTCLK
RC HS 8MHz
SRAM
40 KB
ETM
Trace/Trig
SWJTAG
TPIU
Ibus
TRADECLK
TRACED[0-3]
as AF
Dbus
System
GP DMA2
5 channels
12-bit ADC1
12-bit ADC2
IF
Temp. sensor
V
REF+
V
REF-
TIMER 15
EXT.IT
WKUP
XX AF
1 Channel, 1 Comp
Channel, BRK as AF
1 Channel, 1 Comp
Channel, BRK as AF
4 Channels,
4 Comp channels,
ETR, BRK as AF
GPIO PORT F
PD[15:0]
PE[15:0]
TIMER7
USB SRAM 512B
PF[7:0]
12-bit ADC3
IF
12-bit ADC4
I2CCLK
ADC SAR
1/2/3/4 CLK
@V
DDIO
@V
DDA
@VSW
XTAL 32kHz
OSC32_IN
OSC32_OUT
V
BAT
= 1.65V to 3.6V
RTC
AWU
Backup
Reg
(64Byte)
Backup
interface
ANTI-TAMP
TIMER 3
UART4
UART5
I2C1
I2C2
bx CAN &
512B SRAM
USB 2.0 FS
DAC1_CH2 as AF
OpAmp1
OpAmp2
OpAmp3
OpAmp4
@V
DDA
INxx / OUTxx
INxx / OUTxx
INxx / OUTxx
INxx / OUTxx
INTERFACE
SYSCFG CTL
GP Comparator 7
p
GP Comparator...
GP Comparator 1
CAN TX, CAN RX
4 Channels, ETR as AF
4 Channels, ETR as AF
MOSI/SD, MISO/ext_SD,
SCK/CK, NSS/WS, MCLK as AF
RX, TX, CTS, RTS, as AF
RX, TX, CTS, RTS, as AF
RX, TX as AF
RX, TX as AF
@V
DDA
Xx Ins, 7 OUTs as AF
XX Groups of
4 channels as AF
AHB2
AHB3
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