STM32F103x8, STM32F103xB
Figure 1. STM32F103xx performance line block diagram
Description
TRACECLK
TRACED[0:3]
as AS
Trace
Controlle r
TPIU
pbu s
POWER
Trace/trig
SW/JTAG
V
= 2 to 3.6V
NJTRST
JTDI
JTCK/SWCLK
DD
VOLT. REG.
3.3V TO 1.8V
VSS
Ibus
Cortex-M3 CPU
Flash 128 KB
64 bit
JTMS/SWDIO
@VDD
JTDO
as AF
Fmax: 7 2M Hz
Dbus
SRAM
20 KB
Syst em
NVIC
@VDD
OSC_IN
OSC_OUT
PCLK1
PCLK2
HCLK
FCLK
PLL &
XTAL OSC
4-16 MHz
GP DMA
CLOCK
7 channels
MANAGT
RC 8 MHz
RC 40 kHz
@VDDA
IWDG
@VDDA
Stand by
interface
SUPPLY
SUPERVISION
VBAT
NRST
@VBAT
VDDA
VSSA
Rst
POR / PDR
OSC32_IN
OSC32_OUT
XTAL 32 kHz
Backup
AHB2
APB2
AHB2
APB1
Int
PVD
RTC
AWU
TAMPER-RTC
reg
EXTI
WAKEUP
80AF
Backu p interface
PA[15:0]
PB[15:0]
PC[15:0]
PD[15:0]
PE[15:0]
GPIOA
GPIOB
GPIOC
GPIOD
GPIOE
4 Channels
4 Channels
TIM2
TIM3
TIM 4
4 Channels
RX,TX, CTS, RTS,
CK, SmartCard as AF
USART2
USART3
RX,TX, CTS, RTS,
CK, SmartCard as AF
MOSI,MISO,SCK,NSS
as AF
SPI2
2x(8x16bit)
4 Channels
3 compl. Channels
ETR and BKIN
TIM1
SPI1
I2C1
I2C2
SCL,SDA,SMBA
as AF
MOSI,MISO,
SCK,NSS as AF
SCL,SDA
as AF
RX,TX, CTS, RTS,
Smart Card as AF
USART1
bxCAN
USBDP/CAN_TX
USBDM/CAN_RX
@VDDA
USB 2.0 FS
16AF
12bit ADC1
12bit ADC2
IF
IF
VREF+
SRAM 512B
VREF-
W W D G
Temp sensor
ai14390d
1. TA = –40 °C to +105 °C (junction temperature up to 125 °C).
2. AF = alternate function on I/O port pin.
Doc ID 13587 Rev 11
19/92
STMICROELECTRONICS [ ST ]
