STM32F303VB Просмотр технического описания (PDF) - STMicroelectronics

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STM32F303VB

ARM Cortex-M4F 32b MCU+FPU, up to 256KB Flash+48KB SRAM 4 ADCs, 2 DAC ch., 7 comp, 4 PGA, timers, 2.0-3.6 V operation

STMicroelectronics 

STM32F302xx/STM32F303xx

Description

Figure 1. STM32F302xB/STM32F302xC block diagram

TRADECLK

TRACED[0-3]

as AF

JTRST

JTDI

JTCK/SWCLK

JTMS/SWDIO

JTDO

As AF

VREF+

VREF-

TPIU

ETM

SWJTAG Trace/Trig

MPU/FPU

Cortex M4 CPU

Fmax: 72 MHz

Ibus

Dbus

NVIC

System

GP DMA1

7 channels

GP DMA2

5 channels

Temp. sensor

12-bit ADC1

IF

12-bit ADC2

PA[15:0]

PB[15:0]

PC[15:0]

PD[15:0]

PE[15:0]

PF[7:0]

GPIO PORT A

GPIO PORT B

GPIO PORT C

GPIO PORT D

GPIO PORT E

GPIO PORT F

XX Groups of

4 channels as AF

Touch Sensing

Controller

XX AF

2 Channels,1 Comp

Channel, BRK as 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

MOSI, MISO,

SCK,NSS as AF

RX, TX, CTS, RTS,

SmartCard as AF

EXT.IT

WKUP

TIMER 15

TIMER 16

TIMER 17

TIMER 1 / PWM

SPI1

USART1

FLASH 256 KB

64 bits

CCM RAM

8KB

SRAM

40 KB

@VDDA

VDD18

POR

Reset

Int.

Power

Voltage reg.

3.3 V to 1.8V

@VDDIO

Supply

Supervision

POR /PDR

PVD

@VDDA

RC HS 8MHz

RC LS

PLL

@VDDIO

XTAL OSC

4 -32 MHz

Reset &

clock

control

AHBPCLK

APBP1CLK

APBP2CLK

HCLK

FCLK

USARTCLK

I2CCLK

ADC SAR

1/2/3/4 CLK

Ind. WDG32K

Standby

interface

@VSW

XTAL 32kHz

Backup

RTC Reg

AWU (64Byte)

Backup

interface

CRC

TIMER2

(32-bit/PWM)

TIMER 3

TIMER 4

AHB2

APB2

AHB2

APB1

WinWATCHDOG

USB SRAM 512B

TIMER6

SYSCFG CTL

@VDDA

GP Comparator 6

GP Comparator 4

GP Comparator 2

GP Comparator 1

SPI2

SPI3

USART2

USART3

UART4

UART5

I2C1

I2C2

bx CAN &

512B SRAM

USB 2.0 FS

IF 12bit DAC1

@VDDA

OpAmp1

OpAmp2

@VDDA

VDDIO = 2 to 3.6 V

VSS

NRESET

VDDA

VSSA

OSC_IN

OSC_OUT

VBAT = 1.65V to 3.6V

OSC32_IN

OSC32_OUT

ANTI-TAMP

4 Channels, ETR as AF

4 Channels, ETR as AF

4 Channels, ETR as AF

MOSI, MISO,

SCK, NSS as AF

MOSI, MISO,

SCK, NSS as AF

RX, TX, CTS, RTS, as AF

RX, TX, CTS, RTS, as AF

RX, TX as AF

RX, TX as AF

SCL, SDA, SMBA as AF

SCL, SDA, SMBA as AF

CAN TX, CAN RX

USB_DP, USB_DM

DAC1_CH1 as AF

INxx / OUTxx

INxx / OUTxx

1. AF: alternate function on I/O pins.

Xx Ins, 4 OUTs as AF

MS18959V5

Doc ID 023353 Rev 5

11/133

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