Datasheet

DocID15274 Rev 10 13/108
STM32F105xx, STM32F107xx Description
107
2.3 Overview
Figure 1. STM32F105xx and STM32F107xx connectivity line block diagram
1. T
A
= –40 °C to +85 °C (suffix 6, see Table 62) or –40 °C to +105 °C (suffix 7, see Table 62), junction temperature up to
105 °C or 125 °C, respectively.
2. AF = alternate function on I/O port pin.
PA[ 15:0]
EXT.IT
WWDG
12bit ADC1
16 ADC12_INs
common to
ADC1 & ADC2
JTDI
JTCK/SWCLK
JTMS/SWDIO
NJTRST
JTDO
NRST
V
DD
= 2 to 3.6 V
80 AF
PB[ 15:0]
PC[15:0]
AHB to
APB2
CAN1_RX as AF
2x(8x16b it)
WKUP
GPIO port AP
GPIO port BP
F
max
: 72 MHz
V
SS
SCL,SDA,SMBA
I2C2
GP DMA1
TIM2
TIM3
XT AL osc
3-25 MHz
XTAL 32kHz
OSC_IN
OSC_OUTC_O
OSC32_OUT
OSC32_IN
APB1 : F
max
= 36 MHz
HCLK
as AF
Flash 256 KB
Voltage reg.
3.3 V to 1.8 V
V
DD18
Power
Backup interface
as AF
TIM4
Bus Matri x
64 bit
Interface
RTC
RC HS
Cortex-M3 CPU
Ibus
Dbus
obl
Flashl
SRAM 512B
USART1
USART2
SPI2 / I2S2
(1)
bxCAN1
7 channels
Backup
register
4 Channels
TIM1
4 compl. Channels
SCL,SDA,SMBA
I2C1
as AF
RX,TX, CTS, RTS,
USART3
Temp sensor
PD[15:0]
PE[15:0]
BKIN, ETR input as AF
4 Channels , ETR
4 Channels , ETR
4 Channels , ETR
FCLK
RC LS
Standby
IWDG
@V
DD
@V
BAT
POR / PDR
Supply
supervision
@V
DDA
V
DDA
V
SSA
@VDDA
V
BAT
=1.8 V to 3.6 V
CK as AF
RX,TX, CTS, RTS,
CK as AF
RX,TX, CTS, RTS,
CK as AF
APB2 : F
max
= 72 MHz
NVIC
SPI1
MOSI,MISO,
SCK,NSS as AF
12bit ADC2
IF
IF
interface
PVD
Reset
Int
@V
DD
AHB to
APB1
AWU
POR
TAMPER-RTC/
ALARM/SECOND OUT
System
2x(8x16b it)
SPI3 / I2S3
UART4
RX,TX as AF
UART5
RX,TX as AF
TIM5
4 Channel s, ETR
Reset &
clock
control
12bit DAC1
IFIF
IF
12bit DAC 2
@VDDA
USB OTG FS
SOF
VBUS
ID
DM
DP
SRAM
64 KB
GP DMA2
5 channels
TIM6
TIM7
CAN1_TX as AF
SW/JTAG
TPIU
ETM
Trace/Trig
TRACECLK
TRACED[0:3]
as AF
as AF
as AF
as AF
as AF
Ethernet MAC
10/100
SRAM 1.25 KB
DPRAM 2 KB DPRAM 2 KB
MII_TXD[3:0]/RMII_TXD[1:0]
MII_TX_CLK/RMII_TX_CLK
MII_TX_EN/RMII_TX_EN
MII_RXD[3:0]/RMII_RXD[1:0]
MII_RX_ER/RMII_RX_ER
MII_RX_CLK/RMII_REF_CLK
MII_RX_DV/RMII_CRS_DV
MII_CRS
MII_COL/RMII_COL
MDC
MDIO
PPS_OUT
bxCAN2
CAN2_RX as AF
CAN2_TX as AF
ai15411
DAC_OUT1 as AF
DAC_OUT2 as AF
@V
DDA
PLL
GPIO port C
GPIO port D
GPIO port E
V
REF+
V
REF–
MOSI/SD, MISO, MCK,
SCK/CK, NSS/WS as AF
MOSI/SD, MISO, MCK,
SCK/CK, NSS/WS as AF
PCLK1
PCLK2
PLL2
PLL3
PLL3
DMA Ethernet
AHB
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