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TMS320F28032PAGQ 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
微控制器
封装:
TQFP-64
描述:
Piccolo微处理器 Piccolo Microcontrollers
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3D模型
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引脚图在P9P78Hot
典型应用电路图在P48P94
原理图在P3P76P91P96P105P108P110P124P126P129
封装尺寸在P156P157P158
标记信息在P156P157P158P159
封装信息在P2P150P156P157P158P159
技术参数、封装参数在P21P22P23P24P25P26P27P28P29P30P31P32
应用领域在P1P67P123P127P144
电气规格在P27P45P64P83P92
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TMS320F28032PAGQ数据手册
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PIE
HRCAPx
SYSCLK
PLLCLK
HRCAPxENCLK
HRCAPxINTn
HRCAP Calibration Logic
EPWMxAEPWMx HRPWM
HRCAP Calibration Signal (Internal)
GPIO
Mux
HRCAPx
Module
126
TMS320F28030
,
TMS320F28031
,
TMS320F28032
TMS320F28033
,
TMS320F28034
,
TMS320F28035
SPRS584K –APRIL 2009–REVISED JUNE 2016
www.ti.com
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TMS320F28035
Detailed Description Copyright © 2009–2016, Texas Instruments Incorporated
6.9.12 High-Resolution Capture (HRCAP) Module
The High-Resolution Capture (HRCAP) module measures the difference between external pulses with a
typical resolution of 300 ps.
Uses for the HRCAP include:
• Capactive touch applications
• High-resolution period and duty cycle measurements of pulse train cycles
• Instantaneous speed measurements
• Instantaneous frequency measurements
• Voltage measurements across an isolation boundary
• Distance/sonar measurement and scanning
The HRCAP module features include:
• Pulse width capture in either non-high-resolution or high-resolution modes
• Difference (Delta) mode pulse width capture
• Typical high-resolution capture on the order of 300 ps resolution on each edge
• Interrupt on either falling or rising edge
• Continuous mode capture of pulse widths in 2-deep buffer
• Calibration logic for precision high-resolution capture
• All of the above resources are dedicated to a single input pin
• HRCAP calibration software library supplied by TI is used for both calibration and calculating fractional
pulse widths
The HRCAP module includes one capture channel in addition to a high-resolution calibration block, which
connects internally to the last available ePWMxA HRPWM channel when calibrating (that is, if there are
eight ePWMs with HRPWM capability, it will be HRPWM8A).
Each HRCAP channel has the following independent key resources:
• Dedicated input capture pin
• 16-bit HRCAP clock which is either equal to the PLL output frequency (asynchronous to SYSCLK) or
equal to the SYSCLK frequency (synchronous to SYSCLK)
• High-resolution pulse width capture in a 2-deep buffer
Figure 6-42. HRCAP Functional Block Diagram
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