STM32F103x8, STM32F103xB
Figure 1.
TRACECLK
TRACED[0:3]
as
AS
Description
STM32F103xx performance line block diagram
TPIU
SW/JTAG
Trace/trig
pbu
s
Ibus
Trace
Controlle r
flash obl
Inte rfac e
POWER
VOLT. REG.
3.3V
TO 1.8V
@VDD
NJTRST
TRST
JTDI
JTCK/SWCLK
JTMS/SWDIO
JTDO
as
AF
V
DD
= 2 to
3.6V
V
SS
Cortex-M3 CPU
F
max
: 7 2M Hz
Dbus
Flash 128 KB
64
bit
BusM
atrix
NVIC
Syst
em
SRAM
20 KB
PCLK1
PCLK2
HCLK
FCLK
RC
8
MHz
RC 40 kHz
@VDDA
@VBAT
PLL &
CLOCK
MANAGT
@VDD
XTAL OSC
4-16 MHz
OSC_IN
OSC_OUT
GP DMA
AHB:F
max
=48/72 MHz
7 ch
annels
IWDG
Stand by
in terface
@VDDA
SUPPLY
SUPERVISION
POR / PDR
PVD
80AF
PA[ 15:0]
PB[ 15:0]
PC[15:0]
PD[15:0]
PE[15:0]
EXTI
WAKEUP
GPIOA
GPIOB
GPIOC
GPIOD
GPIOE
APB2 : F
max
=48 / 72 MHz
Rst
Int
V
BAT
OSC32_IN
OSC32_OUT
TAMPER-RTC
NRST
VDDA
VSSA
XTAL
32
kHz
AHB2
APB2
AHB2
APB 1
RTC
AWU
Back
up
reg
Backu p i nterf
ace
TIM2
TIM3
APB1 : F
max
=24 /
36
MHz
TIM 4
USART2
USART3
SPI2
2x(8x16bit)
I2C1
I2C2
bx
CAN
USB 2.0 FS
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
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
TIM1
SPI1
USART1
@VDDA
16AF
V
REF+
V
REF-
12bit ADC1 IF
SRAM
512B
12bi t ADC2 IF
WWDG
Temp
sensor
ai14390d
1. T
A
= –40 °C to +105 °C (junction temperature up to 125 °C).
2. AF = alternate function on I/O port pin.
Doc ID 13587 Rev 12
11/96
STMICROELECTRONICS [ STMICROELECTRONICS ]
