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| 型号： | AT32UC3C0512C-ALUT |
| 厂商： | Atmel |
| 文件页数： | 7/110页 |
| 文件大小： | 0K |
| 描述： | IC MCU AVR32 512K FLASH 144LQFP |
| 产品培训模块： | AVR® UC3 Introduction |
| 标准包装： | 300 |
| 系列： | AVR®32 UC3 C |
| 核心处理器： | AVR |
| 芯体尺寸： | 32-位 |
| 速度： | 66MHz |
| 连通性： | CAN，EBI/EMI，以太网，I²C，IrDA，LIN，SPI，UART/USART，USB |
| 外围设备： | 欠压检测/复位，DMA，I²S，POR，PWM，WDT |
| 输入/输出数： | 123 |
| 程序存储器容量： | 512KB（512K x 8） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 64K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 3 V ~ 5.5 V |
| 数据转换器： | A/D 16x12b，D/A 4x12b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 144-LQFP |
| 包装： | 托盘 |
| 配用： | ATSTK600-SC19-ND - STK600 LQFP SOCKET CARD AVR ATSTK600-RC36-ND - STK600 ROUTING CARD AVR |
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dsPIC30F6010A/6015
DS70150E-page 104
2011 Microchip Technology Inc.
15.11 PWM Output and Polarity Control
There are three device Configuration bits associated
with the PWM module that provide PWM output pin
control:
HPOL Configuration bit
LPOL Configuration bit
PWMPIN Configuration bit
These three bits in the FBORPOR Configuration regis-
ters”) work in conjunction with the four PWM Enable
bits (PENxH and PENxL) located in the PWMCON1
SFR. The Configuration bits and PWM Enable bits
ensure that the PWM pins are in the correct states after
a device Reset occurs. The PWMPIN configuration
fuse allows the PWM module outputs to be optionally
enabled on a device Reset. If PWMPIN = 0, the PWM
outputs will be driven to their inactive states at Reset. If
PWMPIN = 1 (default), the PWM outputs will be tri-
stated. The HPOL bit specifies the polarity for the
PWMxH outputs, whereas the LPOL bit specifies the
polarity for the PWMxL outputs.
15.11.1
OUTPUT PIN CONTROL
The PENxH and PENxL control bits in the PWMCON1
SFR enable each high PWM output pin and each low
PWM output pin, respectively. If a particular PWM out-
put pin is not enabled, it is treated as a general purpose
I/O pin.
15.12 PWM Fault Pins
There are two Fault pins (FLTA and FLTB) associated
with the PWM module. When asserted, these pins can
optionally drive each of the PWM I/O pins to a defined
state.
15.12.1
FAULT PIN ENABLE BITS
The FLTACON and FLTBCON SFRs each have 4 con-
trol bits that determine whether a particular pair of
PWM I/O pins is to be controlled by the Fault input pin.
To enable a specific PWM I/O pin pair for Fault
overrides, the corresponding bit should be set in the
FLTACON or FLTBCON register.
If all enable bits are cleared in the FLTACON or
FLTBCON registers, then the corresponding Fault input
pin has no effect on the PWM module and the pin may
be used as a general purpose interrupt or I/O pin.
15.12.2
FAULT STATES
The FLTACON and FLTBCON Special Function Regis-
ters have eight bits each that determine the state of
each PWM I/O pin when it is overridden by a Fault
input. When these bits are cleared, the PWM I/O pin is
driven to the inactive state. If the bit is set, the PWM I/
O pin will be driven to the active state. The active and
inactive states are referenced to the polarity defined for
each PWM I/O pin (HPOL and LPOL polarity control
bits).
A special case exists when a PWM module I/O pair is
in the Complementary mode and both pins are pro-
grammed to be active on a Fault condition. The
PWMxH pin always has priority in the Complementary
mode, so that both I/O pins cannot be driven active
simultaneously.
15.12.3
FAULT PIN PRIORITY
If both Fault input pins have been assigned to control a
particular PWM I/O pin, the Fault state programmed for
the Fault A input pin will take priority over the Fault B
input pin.
15.12.4
FAULT INPUT MODES
Each of the Fault input pins has two modes of
operation:
Latched Mode: When the Fault pin is driven low,
the PWM outputs will go to the states defined in
the FLTACON/FLTBCON register. The PWM out-
puts will remain in this state until the Fault pin is
driven high and the corresponding interrupt flag
has been cleared in software. When both of these
actions have occurred, the PWM outputs will
return to normal operation at the beginning of the
next PWM cycle or half-cycle boundary. If the
interrupt flag is cleared before the Fault condition
ends, the PWM module will wait until the Fault pin
is no longer asserted, to restore the outputs.
Cycle-by-Cycle Mode: When the Fault input pin
is driven low, the PWM outputs remain in the
defined Fault states for as long as the Fault pin is
held low. After the Fault pin is driven high, the
PWM outputs return to normal operation at the
beginning of the following PWM cycle or
half-cycle boundary.
The Operating mode for each Fault input pin is selected
using the FLTAM and FLTBM control bits in the
FLTACON and FLTBCON Special Function Registers.
Each of the Fault pins can be controlled manually in
software.
Note:
The Fault pin logic can operate indepen-
dent of the PWM logic. If all the enable bits
in the FLTACON/FLTBCON register are
cleared, then the Fault pin(s) could be
used as general purpose interrupt pin(s).
Each Fault pin has an interrupt vector,
Interrupt Flag bit and Interrupt Priority bits
associated with it.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT32UC3C0512C-ALZES | 制造商:Atmel Corporation 功能描述: |
| AT32UC3C0512C-ALZR | 功能描述:32位微控制器 - MCU 512KB FL,-40/125oC AUTO RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
| AT32UC3C0512C-ALZT | 功能描述:32位微控制器 - MCU 512KB FL,-40/125oC AUTO RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
| AT32UC3C0512CAU-ALUT | 功能描述:32位微控制器 - MCU 512KB Flash Audio Industrial RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
| AT32UC3C064C-ALUR | 功能描述:32位微控制器 - MCU UC3C 64K FLASH 16K SRAM RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT |
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