STM32F105R8T6 STMicroelectronics, STM32F105R8T6 Datasheet - Page 84

• Manufacturer Part Number: STM32F105R8T6
• Description: MCU ARM 64KB FLASH MEM 64-LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32F105R8T6

• 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: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 20K 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: 20 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
• Cpu Family: STM32
• Device Core: ARM Cortex-M3
• Device Core Size: 32b
• Frequency (max): 72MHz
• Total Internal Ram Size: 20KB
• # I/os (max): 51
• Number Of Timers - General Purpose: 7
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 2V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: LQFP
• 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: 497-8922

Package characteristics
6.2
6.2.1
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Thermal characteristics
The maximum chip junction temperature (T
Table 9: General operating conditions on page
The maximum chip-junction temperature, T
using the following equation:
Where:
●
●
●
●
P
taking into account the actual V
application.
Table 60.
Reference document
JESD51-2 Integrated Circuits Thermal Test Method Environment Conditions - Natural
Convection (Still Air). Available from www.jedec.org.
Symbol
I/O


JA
JA
max represents the maximum power dissipation on output pins where:
T

P
P
internal power.
P
A
D
INT
I/O
JA
max is the maximum ambient temperature in C,
max is the sum of P
is the package junction-to-ambient thermal resistance, in C/W,
max = (V
Thermal resistance junction-ambient
LQFP100 - 14 × 14 mm / 0.5 mm pitch
Thermal resistance junction-ambient
LQFP64 - 10 × 10 mm / 0.5 mm pitch
Thermal resistance junction-ambient
LFBGA100 - 10 × 10 mm / 0.8 mm pitch
Thermal resistance junction-ambient
LQFP100 - 14 × 14 mm / 0.5 mm pitch
Thermal resistance junction-ambient
LQFP64 - 10 × 10 mm / 0.5 mm pitch
max is the product of I
Package thermal characteristics
OL
× I
OL
T
INT
) + ((V
J
Doc ID 15274 Rev 5
max = T
OL
max and P
DD
Parameter
/ I
and V
DD
OL
A
– V
and V
max + (P
DD
OH
I/O
J
J
, expressed in Watts. This is the maximum chip
max) must never exceed the values given in
max, in degrees Celsius, may be calculated
OH
) × I
max (P
35.
/ I
OH
D
OH
),
max × 
D
of the I/Os at low and high level in the
max = P
STM32F105xx, STM32F107xx
JA
)
INT
max + P
Value
46
45
40
46
45
I/O
max),
°C/W
°C/W
Unit