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参数资料
| 型号： | STM32F103T6U7TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 72 MHz, RISC MICROCONTROLLER, QCC36 |
| 封装： | 6 X 6 MM, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-36 |
| 文件页数： | 8/80页 |
| 文件大小： | 1067K |
| 代理商： | STM32F103T6U7TR |
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Description
STM32F103x4, STM32F103x6
Doc ID 15060 Rev 3
2.3.13
DMA
The flexible 7-channel general-purpose DMA is able to manage memory-to-memory,
peripheral-to-memory and memory-to-peripheral transfers. The DMA controller supports
circular buffer management avoiding the generation of interrupts when the controller
reaches the end of the buffer.
Each channel is connected to dedicated hardware DMA requests, with support for software
trigger on each channel. Configuration is made by software and transfer sizes between
source and destination are independent.
The DMA can be used with the main peripherals: SPI, I2C, USART, general-purpose and
advanced-control timers TIMx and ADC.
2.3.14
RTC (real-time clock) and backup registers
The RTC and the backup registers are supplied through a switch that takes power either on
VDD supply when present or through the VBAT pin. The backup registers are ten 16-bit
registers used to store 20 bytes of user application data when VDD power is not present.
The real-time clock provides a set of continuously running counters which can be used with
suitable software to provide a clock calendar function, and provides an alarm interrupt and a
periodic interrupt. It is clocked by a 32.768 kHz external crystal, resonator or oscillator, the
internal low-power RC oscillator or the high-speed external clock divided by 128. The
internal low-power RC has a typical frequency of 40 kHz. The RTC can be calibrated using
an external 512 Hz output to compensate for any natural crystal deviation. The RTC features
a 32-bit programmable counter for long-term measurement using the Compare register to
generate an alarm. A 20-bit prescaler is used for the time base clock and is by default
configured to generate a time base of 1 second from a clock at 32.768 kHz.
2.3.15
Timers and watchdogs
The low-density STM32F101xx performance line devices include an advanced-control timer,
two general-purpose timers, two watchdog timers and a SysTick timer.
Table 4 compares the features of the advanced-control and general-purpose timers.
Table 4.
Timer feature comparison
Timer
Counter
resolution
Counter
type
Prescaler
factor
DMA request
generation
Capture/compare
channels
Complementary
outputs
TIM1
16-bit
Up,
down,
up/down
Any integer
between 1
and 65536
Yes
4
Yes
TIM2,
TIM3
16-bit
Up,
down,
up/down
Any integer
between 1
and 65536
Yes
4
No
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STM32F103T6U7XXX | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Low-density performance line, ARM-based 32-bit MCU with 16 or 32 KB Flash, USB, CAN, 6 timers, 2 ADCs, 6 communication interfaces |
| STM32F103T8 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 communication interfaces |
| STM32F103T8H6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 communication interfaces |
| STM32F103T8H6XXX | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 communication interfaces |
| STM32F103T8H7TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Medium-density performance line ARM-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 communication interfaces |
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