- 您现在的位置：买卖IC网 > PDF目录69400 > STR910FAM42X6T (STMICROELECTRONICS) 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, QFP80 PDF资料下载
参数资料
| 型号： | STR910FAM42X6T |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, QFP80 |
| 封装： | LQFP-80 |
| 文件页数： | 17/100页 |
| 文件大小： | 1801K |
| 代理商： | STR910FAM42X6T |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页当前第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页第89页第90页第91页第92页第93页第94页第95页第96页第97页第98页第99页第100页
STR91xFAxxx
Functional overview
23/103
3.11
Flexible power management
The STR91xFA offers configurable and flexible power management control that allows the
user to choose the best power option to fit the application. Power consumption can be
dynamically managed by firmware and hardware to match the system’s requirements.
Power management is provided via clock control to the CPU and individual peripherals.
Clocks to the CPU and peripherals can be individually divided and gated off as needed. In
addition to individual clock divisors, the CCU master clock source going to the CPU, AHB,
APB, EMI, and FMI can be divided dynamically by as much as 1024 for low power operation.
Additionally, the CCU may switch its input to the 32.768 kHz RTC clock at any time for low
power.
The STR91xFA supports the following three global power control modes:
●
Run Mode: All clocks are on with option to gate individual clocks off via clock mask
registers.
●
Idle Mode: CPU and FMI clocks are off until an interrupt, reset, or wake-up occurs.
Pre-configured clock mask registers selectively allow individual peripheral clocks to
continue run during Idle Mode.
●
Sleep Mode: All clocks off except RTC clock. Wake up unit remains powered, PLL is
forced off.
A special mode is used when JTAG debug is active which never gates off any clocks even if
the CPU enters Idle or Sleep mode.
3.11.1
Run mode
This is the default mode after any reset occurs. Firmware can gate off or scale any individual
clock. Also available is a special Interrupt Mode which allows the CPU to automatically run
full speed during an interrupt service and return back to the selected CPU clock divisor rate
when the interrupt has been serviced. The advantage here is that the CPU can run at a very
low frequency to conserve power until a periodic wake-up event or an asynchronous
interrupt occurs at which time the CPU runs full speed immediately.
3.11.2
Idle mode
In this mode the CPU suspends code execution and the CPU and FMI clocks are turned off
immediately after firmware sets the Idle Bit. Various peripherals continue to run based on
the settings of the mask registers that exist just prior to entering Idle Mode. There are 3
ways to exit Idle Mode and return to Run Mode:
●
Any reset (external reset pin, watchdog, low-voltage, power-up, JTAG debug command)
●
Any interrupt (external, internal peripheral, RTC alarm or interval)
●
Input from wake-up unit on GPIO pins
Note:
It is possible to remain in Idle Mode for the majority of the time and the RTC can be
programmed to periodically wake up to perform a brief task or check status.
3.11.3
Sleep mode
In this mode all clock circuits except the RTC are turned off and main oscillator input pins
X1_CPU and X2_CPU are disabled. The RTC clock is required for the CPU to exit Sleep
相关PDF资料 |
PDF描述 |
|---|---|
| STR911FAZ34H6T | 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, BGA144 |
| STR911FAM34X6T | 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, QFP80 |
| STR911FAW32X6T | 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, QFP128 |
| STR912FAW44X6T | 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, PQFP128 |
| STR912FAZ42H6T | 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, PBGA144 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| STR910FAM44H6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:ARM966E-S⑩ 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA |
| STR910FAM44X6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:ARM966E-S⑩ 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA |
| STR910FAW32 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:ARM966E-S⑩ 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA |
| STR910FAW32H6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:ARM966E-S⑩ 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA |
| STR910FAW32X6 | 功能描述:ARM微控制器 - MCU 256 + 32 64 RAM KB CAN EMI 80 I/O RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT |
发布紧急采购，3分钟左右您将得到回复。