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参数资料
| 型号： | STR711FRH3TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 66 MHz, RISC MICROCONTROLLER, PBGA64 |
| 封装： | 8 X 8 MM, 1.70 MM HEIGHT, LFBGA-64 |
| 文件页数： | 67/78页 |
| 文件大小： | 2018K |
| 代理商： | STR711FRH3TR |
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STR71xF
System architecture
7/78
Flexible power management
To minimize power consumption, you can program the STR71x to switch to SLOW, WAIT,
LPWAIT (low power wait), STOP or STANDBY mode depending on the current system
activity in the application.
Flexible clock control
Two external clock sources can be used, a main clock and a 32 kHz backup clock. The
embedded PLL allows the internal system clock (up to 66 MHz) to be generated from a main
clock frequency of 16 MHz or less. The PLL output frequency can be programmed using a
wide selection of multipliers and dividers. The microcontroller core, APB1 and APB2
peripherals are in separate clock domains and can be programmed to run at different
frequencies during application runtime. The clock to each peripheral is gated with an
individual control bit to optimize power usage by turning off peripherals any time they are not
required.
Voltage regulators
The STR71x requires an external 3.0-3.6V power supply. There are two internal Voltage
Regulators for generating the 1.8V power supply for the core and peripherals. The main VR
is switched off during low power operation.
Low voltage detectors
Both the Main Voltage Regulator and the Low Power Voltage Regulator contain each a low
voltage detection circuitry which keep the device under reset when the corresponding
controlled voltage value (V18 or V18BKP) falls below 1.35V (+/- 10%). This enhances the
security of the system by preventing the MCU from going into an unpredictable state.
An external reset circuit must be used to provide the RESET at V33 power-up. It is not
sufficient to rely on the RESET generated by the LVD in this case. This is because LVD
operation is guaranteed only when V33 is within the specification.
3.1
On-chip peripherals
CAN interface (STR710 and STR712)
The CAN module is compliant with the CAN specification V2.0 part B (active). The bit rate
can be programmed up to 1 MBaud.
USB interface (STR710 and STR711)
The full-speed USB interface is USB V2.0 compliant and provides up to 16 bidirectional/32
unidirectional endpoints, up to 12 Mb/s (full-speed), support for bulk transfer, isochronous
transfers and USB Suspend/Resume functions.
Standard timers
Each of the four timers have a 16-bit free-running counter with 7-bit prescaler
Three timers each provide up to two input capture/output compare functions, a pulse
counter function, and a PWM channel with selectable frequency.
The fourth timer is not connected to the I/O ports. It can be used by the application software
for general timing functions.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STR711FRRDIE1 | 制造商:STMicroelectronics 功能描述:ARM 7 WAFER - Gel-pak, waffle pack, wafer, diced wafer on film |
| STR711-SK | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:IAR’s complete, low cost starter kits for STR7 and STR9 |
| STR711-SK/IAR | 功能描述:开发板和工具包 - ARM Starter Kit for STR711 Series RoHS:否 制造商:Arduino 产品:Development Boards 工具用于评估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口类型:DAC, ICSP, JTAG, UART, USB 工作电源电压:3.3 V |
| STR711-SKIAR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:IAR’s complete, low cost starter kits for STR7 and STR9 |
| STR712FR0 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:ARM7TDMI⑩ 32-bit MCU with Flash, USB, CAN 5 timers, ADC, 10 communications interfaces |
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