STM32F105VBH6 STMicroelectronics, STM32F105VBH6 Datasheet - Page 94

• Manufacturer Part Number: STM32F105VBH6
• Description: IC ARM CORTEX MCU 128KB 100LFBGA
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F105VBH6

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 72MHz
• Connectivity: CAN, I²C, IrDA, LIN, SPI, UART/USART, USB OTG
• Peripherals: DMA, POR, PWM, Voltage Detect, WDT
• Number Of I /o: 80
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 16x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LFBGA
• Core: ARM Cortex M3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Application block diagrams
A.4
94/101
USB OTG FS interface + Ethernet/I
With the clock tree implemented on the STM32F107xx, only one crystal is required to work
with both the USB (host/device/OTG) and the Ethernet (MII/RMII) interfaces.
illustrate the solution.
Figure 55. USB OTG FS + Ethernet solution
With the clock tree implemented on the STM32F107xx, only one crystal is required to work
with both the USB (host/device/OTG) and the I
solution.
Figure 56. USB OTG FS + I
25 MHz
Ethernet
XTAL
14.7456 MHz
PHY
Ethernet
PHY
XTAL
MCO
MCO
Div
by 4
Sel
Div
by 5
2
Doc ID 15274 Rev 5
S (Audio) solution
PLL2MUL
PLL3MUL
Sel
x20
PLL2MUL
PLL3MUL
x8
Sel
Up to 50 MHz
x10
x8
Div
by 4
STM32F105 /STM32F107MCU
PLL3VCO
(2 xPLL3CLK
Div
by 5
Up to 147.456 MHz
STM32F107 MCU
PLLMUL
2
x6.5
S (Audio) interfaces.
PLLMUL
x9
2
S interface solutions
Up to 71.88 MHz
PLLVCO
(2 xPLLCLK
Up to 72 MHz
PLLVCO
(2 xPLLCLK
Div
by 3
STM32F105xx, STM32F107xx
Div
by 3
47.9232 MHz
0.16% accuracy
Less than 0.5% accuracy
on MCLK and SCLK
OTG
I2S
Figure 56
48 MHz
SYSCLK
OTG
I2S
SYSCLK
Figure 55
2% accuracy
illustrate the
USB
PHY
USB
PHY
MCLK
SCLK