Description
Figure 1.
STM32F103xC, STM32F103xD, STM32F103xE
STM32F103xC, STM32F103xD and STM32F103xE performance line block diagram
TRACECLK
TRACED[0:3]
as
AS
NJTRST
JTDI
JTCK/SWCLK
JTMS/SWDIO
JTDO
as
AF
TPIU
SW/JTAG
Trace/trig
Pbus
Ibus
Cortex-M3 CPU
Fmax: 48/72 MHz
Dbus
System
NVIC
Bus Matrix
POR
Reset
Int
Trace
controller
Flash obl
interface
Flash 512 Kbytes
64
bit
VDD
@VDD
Power
Volt. reg.
3.3
V to 1.8 V
@VDDA
Supply
supervision
POR /PDR
PVD
@VDD
XTAL OSC
4-16 MHz
IWDG
Standby
interface
@VBAT
XTAL
32kHz
RTC Backup
reg
AWU
Backup interface
AHB2
APB1
TIM2
TIM3
APB1: Fmax = 24/36 MHz
TIM4
TIM5
USART2
USART3
UART4
UART5
SPI2
/ I2S2
2x(8x16b
it)
SPI3
/
2x(8x16b I2S3
it)
I2C1
SRAM
512 B
WWDG
I2C2
bxCAN
device
USB 2.0 FS
device
TIM6
USBDP/CAN_TX
USBDM/CAN_RX
VBAT =1.8 V to
3.6
V
OSC32_IN
OSC32_OUT
TAMPER-RTC/
ALARM/SECOND OUT
V
SS
SRAM
64 KB
@V
DDA
RC
8
MHz
RC 40 kHz
PLL
PCLK1
PCLK2
HCLK
FCLK
NRST
VDDA
V
SSA
GP DMA2
5 channels
AHB: Fmax = 48/72 MHz
A[25:0]
D[15:0]
CLK
NOE
NWE
NE[4:1]
NBL[1:0]
NWAIT
NL (or NADV)
as
AF
D[7:0]
CMD
CK
as
AF
GP DMA1
7 channels
OSC_IN
OSC_OUT
FSMC
Reset &
Clock
control
SDIO
AHB2
APB2
EXT.IT
WKUP
GPIO port A
GPIO port B
GPIO port C
GPIO port D
GPIO port E
GPIO port F
GPIO port G
TIM1
TIM8
SPI1
USART1
Temp.
sensor
APB2: Fmax = 48/72 MHz
4 channels, ETR
as
AF
4 channels, ETR
as
AF
4 channels, ETR
as
AF
4 channels
as
AF
RX, TX CTS, RTS,
,
CK
as
AF
RX, TX, CTS, RTS,
CK
as
AF
RX,TX
as
AF
RX,TX
as
AF
MOSI/SD, MISO
SCK/CK,
MCK, NSS/WS
as
AF
MOSI/SD, MISO
SCK/CK,
MCK, NSS/WS
as
AF
SCL, SDA, SMBA as
AF
SCL, SDA, SMBA as
AF
112AF
PA[15:0]
PB[15:0]
PC[15:0]
PD[15:0]
PE[15:0]
PF[15:0]
PG[15:0]
4 channels
3
compl. channels
BKIN, ETR
as
AF
4 channels
3
compl. channels
BKIN, ETR
as
AF
MOSI, MISO,
SCK,
NSS
as
AF
RX, TX, CTS,
RTS, CK
as
AF
8
ADC123_INs
common to the
3
ADCs
8
ADC12_INs common
to ADC1 & ADC2
5 ADC3_INs on ADC3
V
REF–
V
REF+
12-bit ADC1 IF
12-bit ADC2 IF
12-bit ADC3 IF
@ VDDA
TIM7
IF 12bit DAC1
IF
12bit DAC 2
DAC_OUT1
as
AF
DAC_OUT2
as
AF
@VDDA
ai14666f
1. T
A
= –40 °C to +85 °C (suffix 6, see
or –40 °C to +105 °C (suffix 7, see
junction temperature up to
105 °C or 125 °C, respectively.
2. AF = alternate function on I/O port pin.
12/130
Doc ID 14611 Rev 8
STMICROELECTRONICS [ STMICROELECTRONICS ]
