STM32F105R8T6 STMicroelectronics, STM32F105R8T6 Datasheet - Page 60

• 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

Electrical characteristics
5.3.14
60/101
Figure 23. Recommended NRST pin protection
2. The reset network protects the device against parasitic resets.
3. The user must ensure that the level on the NRST pin can go below the V
TIM timer characteristics
The parameters given in
Refer to
function characteristics (output compare, input capture, external clock, PWM output).
Table 39.
1. TIMx is used as a general term to refer to the TIM1, TIM2, TIM3, TIM4 and TIM5 timers.
t
MAX_COUNT
t
COUNTER
Symbol
Table
t
Res
res(TIM)
f
EXT
External
reset circuit
TIM
38. Otherwise the reset will not be taken into account by the device.
Section 5.3.12: I/O port characteristics
TIMx
Timer resolution time
Timer external clock
frequency on CH1 to CH4
Timer resolution
16-bit counter clock period
when internal clock is
selected
Maximum possible count
(1)
0.1 µF
(1)
characteristics
Parameter
NRST
Table 39
(2)
Doc ID 15274 Rev 5
V DD
are guaranteed by design.
R PU
f
TIMxCLK
f
f
f
TIMxCLK
TIMxCLK
TIMxCLK
Conditions
= 72 MHz
= 72 MHz
= 72 MHz 0.0139
= 72 MHz
for details on the input/output alternate
Filter
13.9
Min
1
0
0
1
STM32F105xx, STM32F107xx
STM32F10x
IL(NRST)
Internal reset
65536 × 65536
max level specified in
f
TIMxCLK
65536
Max
59.6
910
36
16
/2
ai14132d
t
t
t
TIMxCLK
TIMxCLK
TIMxCLK
MHz
MHz
Unit
ns
bit
µs
s