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参数资料
| 型号： | STR912FAW44X6T |
| 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, PQFP128 |
| 封装： | 14 X 14 MM, 0.40 MM PITCH, ROHS COMPLIANT, PLASTIC, LQFP-128 |
| 文件页数： | 30/100页 |
| 文件大小： | 1801K |
| 代理商： | STR912FAW44X6T |
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STR91xFAxxx
Functional overview
35/103
3.24
A/D converter (ADC) with DMA
The STR91xFA provides an eight-channel, 10-bit successive approximation analog-to-
digital converter. The ADC input pins are multiplexed with other functions on Port 4 as
shown in Table 8. Following are the major ADC features:
●
Fast conversion time, as low as 0.7 usec
●
Accuracy. Integral and differential non-linearity are typically within 4 conversion counts.
●
0 to 3.6V input range. External reference voltage input pin (AVREF) available on 128-
pin packages for better accuracy on low-voltage inputs. See Table 11: Operating
conditions, for restrictions to the relative voltage levels of VDDQ, AVDD, AVREF, and
AVREF_AVDD.
●
CPU Firmware may convert one ADC input channel at a time, or it has the option to set
the ADC to automatically scan and convert all eight ADC input channels sequentially
before signalling an end-of-conversion
●
Automatic continuous conversion mode is available for any number of designated ADC
input channels
●
Analog watchdog mode provides automatic monitoring of any ADC input, comparing it
against two programmable voltage threshold values. The ADC unit will set a flag or it
will interrupt the CPU if the input voltage rises above the higher threshold, or drops
below the lower threshold.
●
The ADC unit goes to stand-by mode (very low-current consumption) after any reset
event. CPU firmware may also command the ADC unit to stand-by mode at any time.
●
ADC conversion can be started or triggered by software command as well as triggers
from Timer/Counter (TIM), Motor Controller and input from external pin.
3.24.1
DMA
A programmable DMA channel may be assigned by CPU firmware to service each ADC
conversion result for fast DMA single-transfer.
3.25
Standard timers (TIM) with DMA
The STR91xFA has four independent, free-running 16-bit timer/counter modules designated
TIM0, TIM1, TIM2, and TIM3. Each general purpose timer/counter can be configured by
firmware for a variety of tasks including; pulse width and frequency measurement (input
capture), generation of waveforms (output compare and PWM), event counting, delay
timing, and up/down counting.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STR912FAW46 | 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 |
| STR912FAW46X6 | 功能描述:ARM微控制器 - MCU ARM966E-S 16 Bit MCU 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 |
| STR912FAW46X6T | 功能描述:ARM微控制器 - MCU ARM966 MCU 16/32-bit Ethernet 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 |
| STR912FAW47 | 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 |
| STR912FAW47X6 | 功能描述:ARM微控制器 - MCU ARM966E-S 16 Bit MCU 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 |
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