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
POR
Reset
Supply
supervision
Dbus
Fmax: 72 MHz
as AF
NRST
SRAM
@V
DDA
V
Int
DDA
64 KB
System
POR / PDR
PVD
RC HS
RC LS
PLL3
V
SSA
NVIC
@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
MDIO
@V
BAT
OSC32_IN
OSC32_OUT
XTAL 32kHz
DMA Ethernet
PPS_OUT
Backup
register
RTC
AWU
TAMPER-RTC/
ALARM/SECOND OUT
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
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
RX,TX, CTS, RTS,
CK as AF
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
BKIN, ETR input as AF
MOSI/SD, MISO, MCK,
SCK/CK, NSS/WS as AF
TIM1
SPI3 / I2S3
2x(8x16b it)
I2C1
SCL,SDA,SMBA
as AF
I2C2(1)
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 60) or –40 °C to +105 °C (suffix 7, see Table 60), junction temperature up to
105 °C or 125 °C, respectively.
2. AF = alternate function on I/O port pin.
12/95
Doc ID 15274 Rev 4
STMICROELECTRONICS [ ST ]
