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SIM3U164-B-GM 参数 Datasheet PDF下载

SIM3U164-B-GM图片预览
型号: SIM3U164-B-GM
PDF下载: 下载PDF文件 查看货源
内容描述: 高性能,低功耗, 32位Precision32â ?? ¢ [High-Performance, Low-Power, 32-Bit Precision32™]
分类和应用:
文件页数/大小: 90 页 / 805 K
品牌: SILICON [ SILICON ]
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SiM3C1xx  
4.5. Counters/Timers and PWM  
4.5.1. Programmable Counter Array (EPCA0, PCA0, PCA1)  
The SiM3C1xx devices include two types of PCA module: Enhanced and Standard.  
The Enhanced Programmable Counter Array (EPCA0) and Standard Programmable Counter Array (PCA0, PCA1)  
modules are timer/counter systems allowing for complex timing or waveform generation. Multiple modules run from  
the same main counter, allowing for synchronous output waveforms.  
The Enhanced PCA module is multi-purpose, but is optimized for motor control applications. The EPCA module  
includes the following features:  
Three sets of channel pairs (six channels total) capable of generating complementary waveforms.  
Center- and edge-aligned waveform generation.  
Programmable dead times that ensure channel pairs are never both active at the same time.  
Programmable clock divisor and multiple options for clock source selection.  
Waveform update scheduling.  
Option to function while the core is inactive.  
Multiple synchronization triggers and outputs.  
Pulse-Width Modulation (PWM) waveform generation.  
High-speed square wave generation.  
Input capture mode.  
DMA capability for both input capture and waveform generation.  
PWM generation halt input.  
The Standard PCA module (PCA) includes the following features:  
Two independent channels.  
Center- and edge-aligned waveform generation.  
Programmable clock divisor and multiple options for clock source selection.  
Pulse-Width Modulation waveform generation.  
4.5.2. 32-bit Timer (TIMER0, TIMER1)  
Each timer module is independent, and includes the following features:  
Operation as a single 32-bit or two independent 16-bit timers.  
Clocking options include the APB clock, the APB clock scaled using an 8-bit prescaler, the external  
oscillator, or falling edges on an external input pin (synchronized to the APB clock).  
Auto-reload functionality in both 32-bit and 16-bit modes.  
Up/Down count capability, controlled by an external input pin.  
Rising and falling edge capture modes.  
Low or high pulse capture modes.  
Duty cycle capture mode.  
Square wave output mode, which is capable of toggling an external pin at a given rate with 50% duty cycle.  
32- or 16-bit pulse-width modulation mode.  
40  
Preliminary Rev. 0.8