Description
STM32F105xx, STM32F107xx
2.3
Overview
Figure 1.
STM32F105xx and STM32F107xx connectivity line block diagram
TRACECLK
TRACED[0:3]
as AF
Power
TPIU
ETM
Trace/Trig
VDD18
V
= 2 to 3.6 V
DD
VSS
SW/JTAG
Voltage reg.
3.3 V to 1.8 V
NJTRST
JTDI
JTCK/SWCLK
JTMS/SWDIO
Ibus
Flash 256 KB
64 bit
Cortex-M3 CPU
@V
DD
JTDO
as AF
POR
Supply
supervision
Dbus
Fmax: 72 MHz
Reset
NRST
SRAM
64 KB
@V
DDA
V
Int
DDA
System
POR / PDR
RC HS
RC LS
PLL3
V
SSA
NVIC
PVD
@V
GP DMA1
DDA
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
@V
DD
PLL2
OSC_IN
OSC_OUT
7 channels
XTAL osc
3-25 MHz
PLL
GP DMA2
IWDG
PCLK1
5 channels
Reset &
clock
control
PCLK2
HCLK
FCLK
PLL3
Standby
interface
V
=1.8 V to 3.6 V
BAT
Ethernet MAC
10/100
MII_COL/RMII_COL
MDC
@V
BAT
OSC32_IN
OSC32_OUT
MDIO
PPS_OUT
XTAL 32kHz
DMA Ethernet
Backup
RTC
AWU
TAMPER-RTC/
ALARM/SECOND OUT
register
SOF
VBUS
ID
DPRAM 2 KB DPRAM 2 KB
Backup interface
USB OTG FS
DM
DP
4 Channels, ETR
as AF
TIM2
AHB to
APB2
AHB to
APB1
4 Channels, ETR
as AF
TIM3
SRAM 1.25 KB
TIM4
4 Channels, ETR
as AF
EXT.IT
WKUP
80 AF
TIM5
4 Channel s, ETR
as AF
RX,TX, CTS, RTS,
CK as AF
PA[15:0]
PB[15:0]
PC[15:0]
PD[15:0]
PE[15:0]
GPIO port A
GPIO port B
GPIO port C
GPIO port D
GPIO port E
USART2
USART3
UART4
RX,TX, CTS, RTS,
CK as AF
RX,TX as AF
RX,TX as AF
UART5
MOSI/SD, MISO, MCK,
SCK/CK, NSS/WS as AF
SPI2 / I2S2(1)
2x(8x16b it)
4 Channels
4 compl. Channels
MOSI/SD, MISO, MCK,
SCK/CK, NSS/WS as AF
TIM1
SPI3 / I2S3
BKIN, ETR input as AF
2x(8x16b it)
I2C1
I2C2
SCL,SDA,SMBA
as AF
MOSI,MISO,
SCK,NSS as AF
SCL,SDA,SMBA
as AF
SPI1
RX,TX, CTS, RTS,
CK as AF
bxCAN1
SRAM 512B
bxCAN2
CAN1_TX as AF
CAN1_RX as AF
WWDG
USART1
Temp sensor
CAN2_TX as AF
CAN2_RX as AF
12bit ADC1
12bit ADC2
IF
IF
16 ADC12_INs
common to
ADC1 & ADC2
12bit DAC1
IF
IF
DAC_OUT1 as AF
DAC_OUT2 as AF
TIM6
TIM7
12bit DAC 2
VREF–
VREF+
@VDDA
@VDDA
ai15411
1. TA = –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.
12/104
Doc ID 15274 Rev 6
STMICROELECTRONICS [ ST ]
