STM32F105RBT6 STMicroelectronics, STM32F105RBT6 Datasheet - Page 91

• Manufacturer Part Number: STM32F105RBT6
• Description: MCU ARM 128KB FLASH MEM 64-LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F105RBT6

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 72MHz
• Connectivity: CAN, Ethernet, I²C, IrDA, LIN, SPI, UART/USART, USB OTG
• Peripherals: DMA, POR, PWM, Voltage Detect, WDT
• Number Of I /o: 51
• 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: 64-LQFP
• Processor Series: STM32F105x
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: CAN, I2C, SPI, USART
• Maximum Clock Frequency: 72 MHz
• Number Of Programmable I/os: 51
• Number Of Timers: 10
• Operating Supply Voltage: 2 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWARM, EWARM-BL, MDK-ARM, RL-ARM, ULINK2
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit x 2, 16 Channel
• On-chip Dac: 12 bit x 2, 2 Channel
• For Use With: 497-10591 - DAUGHTER BOARD FOR STM32497-9040 - DEV KIT FOR STM32497-9041 - DEV KIT FOR STM32497-9042 - DEV KIT FOR STM32497-9043 - DEV KIT FOR STM32497-8924 - EVAL BOARD FOR STM32F107VCT497-8853 - BOARD DEMO STM32 UNIV USB-UUSCI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-8920

STM32F105xx, STM32F107xx
Figure 50. RMII with a 50 MHz oscillator
1. HCLK must be greater than 25 MHz.
Figure 51. RMII with a 25 MHz crystal and PHY with PLL
1. HCLK must be greater than 25 MHz.
25 MHz
50 MHz
XTAL
OSC
HCLK
MCU
TIM2
HCLK
MCU
TIM2
OSC
2.5 or 25 MHz
2.5 or 25 MHz
(1)
(1)
Timer
input
trigger
Timer
input
trigger
Timestamp
IEEE1588 PTP
comparator
Timestamp
Ethernet
MAC 10/100
IEEE1588 PTP
comparator
STM32F107xx
Ethernet
MAC 10/100
STM32F107xx
PLL
PLL
synchronous
synchronous
/2 or /20
Doc ID 15274 Rev 5
/2 or /20
HCLK
HCLK
50 MHz
50 MHz
RMII_TX_EN
RMII_TXD[1:0]
RMII_RXD[1:0]
RMII_CRX_DV
RMII_REF_CLK
PHY_CLK 25 MHz
RMII_TX_EN
RMII_TXD[1:0]
RMII_RXD[1:0]
RMII_CRX_DV
RMII_REF_CLK
PHY_CLK
MDIO
MDC
MDIO
MDC
50 MHz
Application block diagrams
XT1
REF_CLK
XT1
= 7 pins
RMII
= 7 pins
RMII
PHY 10/100
PHY 10/100
PLL
Ethernet
Ethernet
50 MHz
RMII + MDC
= 9 pins
RMII + MDC
= 9 pins
ai15658
ai15657
91/101