CD00161566 Datasheet, PDF (11/105 Pages) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

STM32F103x8, STM32F103xB
Description
Figure 1. STM32F103xx performance line block diagram
TRACECLK
TRACED[0:3]
as AS
NJTRST
JTDI
JTCK/SWCLK
JTMS/SWDIO
JTDO
as AF
NRST
VDDA
VSSA
80AF
PA[ 15:0]
PB[ 15:0]
PC[15:0]
PD[15:0]
PE[15:0]
4 Chann els
3 co mpl. Chann els
ETR and BKIN
MOSI,MISO,
SCK,NSS as AF
RX,TX, CTS, RTS,
Smart Card as AF
16AF
V_REF+
V_REF-
TPIU
Trace/trig
SW/JTAG
Cortex-M3 CPU
F_max : 7 2M Hz
pbu s
Trace
Controlle r
Ibu s
Dbus
Flash 128 KB
64 bit
POWER
VOLT. REG.
3.3V TO 1.8V
@VDD
NVIC
Syst em
GP DMA
7 ch annels
@VDDA
SUPPLY
SUPERVISION
POR / PDR
Rst
PVD
Int
EXTI
WAKEUP
GPIOA
GPIOB
GPIOC
GPIOD
GPIOE
AHB2
APB2
SRAM
20 KB
@VDD
PCLK1
PCLK2
HCLK
FCLK
PLL &
CLOCK
MANAGT
XTAL OSC
4-16 MHz
RC 8 MHz
RC 40 kHz
@VDDA
@VBAT
IWDG
Stand by
in terface
AHB2
APB 1
XTAL 32 kHz
RTC
AWU
Back up
reg
Backu p i nterf ace
TIM2
TIM3
TIM 4
USART2
USART3
TIM1
SPI1
USART1
@VDDA
12bit ADC1 IF
12bi t ADC2 IF
Temp sensor
2x(8x16bit)^SPI2
I2C1
I2C2
bx CAN
USB 2.0 FS
SRAM 512B
WWDG
1. T_A = –40 °C to +105 °C (junction temperature up to 125 °C).
2. AF = alternate function on I/O port pin.
V_DD = 2 to 3.6V
V_SS
OSC_IN
OSC_OUT
V_BAT
OSC32_IN
OSC32_OUT
TAMPER-RTC
4 Chann els
4 Chann els
4 Chann els
RX,TX, CTS, RTS,
CK, SmartCard as AF
RX,TX, CTS, RTS,
CK, SmartCard as AF
MOSI,MISO,SCK,NSS
as AF
SCL,SDA,SMBA
as AF
SCL,SDA
as AF
USBDP/CAN_TX
USBDM/CAN_RX
ai14390d
DocID13587 Rev 16
11/105
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