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TMS320F28232PTPQ 参数 Datasheet PDF下载

TMS320F28232PTPQ图片预览
型号: TMS320F28232PTPQ
PDF下载: 下载PDF文件 查看货源
内容描述: 数字信号控制器(DSC ) [Digital Signal Controllers (DSCs)]
分类和应用: 微控制器和处理器外围集成电路数字信号处理器装置时钟
文件页数/大小: 199 页 / 2655 K
品牌: TI [ TEXAS INSTRUMENTS ]
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TMS320F28335, TMS320F28334, TMS320F28332  
TMS320F28235, TMS320F28234, TMS320F28232  
SPRS439M JUNE 2007REVISED AUGUST 2012  
www.ti.com  
6.10.3 High-Resolution PWM Timing  
Table 6-23 shows the high-resolution PWM switching characteristics.  
Table 6-23. High-Resolution PWM Characteristics at SYSCLKOUT = (60–150 MHz)  
MIN  
TYP  
MAX UNIT  
310 ps  
Micro Edge Positioning (MEP) step size(1)  
150  
(1) Maximum MEP step size is based on worst-case process, maximum temperature and maximum voltage. MEP step size will increase  
with low voltage and high temperature and decrease with voltage and cold temperature.  
Applications that use the HRPWM feature should use MEP Scale Factor Optimizer (SFO) estimation software functions. See the TI  
software libraries for details of using SFO function in end applications. SFO functions help to estimate the number of MEP steps per  
SYSCLKOUT period dynamically while the HRPWM is in operation.  
6.10.4 Enhanced Capture (eCAP) Timing  
Table 6-24 shows the eCAP timing requirement and Table 6-25 shows the eCAP switching characteristics.  
Table 6-24. Enhanced Capture (eCAP) Timing Requirement(1)  
TEST CONDITIONS  
Asynchronous  
MIN  
2tc(SCO)  
MAX UNIT  
cycles  
tw(CAP)  
Capture input pulse width  
Synchronous  
2tc(SCO)  
cycles  
With input qualifier  
1tc(SCO) + tw(IQSW)  
cycles  
(1) For an explanation of the input qualifier parameters, see Table 6-13.  
Table 6-25. eCAP Switching Characteristics  
PARAMETER  
TEST CONDITIONS  
MIN  
MAX  
UNIT  
tw(APWM)  
Pulse duration, APWMx output high/low  
20  
ns  
140  
Electrical Specifications  
Copyright © 2007–2012, Texas Instruments Incorporated  
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Product Folder Link(s): TMS320F28335 TMS320F28334 TMS320F28332 TMS320F28235 TMS320F28234  
TMS320F28232